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Message-ID: <CAHp75VdDWceNMje2hdgD7KiOBw+MeMsfYLKjV+Jjn-PNMy2w3g@mail.gmail.com>
Date: Wed, 12 Jun 2019 23:19:47 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Cc: Linux Doc Mailing List <linux-doc@...r.kernel.org>,
Mauro Carvalho Chehab <mchehab@...radead.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Jonathan Corbet <corbet@....net>,
Mattia Dongili <malattia@...ux.it>,
Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Darren Hart <dvhart@...radead.org>,
Andy Shevchenko <andy@...radead.org>,
Platform Driver <platform-driver-x86@...r.kernel.org>
Subject: Re: [PATCH v1 23/31] docs: laptops: convert to ReST
On Wed, Jun 12, 2019 at 9:38 PM Mauro Carvalho Chehab
<mchehab+samsung@...nel.org> wrote:
>
> Rename the laptops documentation files to ReST, add an
> index for them and adjust in order to produce a nice html
> output via the Sphinx build system.
>
> At its new index.rst, let's add a :orphan: while this is not linked to
> the main index.rst file, in order to avoid build warnings.
>
Thanks!
Acked-by: Andy Shevchenko <andy.shevchenko@...il.com>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
> ---
> Documentation/ABI/testing/sysfs-block-device | 2 +-
> .../ABI/testing/sysfs-platform-asus-laptop | 2 +-
> .../admin-guide/kernel-parameters.txt | 2 +-
> .../{asus-laptop.txt => asus-laptop.rst} | 92 ++--
> ...otection.txt => disk-shock-protection.rst} | 32 +-
> Documentation/laptops/index.rst | 17 +
> .../{laptop-mode.txt => laptop-mode.rst} | 509 +++++++++---------
> .../{sony-laptop.txt => sony-laptop.rst} | 58 +-
> .../laptops/{sonypi.txt => sonypi.rst} | 28 +-
> .../{thinkpad-acpi.txt => thinkpad-acpi.rst} | 363 ++++++++-----
> .../{toshiba_haps.txt => toshiba_haps.rst} | 47 +-
> Documentation/sysctl/vm.txt | 4 +-
> MAINTAINERS | 2 +-
> drivers/char/Kconfig | 2 +-
> drivers/platform/x86/Kconfig | 4 +-
> 15 files changed, 660 insertions(+), 504 deletions(-)
> rename Documentation/laptops/{asus-laptop.txt => asus-laptop.rst} (84%)
> rename Documentation/laptops/{disk-shock-protection.txt => disk-shock-protection.rst} (91%)
> create mode 100644 Documentation/laptops/index.rst
> rename Documentation/laptops/{laptop-mode.txt => laptop-mode.rst} (62%)
> rename Documentation/laptops/{sony-laptop.txt => sony-laptop.rst} (85%)
> rename Documentation/laptops/{sonypi.txt => sonypi.rst} (87%)
> rename Documentation/laptops/{thinkpad-acpi.txt => thinkpad-acpi.rst} (89%)
> rename Documentation/laptops/{toshiba_haps.txt => toshiba_haps.rst} (60%)
>
> diff --git a/Documentation/ABI/testing/sysfs-block-device b/Documentation/ABI/testing/sysfs-block-device
> index 82ef6eab042d..0d57bbb4fddc 100644
> --- a/Documentation/ABI/testing/sysfs-block-device
> +++ b/Documentation/ABI/testing/sysfs-block-device
> @@ -45,7 +45,7 @@ Description:
> - Values below -2 are rejected with -EINVAL
>
> For more information, see
> - Documentation/laptops/disk-shock-protection.txt
> + Documentation/laptops/disk-shock-protection.rst
>
>
> What: /sys/block/*/device/ncq_prio_enable
> diff --git a/Documentation/ABI/testing/sysfs-platform-asus-laptop b/Documentation/ABI/testing/sysfs-platform-asus-laptop
> index cd9d667c3da2..d67fa4bafa70 100644
> --- a/Documentation/ABI/testing/sysfs-platform-asus-laptop
> +++ b/Documentation/ABI/testing/sysfs-platform-asus-laptop
> @@ -31,7 +31,7 @@ Description:
> To control the LED display, use the following :
> echo 0x0T000DDD > /sys/devices/platform/asus_laptop/
> where T control the 3 letters display, and DDD the 3 digits display.
> - The DDD table can be found in Documentation/laptops/asus-laptop.txt
> + The DDD table can be found in Documentation/laptops/asus-laptop.rst
>
> What: /sys/devices/platform/asus_laptop/bluetooth
> Date: January 2007
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 3faf37b8b001..7abe677f8c5e 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -4356,7 +4356,7 @@
> Format: <integer>
>
> sonypi.*= [HW] Sony Programmable I/O Control Device driver
> - See Documentation/laptops/sonypi.txt
> + See Documentation/laptops/sonypi.rst
>
> spectre_v2= [X86] Control mitigation of Spectre variant 2
> (indirect branch speculation) vulnerability.
> diff --git a/Documentation/laptops/asus-laptop.txt b/Documentation/laptops/asus-laptop.rst
> similarity index 84%
> rename from Documentation/laptops/asus-laptop.txt
> rename to Documentation/laptops/asus-laptop.rst
> index 5f2858712aa0..95176321a25a 100644
> --- a/Documentation/laptops/asus-laptop.txt
> +++ b/Documentation/laptops/asus-laptop.rst
> @@ -1,6 +1,9 @@
> +==================
> Asus Laptop Extras
> +==================
>
> Version 0.1
> +
> August 6, 2009
>
> Corentin Chary <corentincj@...aif.net>
> @@ -10,11 +13,12 @@ http://acpi4asus.sf.net/
> It may also support some MEDION, JVC or VICTOR laptops (such as MEDION 9675 or
> VICTOR XP7210 for example). It makes all the extra buttons generate input
> events (like keyboards).
> +
> On some models adds support for changing the display brightness and output,
> switching the LCD backlight on and off, and most importantly, allows you to
> blink those fancy LEDs intended for reporting mail and wireless status.
>
> -This driver supercedes the old asus_acpi driver.
> +This driver supersedes the old asus_acpi driver.
>
> Requirements
> ------------
> @@ -49,7 +53,7 @@ Usage
> see some lines like this :
>
> Asus Laptop Extras version 0.42
> - L2D model detected.
> + - L2D model detected.
>
> If it is not the output you have on your laptop, send it (and the laptop's
> DSDT) to me.
> @@ -68,9 +72,12 @@ Usage
> LEDs
> ----
>
> - You can modify LEDs be echoing values to /sys/class/leds/asus::*/brightness :
> + You can modify LEDs be echoing values to `/sys/class/leds/asus/*/brightness`::
> +
> echo 1 > /sys/class/leds/asus::mail/brightness
> +
> will switch the mail LED on.
> +
> You can also know if they are on/off by reading their content and use
> kernel triggers like disk-activity or heartbeat.
>
> @@ -81,7 +88,7 @@ Backlight
> /sys/class/backlight/asus-laptop/. Brightness Values are between 0 and 15.
>
> Wireless devices
> ----------------
> +----------------
>
> You can turn the internal Bluetooth adapter on/off with the bluetooth entry
> (only on models with Bluetooth). This usually controls the associated LED.
> @@ -93,18 +100,20 @@ Display switching
> Note: the display switching code is currently considered EXPERIMENTAL.
>
> Switching works for the following models:
> - L3800C
> - A2500H
> - L5800C
> - M5200N
> - W1000N (albeit with some glitches)
> - M6700R
> - A6JC
> - F3J
> +
> + - L3800C
> + - A2500H
> + - L5800C
> + - M5200N
> + - W1000N (albeit with some glitches)
> + - M6700R
> + - A6JC
> + - F3J
>
> Switching doesn't work for the following:
> - M3700N
> - L2X00D (locks the laptop under certain conditions)
> +
> + - M3700N
> + - L2X00D (locks the laptop under certain conditions)
>
> To switch the displays, echo values from 0 to 15 to
> /sys/devices/platform/asus-laptop/display. The significance of those values
> @@ -113,48 +122,51 @@ Display switching
> +-------+-----+-----+-----+-----+-----+
> | Bin | Val | DVI | TV | CRT | LCD |
> +-------+-----+-----+-----+-----+-----+
> - + 0000 + 0 + + + + +
> + | 0000 | 0 | | | | |
> +-------+-----+-----+-----+-----+-----+
> - + 0001 + 1 + + + + X +
> + | 0001 | 1 | | | | X |
> +-------+-----+-----+-----+-----+-----+
> - + 0010 + 2 + + + X + +
> + | 0010 | 2 | | | X | |
> +-------+-----+-----+-----+-----+-----+
> - + 0011 + 3 + + + X + X +
> + | 0011 | 3 | | | X | X |
> +-------+-----+-----+-----+-----+-----+
> - + 0100 + 4 + + X + + +
> + | 0100 | 4 | | X | | |
> +-------+-----+-----+-----+-----+-----+
> - + 0101 + 5 + + X + + X +
> + | 0101 | 5 | | X | | X |
> +-------+-----+-----+-----+-----+-----+
> - + 0110 + 6 + + X + X + +
> + | 0110 | 6 | | X | X | |
> +-------+-----+-----+-----+-----+-----+
> - + 0111 + 7 + + X + X + X +
> + | 0111 | 7 | | X | X | X |
> +-------+-----+-----+-----+-----+-----+
> - + 1000 + 8 + X + + + +
> + | 1000 | 8 | X | | | |
> +-------+-----+-----+-----+-----+-----+
> - + 1001 + 9 + X + + + X +
> + | 1001 | 9 | X | | | X |
> +-------+-----+-----+-----+-----+-----+
> - + 1010 + 10 + X + + X + +
> + | 1010 | 10 | X | | X | |
> +-------+-----+-----+-----+-----+-----+
> - + 1011 + 11 + X + + X + X +
> + | 1011 | 11 | X | | X | X |
> +-------+-----+-----+-----+-----+-----+
> - + 1100 + 12 + X + X + + +
> + | 1100 | 12 | X | X | | |
> +-------+-----+-----+-----+-----+-----+
> - + 1101 + 13 + X + X + + X +
> + | 1101 | 13 | X | X | | X |
> +-------+-----+-----+-----+-----+-----+
> - + 1110 + 14 + X + X + X + +
> + | 1110 | 14 | X | X | X | |
> +-------+-----+-----+-----+-----+-----+
> - + 1111 + 15 + X + X + X + X +
> + | 1111 | 15 | X | X | X | X |
> +-------+-----+-----+-----+-----+-----+
>
> In most cases, the appropriate displays must be plugged in for the above
> combinations to work. TV-Out may need to be initialized at boot time.
>
> Debugging:
> +
> 1) Check whether the Fn+F8 key:
> +
> a) does not lock the laptop (try a boot with noapic / nolapic if it does)
> b) generates events (0x6n, where n is the value corresponding to the
> configuration above)
> c) actually works
> +
> Record the disp value at every configuration.
> 2) Echo values from 0 to 15 to /sys/devices/platform/asus-laptop/display.
> Record its value, note any change. If nothing changes, try a broader range,
> @@ -164,7 +176,7 @@ Display switching
>
> Note: on some machines (e.g. L3C), after the module has been loaded, only 0x6n
> events are generated and no actual switching occurs. In such a case, a line
> - like:
> + like::
>
> echo $((10#$arg-60)) > /sys/devices/platform/asus-laptop/display
>
> @@ -180,15 +192,16 @@ LED display
> several items of information.
>
> LED display works for the following models:
> - W1000N
> - W1J
>
> - To control the LED display, use the following :
> + - W1000N
> + - W1J
> +
> + To control the LED display, use the following::
>
> echo 0x0T000DDD > /sys/devices/platform/asus-laptop/
>
> where T control the 3 letters display, and DDD the 3 digits display,
> - according to the tables below.
> + according to the tables below::
>
> DDD (digits)
> 000 to 999 = display digits
> @@ -208,8 +221,8 @@ LED display
> For example "echo 0x01000001 >/sys/devices/platform/asus-laptop/ledd"
> would display "DVD001".
>
> -Driver options:
> ----------------
> +Driver options
> +--------------
>
> Options can be passed to the asus-laptop driver using the standard
> module argument syntax (<param>=<value> when passing the option to the
> @@ -219,6 +232,7 @@ Driver options:
> wapf: WAPF defines the behavior of the Fn+Fx wlan key
> The significance of values is yet to be found, but
> most of the time:
> +
> - 0x0 should do nothing
> - 0x1 should allow to control the device with Fn+Fx key.
> - 0x4 should send an ACPI event (0x88) while pressing the Fn+Fx key
> @@ -237,7 +251,7 @@ Unsupported models
> - ASUS L7300G
> - ASUS L8400
>
> -Patches, Errors, Questions:
> +Patches, Errors, Questions
> --------------------------
>
> I appreciate any success or failure
> @@ -253,5 +267,5 @@ Patches, Errors, Questions:
> Any other comments or patches are also more than welcome.
>
> acpi4asus-user@...ts.sourceforge.net
> +
> http://sourceforge.net/projects/acpi4asus
> -
> diff --git a/Documentation/laptops/disk-shock-protection.txt b/Documentation/laptops/disk-shock-protection.rst
> similarity index 91%
> rename from Documentation/laptops/disk-shock-protection.txt
> rename to Documentation/laptops/disk-shock-protection.rst
> index 0e6ba2663834..e97c5f78d8c3 100644
> --- a/Documentation/laptops/disk-shock-protection.txt
> +++ b/Documentation/laptops/disk-shock-protection.rst
> @@ -1,17 +1,18 @@
> +==========================
> Hard disk shock protection
> ==========================
>
> Author: Elias Oltmanns <eo@...ensachen.de>
> +
> Last modified: 2008-10-03
>
>
> -0. Contents
> ------------
> +.. 0. Contents
>
> -1. Intro
> -2. The interface
> -3. References
> -4. CREDITS
> + 1. Intro
> + 2. The interface
> + 3. References
> + 4. CREDITS
>
>
> 1. Intro
> @@ -36,8 +37,8 @@ that).
> ----------------
>
> For each ATA device, the kernel exports the file
> -block/*/device/unload_heads in sysfs (here assumed to be mounted under
> -/sys). Access to /sys/block/*/device/unload_heads is denied with
> +`block/*/device/unload_heads` in sysfs (here assumed to be mounted under
> +/sys). Access to `/sys/block/*/device/unload_heads` is denied with
> -EOPNOTSUPP if the device does not support the unload feature.
> Otherwise, writing an integer value to this file will take the heads
> of the respective drive off the platter and block all I/O operations
> @@ -54,18 +55,18 @@ cancel a previously set timeout and resume normal operation
> immediately by specifying a timeout of 0. Values below -2 are rejected
> with -EINVAL (see below for the special meaning of -1 and -2). If the
> timeout specified for a recent head park request has not yet expired,
> -reading from /sys/block/*/device/unload_heads will report the number
> +reading from `/sys/block/*/device/unload_heads` will report the number
> of milliseconds remaining until normal operation will be resumed;
> otherwise, reading the unload_heads attribute will return 0.
>
> For example, do the following in order to park the heads of drive
> -/dev/sda and stop all I/O operations for five seconds:
> +/dev/sda and stop all I/O operations for five seconds::
>
> -# echo 5000 > /sys/block/sda/device/unload_heads
> + # echo 5000 > /sys/block/sda/device/unload_heads
>
> -A simple
> +A simple::
>
> -# cat /sys/block/sda/device/unload_heads
> + # cat /sys/block/sda/device/unload_heads
>
> will show you how many milliseconds are left before normal operation
> will be resumed.
> @@ -112,9 +113,9 @@ unload_heads attribute. If you know that your device really does
> support the unload feature (for instance, because the vendor of your
> laptop or the hard drive itself told you so), then you can tell the
> kernel to enable the usage of this feature for that drive by writing
> -the special value -1 to the unload_heads attribute:
> +the special value -1 to the unload_heads attribute::
>
> -# echo -1 > /sys/block/sda/device/unload_heads
> + # echo -1 > /sys/block/sda/device/unload_heads
>
> will enable the feature for /dev/sda, and giving -2 instead of -1 will
> disable it again.
> @@ -135,6 +136,7 @@ for use. Please feel free to add projects that have been the victims
> of my ignorance.
>
> - http://www.thinkwiki.org/wiki/HDAPS
> +
> See this page for information about Linux support of the hard disk
> active protection system as implemented in IBM/Lenovo Thinkpads.
>
> diff --git a/Documentation/laptops/index.rst b/Documentation/laptops/index.rst
> new file mode 100644
> index 000000000000..001a30910d09
> --- /dev/null
> +++ b/Documentation/laptops/index.rst
> @@ -0,0 +1,17 @@
> +:orphan:
> +
> +==============
> +Laptop Drivers
> +==============
> +
> +.. toctree::
> + :maxdepth: 1
> +
> + asus-laptop
> + disk-shock-protection
> + laptop-mode
> + lg-laptop
> + sony-laptop
> + sonypi
> + thinkpad-acpi
> + toshiba_haps
> diff --git a/Documentation/laptops/laptop-mode.txt b/Documentation/laptops/laptop-mode.rst
> similarity index 62%
> rename from Documentation/laptops/laptop-mode.txt
> rename to Documentation/laptops/laptop-mode.rst
> index 1c707fc9b141..c984c4262f2e 100644
> --- a/Documentation/laptops/laptop-mode.txt
> +++ b/Documentation/laptops/laptop-mode.rst
> @@ -1,8 +1,11 @@
> +===============================================
> How to conserve battery power using laptop-mode
> ------------------------------------------------
> +===============================================
>
> Document Author: Bart Samwel (bart@...wel.tk)
> +
> Date created: January 2, 2004
> +
> Last modified: December 06, 2004
>
> Introduction
> @@ -12,17 +15,16 @@ Laptop mode is used to minimize the time that the hard disk needs to be spun up,
> to conserve battery power on laptops. It has been reported to cause significant
> power savings.
>
> -Contents
> ---------
> +.. Contents
>
> -* Introduction
> -* Installation
> -* Caveats
> -* The Details
> -* Tips & Tricks
> -* Control script
> -* ACPI integration
> -* Monitoring tool
> + * Introduction
> + * Installation
> + * Caveats
> + * The Details
> + * Tips & Tricks
> + * Control script
> + * ACPI integration
> + * Monitoring tool
>
>
> Installation
> @@ -33,7 +35,7 @@ or anything. Simply install all the files included in this document, and
> laptop mode will automatically be started when you're on battery. For
> your convenience, a tarball containing an installer can be downloaded at:
>
> -http://www.samwel.tk/laptop_mode/laptop_mode/
> + http://www.samwel.tk/laptop_mode/laptop_mode/
>
> To configure laptop mode, you need to edit the configuration file, which is
> located in /etc/default/laptop-mode on Debian-based systems, or in
> @@ -209,7 +211,7 @@ Tips & Tricks
> this on powerbooks too. I hope that this is a piece of information that
> might be useful to the Laptop Mode patch or its users."
>
> -* In syslog.conf, you can prefix entries with a dash ``-'' to omit syncing the
> +* In syslog.conf, you can prefix entries with a dash `-` to omit syncing the
> file after every logging. When you're using laptop-mode and your disk doesn't
> spin down, this is a likely culprit.
>
> @@ -233,83 +235,82 @@ configuration file
> It should be installed as /etc/default/laptop-mode on Debian, and as
> /etc/sysconfig/laptop-mode on Red Hat, SUSE, Mandrake, and other work-alikes.
>
> ---------------------CONFIG FILE BEGIN-------------------------------------------
> -# Maximum time, in seconds, of hard drive spindown time that you are
> -# comfortable with. Worst case, it's possible that you could lose this
> -# amount of work if your battery fails you while in laptop mode.
> -#MAX_AGE=600
> +Config file::
>
> -# Automatically disable laptop mode when the number of minutes of battery
> -# that you have left goes below this threshold.
> -MINIMUM_BATTERY_MINUTES=10
> + # Maximum time, in seconds, of hard drive spindown time that you are
> + # comfortable with. Worst case, it's possible that you could lose this
> + # amount of work if your battery fails you while in laptop mode.
> + #MAX_AGE=600
>
> -# Read-ahead, in 512-byte sectors. You can spin down the disk while playing MP3/OGG
> -# by setting the disk readahead to 8MB (READAHEAD=16384). Effectively, the disk
> -# will read a complete MP3 at once, and will then spin down while the MP3/OGG is
> -# playing.
> -#READAHEAD=4096
> + # Automatically disable laptop mode when the number of minutes of battery
> + # that you have left goes below this threshold.
> + MINIMUM_BATTERY_MINUTES=10
>
> -# Shall we remount journaled fs. with appropriate commit interval? (1=yes)
> -#DO_REMOUNTS=1
> + # Read-ahead, in 512-byte sectors. You can spin down the disk while playing MP3/OGG
> + # by setting the disk readahead to 8MB (READAHEAD=16384). Effectively, the disk
> + # will read a complete MP3 at once, and will then spin down while the MP3/OGG is
> + # playing.
> + #READAHEAD=4096
>
> -# And shall we add the "noatime" option to that as well? (1=yes)
> -#DO_REMOUNT_NOATIME=1
> + # Shall we remount journaled fs. with appropriate commit interval? (1=yes)
> + #DO_REMOUNTS=1
>
> -# Dirty synchronous ratio. At this percentage of dirty pages the process
> -# which
> -# calls write() does its own writeback
> -#DIRTY_RATIO=40
> + # And shall we add the "noatime" option to that as well? (1=yes)
> + #DO_REMOUNT_NOATIME=1
>
> -#
> -# Allowed dirty background ratio, in percent. Once DIRTY_RATIO has been
> -# exceeded, the kernel will wake flusher threads which will then reduce the
> -# amount of dirty memory to dirty_background_ratio. Set this nice and low,
> -# so once some writeout has commenced, we do a lot of it.
> -#
> -#DIRTY_BACKGROUND_RATIO=5
> + # Dirty synchronous ratio. At this percentage of dirty pages the process
> + # which
> + # calls write() does its own writeback
> + #DIRTY_RATIO=40
>
> -# kernel default dirty buffer age
> -#DEF_AGE=30
> -#DEF_UPDATE=5
> -#DEF_DIRTY_BACKGROUND_RATIO=10
> -#DEF_DIRTY_RATIO=40
> -#DEF_XFS_AGE_BUFFER=15
> -#DEF_XFS_SYNC_INTERVAL=30
> -#DEF_XFS_BUFD_INTERVAL=1
> + #
> + # Allowed dirty background ratio, in percent. Once DIRTY_RATIO has been
> + # exceeded, the kernel will wake flusher threads which will then reduce the
> + # amount of dirty memory to dirty_background_ratio. Set this nice and low,
> + # so once some writeout has commenced, we do a lot of it.
> + #
> + #DIRTY_BACKGROUND_RATIO=5
>
> -# This must be adjusted manually to the value of HZ in the running kernel
> -# on 2.4, until the XFS people change their 2.4 external interfaces to work in
> -# centisecs. This can be automated, but it's a work in progress that still
> -# needs# some fixes. On 2.6 kernels, XFS uses USER_HZ instead of HZ for
> -# external interfaces, and that is currently always set to 100. So you don't
> -# need to change this on 2.6.
> -#XFS_HZ=100
> + # kernel default dirty buffer age
> + #DEF_AGE=30
> + #DEF_UPDATE=5
> + #DEF_DIRTY_BACKGROUND_RATIO=10
> + #DEF_DIRTY_RATIO=40
> + #DEF_XFS_AGE_BUFFER=15
> + #DEF_XFS_SYNC_INTERVAL=30
> + #DEF_XFS_BUFD_INTERVAL=1
>
> -# Should the maximum CPU frequency be adjusted down while on battery?
> -# Requires CPUFreq to be setup.
> -# See Documentation/admin-guide/pm/cpufreq.rst for more info
> -#DO_CPU=0
> + # This must be adjusted manually to the value of HZ in the running kernel
> + # on 2.4, until the XFS people change their 2.4 external interfaces to work in
> + # centisecs. This can be automated, but it's a work in progress that still
> + # needs# some fixes. On 2.6 kernels, XFS uses USER_HZ instead of HZ for
> + # external interfaces, and that is currently always set to 100. So you don't
> + # need to change this on 2.6.
> + #XFS_HZ=100
>
> -# When on battery what is the maximum CPU speed that the system should
> -# use? Legal values are "slowest" for the slowest speed that your
> -# CPU is able to operate at, or a value listed in:
> -# /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
> -# Only applicable if DO_CPU=1.
> -#CPU_MAXFREQ=slowest
> + # Should the maximum CPU frequency be adjusted down while on battery?
> + # Requires CPUFreq to be setup.
> + # See Documentation/admin-guide/pm/cpufreq.rst for more info
> + #DO_CPU=0
>
> -# Idle timeout for your hard drive (man hdparm for valid values, -S option)
> -# Default is 2 hours on AC (AC_HD=244) and 20 seconds for battery (BATT_HD=4).
> -#AC_HD=244
> -#BATT_HD=4
> + # When on battery what is the maximum CPU speed that the system should
> + # use? Legal values are "slowest" for the slowest speed that your
> + # CPU is able to operate at, or a value listed in:
> + # /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
> + # Only applicable if DO_CPU=1.
> + #CPU_MAXFREQ=slowest
>
> -# The drives for which to adjust the idle timeout. Separate them by a space,
> -# e.g. HD="/dev/hda /dev/hdb".
> -#HD="/dev/hda"
> + # Idle timeout for your hard drive (man hdparm for valid values, -S option)
> + # Default is 2 hours on AC (AC_HD=244) and 20 seconds for battery (BATT_HD=4).
> + #AC_HD=244
> + #BATT_HD=4
>
> -# Set the spindown timeout on a hard drive?
> -#DO_HD=1
> + # The drives for which to adjust the idle timeout. Separate them by a space,
> + # e.g. HD="/dev/hda /dev/hdb".
> + #HD="/dev/hda"
>
> ---------------------CONFIG FILE END---------------------------------------------
> + # Set the spindown timeout on a hard drive?
> + #DO_HD=1
>
>
> Control script
> @@ -318,125 +319,126 @@ Control script
> Please note that this control script works for the Linux 2.4 and 2.6 series (thanks
> to Kiko Piris).
>
> ---------------------CONTROL SCRIPT BEGIN----------------------------------------
> -#!/bin/bash
> +Control script::
>
> -# start or stop laptop_mode, best run by a power management daemon when
> -# ac gets connected/disconnected from a laptop
> -#
> -# install as /sbin/laptop_mode
> -#
> -# Contributors to this script: Kiko Piris
> -# Bart Samwel
> -# Micha Feigin
> -# Andrew Morton
> -# Herve Eychenne
> -# Dax Kelson
> -#
> -# Original Linux 2.4 version by: Jens Axboe
> + #!/bin/bash
>
> -#############################################################################
> + # start or stop laptop_mode, best run by a power management daemon when
> + # ac gets connected/disconnected from a laptop
> + #
> + # install as /sbin/laptop_mode
> + #
> + # Contributors to this script: Kiko Piris
> + # Bart Samwel
> + # Micha Feigin
> + # Andrew Morton
> + # Herve Eychenne
> + # Dax Kelson
> + #
> + # Original Linux 2.4 version by: Jens Axboe
>
> -# Source config
> -if [ -f /etc/default/laptop-mode ] ; then
> + #############################################################################
> +
> + # Source config
> + if [ -f /etc/default/laptop-mode ] ; then
> # Debian
> . /etc/default/laptop-mode
> -elif [ -f /etc/sysconfig/laptop-mode ] ; then
> + elif [ -f /etc/sysconfig/laptop-mode ] ; then
> # Others
> - . /etc/sysconfig/laptop-mode
> -fi
> + . /etc/sysconfig/laptop-mode
> + fi
>
> -# Don't raise an error if the config file is incomplete
> -# set defaults instead:
> + # Don't raise an error if the config file is incomplete
> + # set defaults instead:
>
> -# Maximum time, in seconds, of hard drive spindown time that you are
> -# comfortable with. Worst case, it's possible that you could lose this
> -# amount of work if your battery fails you while in laptop mode.
> -MAX_AGE=${MAX_AGE:-'600'}
> + # Maximum time, in seconds, of hard drive spindown time that you are
> + # comfortable with. Worst case, it's possible that you could lose this
> + # amount of work if your battery fails you while in laptop mode.
> + MAX_AGE=${MAX_AGE:-'600'}
>
> -# Read-ahead, in kilobytes
> -READAHEAD=${READAHEAD:-'4096'}
> + # Read-ahead, in kilobytes
> + READAHEAD=${READAHEAD:-'4096'}
>
> -# Shall we remount journaled fs. with appropriate commit interval? (1=yes)
> -DO_REMOUNTS=${DO_REMOUNTS:-'1'}
> + # Shall we remount journaled fs. with appropriate commit interval? (1=yes)
> + DO_REMOUNTS=${DO_REMOUNTS:-'1'}
>
> -# And shall we add the "noatime" option to that as well? (1=yes)
> -DO_REMOUNT_NOATIME=${DO_REMOUNT_NOATIME:-'1'}
> + # And shall we add the "noatime" option to that as well? (1=yes)
> + DO_REMOUNT_NOATIME=${DO_REMOUNT_NOATIME:-'1'}
>
> -# Shall we adjust the idle timeout on a hard drive?
> -DO_HD=${DO_HD:-'1'}
> + # Shall we adjust the idle timeout on a hard drive?
> + DO_HD=${DO_HD:-'1'}
>
> -# Adjust idle timeout on which hard drive?
> -HD="${HD:-'/dev/hda'}"
> + # Adjust idle timeout on which hard drive?
> + HD="${HD:-'/dev/hda'}"
>
> -# spindown time for HD (hdparm -S values)
> -AC_HD=${AC_HD:-'244'}
> -BATT_HD=${BATT_HD:-'4'}
> + # spindown time for HD (hdparm -S values)
> + AC_HD=${AC_HD:-'244'}
> + BATT_HD=${BATT_HD:-'4'}
>
> -# Dirty synchronous ratio. At this percentage of dirty pages the process which
> -# calls write() does its own writeback
> -DIRTY_RATIO=${DIRTY_RATIO:-'40'}
> + # Dirty synchronous ratio. At this percentage of dirty pages the process which
> + # calls write() does its own writeback
> + DIRTY_RATIO=${DIRTY_RATIO:-'40'}
>
> -# cpu frequency scaling
> -# See Documentation/admin-guide/pm/cpufreq.rst for more info
> -DO_CPU=${CPU_MANAGE:-'0'}
> -CPU_MAXFREQ=${CPU_MAXFREQ:-'slowest'}
> + # cpu frequency scaling
> + # See Documentation/admin-guide/pm/cpufreq.rst for more info
> + DO_CPU=${CPU_MANAGE:-'0'}
> + CPU_MAXFREQ=${CPU_MAXFREQ:-'slowest'}
>
> -#
> -# Allowed dirty background ratio, in percent. Once DIRTY_RATIO has been
> -# exceeded, the kernel will wake flusher threads which will then reduce the
> -# amount of dirty memory to dirty_background_ratio. Set this nice and low,
> -# so once some writeout has commenced, we do a lot of it.
> -#
> -DIRTY_BACKGROUND_RATIO=${DIRTY_BACKGROUND_RATIO:-'5'}
> + #
> + # Allowed dirty background ratio, in percent. Once DIRTY_RATIO has been
> + # exceeded, the kernel will wake flusher threads which will then reduce the
> + # amount of dirty memory to dirty_background_ratio. Set this nice and low,
> + # so once some writeout has commenced, we do a lot of it.
> + #
> + DIRTY_BACKGROUND_RATIO=${DIRTY_BACKGROUND_RATIO:-'5'}
>
> -# kernel default dirty buffer age
> -DEF_AGE=${DEF_AGE:-'30'}
> -DEF_UPDATE=${DEF_UPDATE:-'5'}
> -DEF_DIRTY_BACKGROUND_RATIO=${DEF_DIRTY_BACKGROUND_RATIO:-'10'}
> -DEF_DIRTY_RATIO=${DEF_DIRTY_RATIO:-'40'}
> -DEF_XFS_AGE_BUFFER=${DEF_XFS_AGE_BUFFER:-'15'}
> -DEF_XFS_SYNC_INTERVAL=${DEF_XFS_SYNC_INTERVAL:-'30'}
> -DEF_XFS_BUFD_INTERVAL=${DEF_XFS_BUFD_INTERVAL:-'1'}
> + # kernel default dirty buffer age
> + DEF_AGE=${DEF_AGE:-'30'}
> + DEF_UPDATE=${DEF_UPDATE:-'5'}
> + DEF_DIRTY_BACKGROUND_RATIO=${DEF_DIRTY_BACKGROUND_RATIO:-'10'}
> + DEF_DIRTY_RATIO=${DEF_DIRTY_RATIO:-'40'}
> + DEF_XFS_AGE_BUFFER=${DEF_XFS_AGE_BUFFER:-'15'}
> + DEF_XFS_SYNC_INTERVAL=${DEF_XFS_SYNC_INTERVAL:-'30'}
> + DEF_XFS_BUFD_INTERVAL=${DEF_XFS_BUFD_INTERVAL:-'1'}
>
> -# This must be adjusted manually to the value of HZ in the running kernel
> -# on 2.4, until the XFS people change their 2.4 external interfaces to work in
> -# centisecs. This can be automated, but it's a work in progress that still needs
> -# some fixes. On 2.6 kernels, XFS uses USER_HZ instead of HZ for external
> -# interfaces, and that is currently always set to 100. So you don't need to
> -# change this on 2.6.
> -XFS_HZ=${XFS_HZ:-'100'}
> + # This must be adjusted manually to the value of HZ in the running kernel
> + # on 2.4, until the XFS people change their 2.4 external interfaces to work in
> + # centisecs. This can be automated, but it's a work in progress that still needs
> + # some fixes. On 2.6 kernels, XFS uses USER_HZ instead of HZ for external
> + # interfaces, and that is currently always set to 100. So you don't need to
> + # change this on 2.6.
> + XFS_HZ=${XFS_HZ:-'100'}
>
> -#############################################################################
> + #############################################################################
>
> -KLEVEL="$(uname -r |
> - {
> + KLEVEL="$(uname -r |
> + {
> IFS='.' read a b c
> echo $a.$b
> }
> -)"
> -case "$KLEVEL" in
> + )"
> + case "$KLEVEL" in
> "2.4"|"2.6")
> ;;
> *)
> echo "Unhandled kernel version: $KLEVEL ('uname -r' = '$(uname -r)')" >&2
> exit 1
> ;;
> -esac
> + esac
>
> -if [ ! -e /proc/sys/vm/laptop_mode ] ; then
> + if [ ! -e /proc/sys/vm/laptop_mode ] ; then
> echo "Kernel is not patched with laptop_mode patch." >&2
> exit 1
> -fi
> + fi
>
> -if [ ! -w /proc/sys/vm/laptop_mode ] ; then
> + if [ ! -w /proc/sys/vm/laptop_mode ] ; then
> echo "You do not have enough privileges to enable laptop_mode." >&2
> exit 1
> -fi
> + fi
>
> -# Remove an option (the first parameter) of the form option=<number> from
> -# a mount options string (the rest of the parameters).
> -parse_mount_opts () {
> + # Remove an option (the first parameter) of the form option=<number> from
> + # a mount options string (the rest of the parameters).
> + parse_mount_opts () {
> OPT="$1"
> shift
> echo ",$*," | sed \
> @@ -444,11 +446,11 @@ parse_mount_opts () {
> -e 's/,,*/,/g' \
> -e 's/^,//' \
> -e 's/,$//'
> -}
> + }
>
> -# Remove an option (the first parameter) without any arguments from
> -# a mount option string (the rest of the parameters).
> -parse_nonumber_mount_opts () {
> + # Remove an option (the first parameter) without any arguments from
> + # a mount option string (the rest of the parameters).
> + parse_nonumber_mount_opts () {
> OPT="$1"
> shift
> echo ",$*," | sed \
> @@ -456,20 +458,20 @@ parse_nonumber_mount_opts () {
> -e 's/,,*/,/g' \
> -e 's/^,//' \
> -e 's/,$//'
> -}
> + }
>
> -# Find out the state of a yes/no option (e.g. "atime"/"noatime") in
> -# fstab for a given filesystem, and use this state to replace the
> -# value of the option in another mount options string. The device
> -# is the first argument, the option name the second, and the default
> -# value the third. The remainder is the mount options string.
> -#
> -# Example:
> -# parse_yesno_opts_wfstab /dev/hda1 atime atime defaults,noatime
> -#
> -# If fstab contains, say, "rw" for this filesystem, then the result
> -# will be "defaults,atime".
> -parse_yesno_opts_wfstab () {
> + # Find out the state of a yes/no option (e.g. "atime"/"noatime") in
> + # fstab for a given filesystem, and use this state to replace the
> + # value of the option in another mount options string. The device
> + # is the first argument, the option name the second, and the default
> + # value the third. The remainder is the mount options string.
> + #
> + # Example:
> + # parse_yesno_opts_wfstab /dev/hda1 atime atime defaults,noatime
> + #
> + # If fstab contains, say, "rw" for this filesystem, then the result
> + # will be "defaults,atime".
> + parse_yesno_opts_wfstab () {
> L_DEV="$1"
> OPT="$2"
> DEF_OPT="$3"
> @@ -491,21 +493,21 @@ parse_yesno_opts_wfstab () {
> # option not specified in fstab -- choose the default.
> echo "$PARSEDOPTS1,$DEF_OPT"
> fi
> -}
> + }
>
> -# Find out the state of a numbered option (e.g. "commit=NNN") in
> -# fstab for a given filesystem, and use this state to replace the
> -# value of the option in another mount options string. The device
> -# is the first argument, and the option name the second. The
> -# remainder is the mount options string in which the replacement
> -# must be done.
> -#
> -# Example:
> -# parse_mount_opts_wfstab /dev/hda1 commit defaults,commit=7
> -#
> -# If fstab contains, say, "commit=3,rw" for this filesystem, then the
> -# result will be "rw,commit=3".
> -parse_mount_opts_wfstab () {
> + # Find out the state of a numbered option (e.g. "commit=NNN") in
> + # fstab for a given filesystem, and use this state to replace the
> + # value of the option in another mount options string. The device
> + # is the first argument, and the option name the second. The
> + # remainder is the mount options string in which the replacement
> + # must be done.
> + #
> + # Example:
> + # parse_mount_opts_wfstab /dev/hda1 commit defaults,commit=7
> + #
> + # If fstab contains, say, "commit=3,rw" for this filesystem, then the
> + # result will be "rw,commit=3".
> + parse_mount_opts_wfstab () {
> L_DEV="$1"
> OPT="$2"
> shift 2
> @@ -523,9 +525,9 @@ parse_mount_opts_wfstab () {
> # option not specified in fstab: set it to 0
> echo "$PARSEDOPTS1,$OPT=0"
> fi
> -}
> + }
>
> -deduce_fstype () {
> + deduce_fstype () {
> MP="$1"
> # My root filesystem unfortunately has
> # type "unknown" in /etc/mtab. If we encounter
> @@ -538,13 +540,13 @@ deduce_fstype () {
> exit 0
> fi
> done
> -}
> + }
>
> -if [ $DO_REMOUNT_NOATIME -eq 1 ] ; then
> + if [ $DO_REMOUNT_NOATIME -eq 1 ] ; then
> NOATIME_OPT=",noatime"
> -fi
> + fi
>
> -case "$1" in
> + case "$1" in
> start)
> AGE=$((100*$MAX_AGE))
> XFS_AGE=$(($XFS_HZ*$MAX_AGE))
> @@ -687,10 +689,9 @@ case "$1" in
> exit 1
> ;;
>
> -esac
> + esac
>
> -exit 0
> ---------------------CONTROL SCRIPT END------------------------------------------
> + exit 0
>
>
> ACPI integration
> @@ -701,78 +702,76 @@ kick off the laptop_mode script and run hdparm. The part that
> automatically disables laptop mode when the battery is low was
> written by Jan Topinski.
>
> ------------------/etc/acpi/events/ac_adapter BEGIN------------------------------
> -event=ac_adapter
> -action=/etc/acpi/actions/ac.sh %e
> -----------------/etc/acpi/events/ac_adapter END---------------------------------
> +/etc/acpi/events/ac_adapter::
>
> + event=ac_adapter
> + action=/etc/acpi/actions/ac.sh %e
>
> ------------------/etc/acpi/events/battery BEGIN---------------------------------
> -event=battery.*
> -action=/etc/acpi/actions/battery.sh %e
> -----------------/etc/acpi/events/battery END------------------------------------
> +/etc/acpi/events/battery::
>
> + event=battery.*
> + action=/etc/acpi/actions/battery.sh %e
>
> -----------------/etc/acpi/actions/ac.sh BEGIN-----------------------------------
> -#!/bin/bash
> +/etc/acpi/actions/ac.sh::
>
> -# ac on/offline event handler
> + #!/bin/bash
>
> -status=`awk '/^state: / { print $2 }' /proc/acpi/ac_adapter/$2/state`
> + # ac on/offline event handler
>
> -case $status in
> - "on-line")
> - /sbin/laptop_mode stop
> - exit 0
> - ;;
> - "off-line")
> - /sbin/laptop_mode start
> - exit 0
> - ;;
> -esac
> ----------------------------/etc/acpi/actions/ac.sh END--------------------------
> + status=`awk '/^state: / { print $2 }' /proc/acpi/ac_adapter/$2/state`
>
> + case $status in
> + "on-line")
> + /sbin/laptop_mode stop
> + exit 0
> + ;;
> + "off-line")
> + /sbin/laptop_mode start
> + exit 0
> + ;;
> + esac
>
> ----------------------------/etc/acpi/actions/battery.sh BEGIN-------------------
> -#! /bin/bash
>
> -# Automatically disable laptop mode when the battery almost runs out.
> +/etc/acpi/actions/battery.sh::
>
> -BATT_INFO=/proc/acpi/battery/$2/state
> + #! /bin/bash
>
> -if [[ -f /proc/sys/vm/laptop_mode ]]
> -then
> - LM=`cat /proc/sys/vm/laptop_mode`
> - if [[ $LM -gt 0 ]]
> - then
> - if [[ -f $BATT_INFO ]]
> + # Automatically disable laptop mode when the battery almost runs out.
> +
> + BATT_INFO=/proc/acpi/battery/$2/state
> +
> + if [[ -f /proc/sys/vm/laptop_mode ]]
> + then
> + LM=`cat /proc/sys/vm/laptop_mode`
> + if [[ $LM -gt 0 ]]
> then
> - # Source the config file only now that we know we need
> - if [ -f /etc/default/laptop-mode ] ; then
> - # Debian
> - . /etc/default/laptop-mode
> - elif [ -f /etc/sysconfig/laptop-mode ] ; then
> - # Others
> - . /etc/sysconfig/laptop-mode
> - fi
> - MINIMUM_BATTERY_MINUTES=${MINIMUM_BATTERY_MINUTES:-'10'}
> + if [[ -f $BATT_INFO ]]
> + then
> + # Source the config file only now that we know we need
> + if [ -f /etc/default/laptop-mode ] ; then
> + # Debian
> + . /etc/default/laptop-mode
> + elif [ -f /etc/sysconfig/laptop-mode ] ; then
> + # Others
> + . /etc/sysconfig/laptop-mode
> + fi
> + MINIMUM_BATTERY_MINUTES=${MINIMUM_BATTERY_MINUTES:-'10'}
>
> - ACTION="`cat $BATT_INFO | grep charging | cut -c 26-`"
> - if [[ ACTION -eq "discharging" ]]
> - then
> - PRESENT_RATE=`cat $BATT_INFO | grep "present rate:" | sed "s/.* \([0-9][0-9]* \).*/\1/" `
> - REMAINING=`cat $BATT_INFO | grep "remaining capacity:" | sed "s/.* \([0-9][0-9]* \).*/\1/" `
> - fi
> - if (($REMAINING * 60 / $PRESENT_RATE < $MINIMUM_BATTERY_MINUTES))
> - then
> - /sbin/laptop_mode stop
> - fi
> - else
> - logger -p daemon.warning "You are using laptop mode and your battery interface $BATT_INFO is missing. This may lead to loss of data when the battery runs out. Check kernel ACPI support and /proc/acpi/battery folder, and edit /etc/acpi/battery.sh to set BATT_INFO to the correct path."
> + ACTION="`cat $BATT_INFO | grep charging | cut -c 26-`"
> + if [[ ACTION -eq "discharging" ]]
> + then
> + PRESENT_RATE=`cat $BATT_INFO | grep "present rate:" | sed "s/.* \([0-9][0-9]* \).*/\1/" `
> + REMAINING=`cat $BATT_INFO | grep "remaining capacity:" | sed "s/.* \([0-9][0-9]* \).*/\1/" `
> + fi
> + if (($REMAINING * 60 / $PRESENT_RATE < $MINIMUM_BATTERY_MINUTES))
> + then
> + /sbin/laptop_mode stop
> + fi
> + else
> + logger -p daemon.warning "You are using laptop mode and your battery interface $BATT_INFO is missing. This may lead to loss of data when the battery runs out. Check kernel ACPI support and /proc/acpi/battery folder, and edit /etc/acpi/battery.sh to set BATT_INFO to the correct path."
> + fi
> fi
> - fi
> -fi
> ----------------------------/etc/acpi/actions/battery.sh END--------------------
> + fi
>
>
> Monitoring tool
> diff --git a/Documentation/laptops/sony-laptop.txt b/Documentation/laptops/sony-laptop.rst
> similarity index 85%
> rename from Documentation/laptops/sony-laptop.txt
> rename to Documentation/laptops/sony-laptop.rst
> index 978b1e615155..9edcc7f6612f 100644
> --- a/Documentation/laptops/sony-laptop.txt
> +++ b/Documentation/laptops/sony-laptop.rst
> @@ -1,7 +1,9 @@
> +=========================================
> Sony Notebook Control Driver (SNC) Readme
> ------------------------------------------
> - Copyright (C) 2004- 2005 Stelian Pop <stelian@...ies.net>
> - Copyright (C) 2007 Mattia Dongili <malattia@...ux.it>
> +=========================================
> +
> + - Copyright (C) 2004- 2005 Stelian Pop <stelian@...ies.net>
> + - Copyright (C) 2007 Mattia Dongili <malattia@...ux.it>
>
> This mini-driver drives the SNC and SPIC device present in the ACPI BIOS of the
> Sony Vaio laptops. This driver mixes both devices functions under the same
> @@ -10,6 +12,7 @@ obsoleted by sony-laptop now.
>
> Fn keys (hotkeys):
> ------------------
> +
> Some models report hotkeys through the SNC or SPIC devices, such events are
> reported both through the ACPI subsystem as acpi events and through the INPUT
> subsystem. See the logs of /proc/bus/input/devices to find out what those
> @@ -28,11 +31,14 @@ If your laptop model supports it, you will find sysfs files in the
> /sys/class/backlight/sony/
> directory. You will be able to query and set the current screen
> brightness:
> +
> + ====================== =========================================
> brightness get/set screen brightness (an integer
> between 0 and 7)
> actual_brightness reading from this file will query the HW
> to get real brightness value
> max_brightness the maximum brightness value
> + ====================== =========================================
>
>
> Platform specific:
> @@ -45,6 +51,8 @@ You then read/write integer values from/to those files by using
> standard UNIX tools.
>
> The files are:
> +
> + ====================== ==========================================
> brightness_default screen brightness which will be set
> when the laptop will be rebooted
> cdpower power on/off the internal CD drive
> @@ -53,21 +61,39 @@ The files are:
> (only in debug mode)
> bluetoothpower power on/off the internal bluetooth device
> fanspeed get/set the fan speed
> + ====================== ==========================================
>
> Note that some files may be missing if they are not supported
> by your particular laptop model.
>
> -Example usage:
> +Example usage::
> +
> # echo "1" > /sys/devices/platform/sony-laptop/brightness_default
> -sets the lowest screen brightness for the next and later reboots,
> +
> +sets the lowest screen brightness for the next and later reboots
> +
> +::
> +
> # echo "8" > /sys/devices/platform/sony-laptop/brightness_default
> -sets the highest screen brightness for the next and later reboots,
> +
> +sets the highest screen brightness for the next and later reboots
> +
> +::
> +
> # cat /sys/devices/platform/sony-laptop/brightness_default
> -retrieves the value.
> +
> +retrieves the value
> +
> +::
>
> # echo "0" > /sys/devices/platform/sony-laptop/audiopower
> -powers off the sound card,
> +
> +powers off the sound card
> +
> +::
> +
> # echo "1" > /sys/devices/platform/sony-laptop/audiopower
> +
> powers on the sound card.
>
>
> @@ -76,7 +102,8 @@ RFkill control:
> More recent Vaio models expose a consistent set of ACPI methods to
> control radio frequency emitting devices. If you are a lucky owner of
> such a laptop you will find the necessary rfkill devices under
> -/sys/class/rfkill. Check those starting with sony-* in
> +/sys/class/rfkill. Check those starting with sony-* in::
> +
> # grep . /sys/class/rfkill/*/{state,name}
>
>
> @@ -88,26 +115,29 @@ you are not afraid of any side effects doing strange things with
> your ACPI BIOS could have on your laptop), load the driver and
> pass the option 'debug=1'.
>
> -REPEAT: DON'T DO THIS IF YOU DON'T LIKE RISKY BUSINESS.
> +REPEAT:
> + **DON'T DO THIS IF YOU DON'T LIKE RISKY BUSINESS.**
>
> In your kernel logs you will find the list of all ACPI methods
> the SNC device has on your laptop.
>
> * For new models you will see a long list of meaningless method names,
> -reading the DSDT table source should reveal that:
> + reading the DSDT table source should reveal that:
> +
> (1) the SNC device uses an internal capability lookup table
> (2) SN00 is used to find values in the lookup table
> (3) SN06 and SN07 are used to call into the real methods based on
> offsets you can obtain iterating the table using SN00
> (4) SN02 used to enable events.
> +
> Some values in the capability lookup table are more or less known, see
> the code for all sony_call_snc_handle calls, others are more obscure.
>
> * For old models you can see the GCDP/GCDP methods used to pwer on/off
> -the CD drive, but there are others and they are usually different from
> -model to model.
> + the CD drive, but there are others and they are usually different from
> + model to model.
>
> -I HAVE NO IDEA WHAT THOSE METHODS DO.
> +**I HAVE NO IDEA WHAT THOSE METHODS DO.**
>
> The sony-laptop driver creates, for some of those methods (the most
> current ones found on several Vaio models), an entry under
> diff --git a/Documentation/laptops/sonypi.txt b/Documentation/laptops/sonypi.rst
> similarity index 87%
> rename from Documentation/laptops/sonypi.txt
> rename to Documentation/laptops/sonypi.rst
> index 606bdb9ce036..2a1975ed7ee4 100644
> --- a/Documentation/laptops/sonypi.txt
> +++ b/Documentation/laptops/sonypi.rst
> @@ -1,11 +1,13 @@
> +==================================================
> Sony Programmable I/O Control Device Driver Readme
> ---------------------------------------------------
> - Copyright (C) 2001-2004 Stelian Pop <stelian@...ies.net>
> - Copyright (C) 2001-2002 Alcôve <www.alcove.com>
> - Copyright (C) 2001 Michael Ashley <m.ashley@...w.edu.au>
> - Copyright (C) 2001 Junichi Morita <jun1m@...s.dti.ne.jp>
> - Copyright (C) 2000 Takaya Kinjo <t-kinjo@....so-net.ne.jp>
> - Copyright (C) 2000 Andrew Tridgell <tridge@...ba.org>
> +==================================================
> +
> + - Copyright (C) 2001-2004 Stelian Pop <stelian@...ies.net>
> + - Copyright (C) 2001-2002 Alcôve <www.alcove.com>
> + - Copyright (C) 2001 Michael Ashley <m.ashley@...w.edu.au>
> + - Copyright (C) 2001 Junichi Morita <jun1m@...s.dti.ne.jp>
> + - Copyright (C) 2000 Takaya Kinjo <t-kinjo@....so-net.ne.jp>
> + - Copyright (C) 2000 Andrew Tridgell <tridge@...ba.org>
>
> This driver enables access to the Sony Programmable I/O Control Device which
> can be found in many Sony Vaio laptops. Some newer Sony laptops (seems to be
> @@ -14,6 +16,7 @@ sonypi device and are not supported at all by this driver.
>
> It will give access (through a user space utility) to some events those laptops
> generate, like:
> +
> - jogdial events (the small wheel on the side of Vaios)
> - capture button events (only on Vaio Picturebook series)
> - Fn keys
> @@ -49,6 +52,7 @@ module argument syntax (<param>=<value> when passing the option to the
> module or sonypi.<param>=<value> on the kernel boot line when sonypi is
> statically linked into the kernel). Those options are:
>
> + =============== =======================================================
> minor: minor number of the misc device /dev/sonypi,
> default is -1 (automatic allocation, see /proc/misc
> or kernel logs)
> @@ -86,6 +90,8 @@ statically linked into the kernel). Those options are:
> will be tried. You can use the following bits to
> construct your own event mask (from
> drivers/char/sonypi.h):
> +
> + ======================== ======
> SONYPI_JOGGER_MASK 0x0001
> SONYPI_CAPTURE_MASK 0x0002
> SONYPI_FNKEY_MASK 0x0004
> @@ -100,22 +106,24 @@ statically linked into the kernel). Those options are:
> SONYPI_MEMORYSTICK_MASK 0x0800
> SONYPI_BATTERY_MASK 0x1000
> SONYPI_WIRELESS_MASK 0x2000
> + ======================== ======
>
> useinput: if set (which is the default) two input devices are
> created, one which interprets the jogdial events as
> mouse events, the other one which acts like a
> keyboard reporting the pressing of the special keys.
> + =============== =======================================================
>
> Module use:
> -----------
>
> In order to automatically load the sonypi module on use, you can put those
> -lines a configuration file in /etc/modprobe.d/:
> +lines a configuration file in /etc/modprobe.d/::
>
> alias char-major-10-250 sonypi
> options sonypi minor=250
>
> -This supposes the use of minor 250 for the sonypi device:
> +This supposes the use of minor 250 for the sonypi device::
>
> # mknod /dev/sonypi c 10 250
>
> @@ -148,5 +156,5 @@ Bugs:
> http://www.acc.umu.se/~erikw/program/smartdimmer-0.1.tar.bz2
>
> - since all development was done by reverse engineering, there is
> - _absolutely no guarantee_ that this driver will not crash your
> + *absolutely no guarantee* that this driver will not crash your
> laptop. Permanently.
> diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.rst
> similarity index 89%
> rename from Documentation/laptops/thinkpad-acpi.txt
> rename to Documentation/laptops/thinkpad-acpi.rst
> index 75ef063622d2..19d52fc3c5e9 100644
> --- a/Documentation/laptops/thinkpad-acpi.txt
> +++ b/Documentation/laptops/thinkpad-acpi.rst
> @@ -1,12 +1,15 @@
> - ThinkPad ACPI Extras Driver
> +===========================
> +ThinkPad ACPI Extras Driver
> +===========================
>
> - Version 0.25
> - October 16th, 2013
> +Version 0.25
>
> - Borislav Deianov <borislav@...rs.sf.net>
> - Henrique de Moraes Holschuh <hmh@....eng.br>
> - http://ibm-acpi.sf.net/
> +October 16th, 2013
>
> +- Borislav Deianov <borislav@...rs.sf.net>
> +- Henrique de Moraes Holschuh <hmh@....eng.br>
> +
> +http://ibm-acpi.sf.net/
>
> This is a Linux driver for the IBM and Lenovo ThinkPad laptops. It
> supports various features of these laptops which are accessible
> @@ -91,7 +94,8 @@ yet ready or stabilized, it is expected that this interface will change,
> and any and all userspace programs must deal with it.
>
>
> -Notes about the sysfs interface:
> +Notes about the sysfs interface
> +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> Unlike what was done with the procfs interface, correctness when talking
> to the sysfs interfaces will be enforced, as will correctness in the
> @@ -129,6 +133,7 @@ Driver version
> --------------
>
> procfs: /proc/acpi/ibm/driver
> +
> sysfs driver attribute: version
>
> The driver name and version. No commands can be written to this file.
> @@ -141,9 +146,13 @@ sysfs driver attribute: interface_version
>
> Version of the thinkpad-acpi sysfs interface, as an unsigned long
> (output in hex format: 0xAAAABBCC), where:
> - AAAA - major revision
> - BB - minor revision
> - CC - bugfix revision
> +
> + AAAA
> + - major revision
> + BB
> + - minor revision
> + CC
> + - bugfix revision
>
> The sysfs interface version changelog for the driver can be found at the
> end of this document. Changes to the sysfs interface done by the kernel
> @@ -170,6 +179,7 @@ Hot keys
> --------
>
> procfs: /proc/acpi/ibm/hotkey
> +
> sysfs device attribute: hotkey_*
>
> In a ThinkPad, the ACPI HKEY handler is responsible for communicating
> @@ -181,7 +191,7 @@ firmware will behave in many situations.
> The driver enables the HKEY ("hot key") event reporting automatically
> when loaded, and disables it when it is removed.
>
> -The driver will report HKEY events in the following format:
> +The driver will report HKEY events in the following format::
>
> ibm/hotkey HKEY 00000080 0000xxxx
>
> @@ -217,9 +227,10 @@ ThinkPads, it is still possible to support some extra hotkeys by
> polling the "CMOS NVRAM" at least 10 times per second. The driver
> attempts to enables this functionality automatically when required.
>
> -procfs notes:
> +procfs notes
> +^^^^^^^^^^^^
>
> -The following commands can be written to the /proc/acpi/ibm/hotkey file:
> +The following commands can be written to the /proc/acpi/ibm/hotkey file::
>
> echo 0xffffffff > /proc/acpi/ibm/hotkey -- enable all hot keys
> echo 0 > /proc/acpi/ibm/hotkey -- disable all possible hot keys
> @@ -227,7 +238,7 @@ The following commands can be written to the /proc/acpi/ibm/hotkey file:
> echo reset > /proc/acpi/ibm/hotkey -- restore the recommended mask
>
> The following commands have been deprecated and will cause the kernel
> -to log a warning:
> +to log a warning::
>
> echo enable > /proc/acpi/ibm/hotkey -- does nothing
> echo disable > /proc/acpi/ibm/hotkey -- returns an error
> @@ -237,7 +248,8 @@ maintain maximum bug-to-bug compatibility, it does not report any masks,
> nor does it allow one to manipulate the hot key mask when the firmware
> does not support masks at all, even if NVRAM polling is in use.
>
> -sysfs notes:
> +sysfs notes
> +^^^^^^^^^^^
>
> hotkey_bios_enabled:
> DEPRECATED, WILL BE REMOVED SOON.
> @@ -349,7 +361,8 @@ sysfs notes:
>
> This attribute has poll()/select() support.
>
> -input layer notes:
> +input layer notes
> +^^^^^^^^^^^^^^^^^
>
> A Hot key is mapped to a single input layer EV_KEY event, possibly
> followed by an EV_MSC MSC_SCAN event that shall contain that key's scan
> @@ -362,11 +375,13 @@ remapping KEY_UNKNOWN keys.
>
> The events are available in an input device, with the following id:
>
> - Bus: BUS_HOST
> - vendor: 0x1014 (PCI_VENDOR_ID_IBM) or
> + ============== ==============================
> + Bus BUS_HOST
> + vendor 0x1014 (PCI_VENDOR_ID_IBM) or
> 0x17aa (PCI_VENDOR_ID_LENOVO)
> - product: 0x5054 ("TP")
> - version: 0x4101
> + product 0x5054 ("TP")
> + version 0x4101
> + ============== ==============================
>
> The version will have its LSB incremented if the keymap changes in a
> backwards-compatible way. The MSB shall always be 0x41 for this input
> @@ -380,9 +395,10 @@ backwards-compatible change for this input device.
>
> Thinkpad-acpi Hot Key event map (version 0x4101):
>
> +======= ======= ============== ==============================================
> ACPI Scan
> event code Key Notes
> -
> +======= ======= ============== ==============================================
> 0x1001 0x00 FN+F1 -
>
> 0x1002 0x01 FN+F2 IBM: battery (rare)
> @@ -426,7 +442,9 @@ event code Key Notes
> or toggle screen expand
>
> 0x1009 0x08 FN+F9 -
> - .. .. ..
> +
> +... ... ... ...
> +
> 0x100B 0x0A FN+F11 -
>
> 0x100C 0x0B FN+F12 Sleep to disk. You are always
> @@ -480,8 +498,11 @@ event code Key Notes
> 0x1018 0x17 THINKPAD ThinkPad/Access IBM/Lenovo key
>
> 0x1019 0x18 unknown
> -.. .. ..
> +
> +... ... ...
> +
> 0x1020 0x1F unknown
> +======= ======= ============== ==============================================
>
> The ThinkPad firmware does not allow one to differentiate when most hot
> keys are pressed or released (either that, or we don't know how to, yet).
> @@ -499,14 +520,17 @@ generate input device EV_KEY events.
> In addition to the EV_KEY events, thinkpad-acpi may also issue EV_SW
> events for switches:
>
> +============== ==============================================
> SW_RFKILL_ALL T60 and later hardware rfkill rocker switch
> SW_TABLET_MODE Tablet ThinkPads HKEY events 0x5009 and 0x500A
> +============== ==============================================
>
> -Non hotkey ACPI HKEY event map:
> --------------------------------
> +Non hotkey ACPI HKEY event map
> +------------------------------
>
> Events that are never propagated by the driver:
>
> +====== ==================================================
> 0x2304 System is waking up from suspend to undock
> 0x2305 System is waking up from suspend to eject bay
> 0x2404 System is waking up from hibernation to undock
> @@ -519,10 +543,12 @@ Events that are never propagated by the driver:
> 0x6000 KEYBOARD: Numlock key pressed
> 0x6005 KEYBOARD: Fn key pressed (TO BE VERIFIED)
> 0x7000 Radio Switch may have changed state
> +====== ==================================================
>
>
> Events that are propagated by the driver to userspace:
>
> +====== =====================================================
> 0x2313 ALARM: System is waking up from suspend because
> the battery is nearly empty
> 0x2413 ALARM: System is waking up from hibernation because
> @@ -544,6 +570,7 @@ Events that are propagated by the driver to userspace:
> 0x6040 Nvidia Optimus/AC adapter related (TO BE VERIFIED)
> 0x60C0 X1 Yoga 2016, Tablet mode status changed
> 0x60F0 Thermal Transformation changed (GMTS, Windows)
> +====== =====================================================
>
> Battery nearly empty alarms are a last resort attempt to get the
> operating system to hibernate or shutdown cleanly (0x2313), or shutdown
> @@ -562,7 +589,8 @@ cycle, or a system shutdown. Obviously, something is very wrong if this
> happens.
>
>
> -Brightness hotkey notes:
> +Brightness hotkey notes
> +^^^^^^^^^^^^^^^^^^^^^^^
>
> Don't mess with the brightness hotkeys in a Thinkpad. If you want
> notifications for OSD, use the sysfs backlight class event support.
> @@ -579,7 +607,9 @@ Bluetooth
> ---------
>
> procfs: /proc/acpi/ibm/bluetooth
> +
> sysfs device attribute: bluetooth_enable (deprecated)
> +
> sysfs rfkill class: switch "tpacpi_bluetooth_sw"
>
> This feature shows the presence and current state of a ThinkPad
> @@ -588,22 +618,25 @@ Bluetooth device in the internal ThinkPad CDC slot.
> If the ThinkPad supports it, the Bluetooth state is stored in NVRAM,
> so it is kept across reboots and power-off.
>
> -Procfs notes:
> +Procfs notes
> +^^^^^^^^^^^^
>
> -If Bluetooth is installed, the following commands can be used:
> +If Bluetooth is installed, the following commands can be used::
>
> echo enable > /proc/acpi/ibm/bluetooth
> echo disable > /proc/acpi/ibm/bluetooth
>
> -Sysfs notes:
> +Sysfs notes
> +^^^^^^^^^^^
>
> If the Bluetooth CDC card is installed, it can be enabled /
> disabled through the "bluetooth_enable" thinkpad-acpi device
> attribute, and its current status can also be queried.
>
> enable:
> - 0: disables Bluetooth / Bluetooth is disabled
> - 1: enables Bluetooth / Bluetooth is enabled.
> +
> + - 0: disables Bluetooth / Bluetooth is disabled
> + - 1: enables Bluetooth / Bluetooth is enabled.
>
> Note: this interface has been superseded by the generic rfkill
> class. It has been deprecated, and it will be removed in year
> @@ -617,7 +650,7 @@ Video output control -- /proc/acpi/ibm/video
> --------------------------------------------
>
> This feature allows control over the devices used for video output -
> -LCD, CRT or DVI (if available). The following commands are available:
> +LCD, CRT or DVI (if available). The following commands are available::
>
> echo lcd_enable > /proc/acpi/ibm/video
> echo lcd_disable > /proc/acpi/ibm/video
> @@ -630,9 +663,10 @@ LCD, CRT or DVI (if available). The following commands are available:
> echo expand_toggle > /proc/acpi/ibm/video
> echo video_switch > /proc/acpi/ibm/video
>
> -NOTE: Access to this feature is restricted to processes owning the
> -CAP_SYS_ADMIN capability for safety reasons, as it can interact badly
> -enough with some versions of X.org to crash it.
> +NOTE:
> + Access to this feature is restricted to processes owning the
> + CAP_SYS_ADMIN capability for safety reasons, as it can interact badly
> + enough with some versions of X.org to crash it.
>
> Each video output device can be enabled or disabled individually.
> Reading /proc/acpi/ibm/video shows the status of each device.
> @@ -665,18 +699,21 @@ ThinkLight control
> ------------------
>
> procfs: /proc/acpi/ibm/light
> +
> sysfs attributes: as per LED class, for the "tpacpi::thinklight" LED
>
> -procfs notes:
> +procfs notes
> +^^^^^^^^^^^^
>
> The ThinkLight status can be read and set through the procfs interface. A
> few models which do not make the status available will show the ThinkLight
> -status as "unknown". The available commands are:
> +status as "unknown". The available commands are::
>
> echo on > /proc/acpi/ibm/light
> echo off > /proc/acpi/ibm/light
>
> -sysfs notes:
> +sysfs notes
> +^^^^^^^^^^^
>
> The ThinkLight sysfs interface is documented by the LED class
> documentation, in Documentation/leds/leds-class.rst. The ThinkLight LED name
> @@ -691,6 +728,7 @@ CMOS/UCMS control
> -----------------
>
> procfs: /proc/acpi/ibm/cmos
> +
> sysfs device attribute: cmos_command
>
> This feature is mostly used internally by the ACPI firmware to keep the legacy
> @@ -707,16 +745,16 @@ The range of valid cmos command numbers is 0 to 21, but not all have an
> effect and the behavior varies from model to model. Here is the behavior
> on the X40 (tpb is the ThinkPad Buttons utility):
>
> - 0 - Related to "Volume down" key press
> - 1 - Related to "Volume up" key press
> - 2 - Related to "Mute on" key press
> - 3 - Related to "Access IBM" key press
> - 4 - Related to "LCD brightness up" key press
> - 5 - Related to "LCD brightness down" key press
> - 11 - Related to "toggle screen expansion" key press/function
> - 12 - Related to "ThinkLight on"
> - 13 - Related to "ThinkLight off"
> - 14 - Related to "ThinkLight" key press (toggle ThinkLight)
> + - 0 - Related to "Volume down" key press
> + - 1 - Related to "Volume up" key press
> + - 2 - Related to "Mute on" key press
> + - 3 - Related to "Access IBM" key press
> + - 4 - Related to "LCD brightness up" key press
> + - 5 - Related to "LCD brightness down" key press
> + - 11 - Related to "toggle screen expansion" key press/function
> + - 12 - Related to "ThinkLight on"
> + - 13 - Related to "ThinkLight off"
> + - 14 - Related to "ThinkLight" key press (toggle ThinkLight)
>
> The cmos command interface is prone to firmware split-brain problems, as
> in newer ThinkPads it is just a compatibility layer. Do not use it, it is
> @@ -748,9 +786,10 @@ are aware of the consequences are welcome to enabling it.
> Audio mute and microphone mute LEDs are supported, but currently not
> visible to userspace. They are used by the snd-hda-intel audio driver.
>
> -procfs notes:
> +procfs notes
> +^^^^^^^^^^^^
>
> -The available commands are:
> +The available commands are::
>
> echo '<LED number> on' >/proc/acpi/ibm/led
> echo '<LED number> off' >/proc/acpi/ibm/led
> @@ -760,23 +799,24 @@ The <LED number> range is 0 to 15. The set of LEDs that can be
> controlled varies from model to model. Here is the common ThinkPad
> mapping:
>
> - 0 - power
> - 1 - battery (orange)
> - 2 - battery (green)
> - 3 - UltraBase/dock
> - 4 - UltraBay
> - 5 - UltraBase battery slot
> - 6 - (unknown)
> - 7 - standby
> - 8 - dock status 1
> - 9 - dock status 2
> - 10, 11 - (unknown)
> - 12 - thinkvantage
> - 13, 14, 15 - (unknown)
> + - 0 - power
> + - 1 - battery (orange)
> + - 2 - battery (green)
> + - 3 - UltraBase/dock
> + - 4 - UltraBay
> + - 5 - UltraBase battery slot
> + - 6 - (unknown)
> + - 7 - standby
> + - 8 - dock status 1
> + - 9 - dock status 2
> + - 10, 11 - (unknown)
> + - 12 - thinkvantage
> + - 13, 14, 15 - (unknown)
>
> All of the above can be turned on and off and can be made to blink.
>
> -sysfs notes:
> +sysfs notes
> +^^^^^^^^^^^
>
> The ThinkPad LED sysfs interface is described in detail by the LED class
> documentation, in Documentation/leds/leds-class.rst.
> @@ -815,7 +855,7 @@ The BEEP method is used internally by the ACPI firmware to provide
> audible alerts in various situations. This feature allows the same
> sounds to be triggered manually.
>
> -The commands are non-negative integer numbers:
> +The commands are non-negative integer numbers::
>
> echo <number> >/proc/acpi/ibm/beep
>
> @@ -823,25 +863,26 @@ The valid <number> range is 0 to 17. Not all numbers trigger sounds
> and the sounds vary from model to model. Here is the behavior on the
> X40:
>
> - 0 - stop a sound in progress (but use 17 to stop 16)
> - 2 - two beeps, pause, third beep ("low battery")
> - 3 - single beep
> - 4 - high, followed by low-pitched beep ("unable")
> - 5 - single beep
> - 6 - very high, followed by high-pitched beep ("AC/DC")
> - 7 - high-pitched beep
> - 9 - three short beeps
> - 10 - very long beep
> - 12 - low-pitched beep
> - 15 - three high-pitched beeps repeating constantly, stop with 0
> - 16 - one medium-pitched beep repeating constantly, stop with 17
> - 17 - stop 16
> + - 0 - stop a sound in progress (but use 17 to stop 16)
> + - 2 - two beeps, pause, third beep ("low battery")
> + - 3 - single beep
> + - 4 - high, followed by low-pitched beep ("unable")
> + - 5 - single beep
> + - 6 - very high, followed by high-pitched beep ("AC/DC")
> + - 7 - high-pitched beep
> + - 9 - three short beeps
> + - 10 - very long beep
> + - 12 - low-pitched beep
> + - 15 - three high-pitched beeps repeating constantly, stop with 0
> + - 16 - one medium-pitched beep repeating constantly, stop with 17
> + - 17 - stop 16
>
>
> Temperature sensors
> -------------------
>
> procfs: /proc/acpi/ibm/thermal
> +
> sysfs device attributes: (hwmon "thinkpad") temp*_input
>
> Most ThinkPads include six or more separate temperature sensors but only
> @@ -850,10 +891,14 @@ feature shows readings from up to eight different sensors on older
> ThinkPads, and up to sixteen different sensors on newer ThinkPads.
>
> For example, on the X40, a typical output may be:
> -temperatures: 42 42 45 41 36 -128 33 -128
> +
> +temperatures:
> + 42 42 45 41 36 -128 33 -128
>
> On the T43/p, a typical output may be:
> -temperatures: 48 48 36 52 38 -128 31 -128 48 52 48 -128 -128 -128 -128 -128
> +
> +temperatures:
> + 48 48 36 52 38 -128 31 -128 48 52 48 -128 -128 -128 -128 -128
>
> The mapping of thermal sensors to physical locations varies depending on
> system-board model (and thus, on ThinkPad model).
> @@ -863,46 +908,53 @@ tries to track down these locations for various models.
>
> Most (newer?) models seem to follow this pattern:
>
> -1: CPU
> -2: (depends on model)
> -3: (depends on model)
> -4: GPU
> -5: Main battery: main sensor
> -6: Bay battery: main sensor
> -7: Main battery: secondary sensor
> -8: Bay battery: secondary sensor
> -9-15: (depends on model)
> +- 1: CPU
> +- 2: (depends on model)
> +- 3: (depends on model)
> +- 4: GPU
> +- 5: Main battery: main sensor
> +- 6: Bay battery: main sensor
> +- 7: Main battery: secondary sensor
> +- 8: Bay battery: secondary sensor
> +- 9-15: (depends on model)
>
> For the R51 (source: Thomas Gruber):
> -2: Mini-PCI
> -3: Internal HDD
> +
> +- 2: Mini-PCI
> +- 3: Internal HDD
>
> For the T43, T43/p (source: Shmidoax/Thinkwiki.org)
> http://thinkwiki.org/wiki/Thermal_Sensors#ThinkPad_T43.2C_T43p
> -2: System board, left side (near PCMCIA slot), reported as HDAPS temp
> -3: PCMCIA slot
> -9: MCH (northbridge) to DRAM Bus
> -10: Clock-generator, mini-pci card and ICH (southbridge), under Mini-PCI
> - card, under touchpad
> -11: Power regulator, underside of system board, below F2 key
> +
> +- 2: System board, left side (near PCMCIA slot), reported as HDAPS temp
> +- 3: PCMCIA slot
> +- 9: MCH (northbridge) to DRAM Bus
> +- 10: Clock-generator, mini-pci card and ICH (southbridge), under Mini-PCI
> + card, under touchpad
> +- 11: Power regulator, underside of system board, below F2 key
>
> The A31 has a very atypical layout for the thermal sensors
> (source: Milos Popovic, http://thinkwiki.org/wiki/Thermal_Sensors#ThinkPad_A31)
> -1: CPU
> -2: Main Battery: main sensor
> -3: Power Converter
> -4: Bay Battery: main sensor
> -5: MCH (northbridge)
> -6: PCMCIA/ambient
> -7: Main Battery: secondary sensor
> -8: Bay Battery: secondary sensor
>
> +- 1: CPU
> +- 2: Main Battery: main sensor
> +- 3: Power Converter
> +- 4: Bay Battery: main sensor
> +- 5: MCH (northbridge)
> +- 6: PCMCIA/ambient
> +- 7: Main Battery: secondary sensor
> +- 8: Bay Battery: secondary sensor
> +
> +
> +Procfs notes
> +^^^^^^^^^^^^
>
> -Procfs notes:
> Readings from sensors that are not available return -128.
> No commands can be written to this file.
>
> -Sysfs notes:
> +Sysfs notes
> +^^^^^^^^^^^
> +
> Sensors that are not available return the ENXIO error. This
> status may change at runtime, as there are hotplug thermal
> sensors, like those inside the batteries and docks.
> @@ -921,6 +973,7 @@ ftp://ftp.suse.com/pub/people/trenn/sources/ec
>
> Use it to determine the register holding the fan
> speed on some models. To do that, do the following:
> +
> - make sure the battery is fully charged
> - make sure the fan is running
> - use above mentioned tool to read out the EC
> @@ -941,6 +994,7 @@ LCD brightness control
> ----------------------
>
> procfs: /proc/acpi/ibm/brightness
> +
> sysfs backlight device "thinkpad_screen"
>
> This feature allows software control of the LCD brightness on ThinkPad
> @@ -985,15 +1039,17 @@ brightness_enable=0 forces it to be disabled. brightness_enable=1
> forces it to be enabled when available, even if the standard ACPI
> interface is also available.
>
> -Procfs notes:
> +Procfs notes
> +^^^^^^^^^^^^
>
> - The available commands are:
> +The available commands are::
>
> echo up >/proc/acpi/ibm/brightness
> echo down >/proc/acpi/ibm/brightness
> echo 'level <level>' >/proc/acpi/ibm/brightness
>
> -Sysfs notes:
> +Sysfs notes
> +^^^^^^^^^^^
>
> The interface is implemented through the backlight sysfs class, which is
> poorly documented at this time.
> @@ -1038,6 +1094,7 @@ Volume control (Console Audio control)
> --------------------------------------
>
> procfs: /proc/acpi/ibm/volume
> +
> ALSA: "ThinkPad Console Audio Control", default ID: "ThinkPadEC"
>
> NOTE: by default, the volume control interface operates in read-only
> @@ -1053,7 +1110,8 @@ Software volume control should be done only in the main AC97/HDA
> mixer.
>
>
> -About the ThinkPad Console Audio control:
> +About the ThinkPad Console Audio control
> +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> ThinkPads have a built-in amplifier and muting circuit that drives the
> console headphone and speakers. This circuit is after the main AC97
> @@ -1092,13 +1150,14 @@ normal key presses to the operating system (thinkpad-acpi is not
> involved).
>
>
> -The ThinkPad-ACPI volume control:
> +The ThinkPad-ACPI volume control
> +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> The preferred way to interact with the Console Audio control is the
> ALSA interface.
>
> The legacy procfs interface allows one to read the current state,
> -and if volume control is enabled, accepts the following commands:
> +and if volume control is enabled, accepts the following commands::
>
> echo up >/proc/acpi/ibm/volume
> echo down >/proc/acpi/ibm/volume
> @@ -1137,13 +1196,15 @@ Fan control and monitoring: fan speed, fan enable/disable
> ---------------------------------------------------------
>
> procfs: /proc/acpi/ibm/fan
> -sysfs device attributes: (hwmon "thinkpad") fan1_input, pwm1,
> - pwm1_enable, fan2_input
> +
> +sysfs device attributes: (hwmon "thinkpad") fan1_input, pwm1, pwm1_enable, fan2_input
> +
> sysfs hwmon driver attributes: fan_watchdog
>
> -NOTE NOTE NOTE: fan control operations are disabled by default for
> -safety reasons. To enable them, the module parameter "fan_control=1"
> -must be given to thinkpad-acpi.
> +NOTE NOTE NOTE:
> + fan control operations are disabled by default for
> + safety reasons. To enable them, the module parameter "fan_control=1"
> + must be given to thinkpad-acpi.
>
> This feature attempts to show the current fan speed, control mode and
> other fan data that might be available. The speed is read directly
> @@ -1154,7 +1215,8 @@ value on other models.
> Some Lenovo ThinkPads support a secondary fan. This fan cannot be
> controlled separately, it shares the main fan control.
>
> -Fan levels:
> +Fan levels
> +^^^^^^^^^^
>
> Most ThinkPad fans work in "levels" at the firmware interface. Level 0
> stops the fan. The higher the level, the higher the fan speed, although
> @@ -1209,9 +1271,10 @@ therefore, not suitable to protect against fan mode changes made through
> means other than the "enable", "disable", and "level" procfs fan
> commands, or the hwmon fan control sysfs interface.
>
> -Procfs notes:
> +Procfs notes
> +^^^^^^^^^^^^
>
> -The fan may be enabled or disabled with the following commands:
> +The fan may be enabled or disabled with the following commands::
>
> echo enable >/proc/acpi/ibm/fan
> echo disable >/proc/acpi/ibm/fan
> @@ -1219,7 +1282,7 @@ The fan may be enabled or disabled with the following commands:
> Placing a fan on level 0 is the same as disabling it. Enabling a fan
> will try to place it in a safe level if it is too slow or disabled.
>
> -The fan level can be controlled with the command:
> +The fan level can be controlled with the command::
>
> echo 'level <level>' > /proc/acpi/ibm/fan
>
> @@ -1231,7 +1294,7 @@ compatibility.
>
> On the X31 and X40 (and ONLY on those models), the fan speed can be
> controlled to a certain degree. Once the fan is running, it can be
> -forced to run faster or slower with the following command:
> +forced to run faster or slower with the following command::
>
> echo 'speed <speed>' > /proc/acpi/ibm/fan
>
> @@ -1241,13 +1304,14 @@ effect or the fan speed eventually settles somewhere in that range. The
> fan cannot be stopped or started with this command. This functionality
> is incomplete, and not available through the sysfs interface.
>
> -To program the safety watchdog, use the "watchdog" command.
> +To program the safety watchdog, use the "watchdog" command::
>
> echo 'watchdog <interval in seconds>' > /proc/acpi/ibm/fan
>
> If you want to disable the watchdog, use 0 as the interval.
>
> -Sysfs notes:
> +Sysfs notes
> +^^^^^^^^^^^
>
> The sysfs interface follows the hwmon subsystem guidelines for the most
> part, and the exception is the fan safety watchdog.
> @@ -1261,10 +1325,10 @@ to the firmware).
> Features not yet implemented by the driver return ENOSYS.
>
> hwmon device attribute pwm1_enable:
> - 0: PWM offline (fan is set to full-speed mode)
> - 1: Manual PWM control (use pwm1 to set fan level)
> - 2: Hardware PWM control (EC "auto" mode)
> - 3: reserved (Software PWM control, not implemented yet)
> + - 0: PWM offline (fan is set to full-speed mode)
> + - 1: Manual PWM control (use pwm1 to set fan level)
> + - 2: Hardware PWM control (EC "auto" mode)
> + - 3: reserved (Software PWM control, not implemented yet)
>
> Modes 0 and 2 are not supported by all ThinkPads, and the
> driver is not always able to detect this. If it does know a
> @@ -1304,7 +1368,9 @@ WAN
> ---
>
> procfs: /proc/acpi/ibm/wan
> +
> sysfs device attribute: wwan_enable (deprecated)
> +
> sysfs rfkill class: switch "tpacpi_wwan_sw"
>
> This feature shows the presence and current state of the built-in
> @@ -1316,22 +1382,24 @@ so it is kept across reboots and power-off.
> It was tested on a Lenovo ThinkPad X60. It should probably work on other
> ThinkPad models which come with this module installed.
>
> -Procfs notes:
> +Procfs notes
> +^^^^^^^^^^^^
>
> -If the W-WAN card is installed, the following commands can be used:
> +If the W-WAN card is installed, the following commands can be used::
>
> echo enable > /proc/acpi/ibm/wan
> echo disable > /proc/acpi/ibm/wan
>
> -Sysfs notes:
> +Sysfs notes
> +^^^^^^^^^^^
>
> If the W-WAN card is installed, it can be enabled /
> disabled through the "wwan_enable" thinkpad-acpi device
> attribute, and its current status can also be queried.
>
> enable:
> - 0: disables WWAN card / WWAN card is disabled
> - 1: enables WWAN card / WWAN card is enabled.
> + - 0: disables WWAN card / WWAN card is disabled
> + - 1: enables WWAN card / WWAN card is enabled.
>
> Note: this interface has been superseded by the generic rfkill
> class. It has been deprecated, and it will be removed in year
> @@ -1354,7 +1422,8 @@ sysfs rfkill class: switch "tpacpi_uwb_sw"
> This feature exports an rfkill controller for the UWB device, if one is
> present and enabled in the BIOS.
>
> -Sysfs notes:
> +Sysfs notes
> +^^^^^^^^^^^
>
> rfkill controller switch "tpacpi_uwb_sw": refer to
> Documentation/rfkill.txt for details.
> @@ -1368,11 +1437,11 @@ This sysfs attribute controls the keyboard "face" that will be shown on the
> Lenovo X1 Carbon 2nd gen (2014)'s adaptive keyboard. The value can be read
> and set.
>
> -1 = Home mode
> -2 = Web-browser mode
> -3 = Web-conference mode
> -4 = Function mode
> -5 = Layflat mode
> +- 1 = Home mode
> +- 2 = Web-browser mode
> +- 3 = Web-conference mode
> +- 4 = Function mode
> +- 5 = Layflat mode
>
> For more details about which buttons will appear depending on the mode, please
> review the laptop's user guide:
> @@ -1382,13 +1451,13 @@ Multiple Commands, Module Parameters
> ------------------------------------
>
> Multiple commands can be written to the proc files in one shot by
> -separating them with commas, for example:
> +separating them with commas, for example::
>
> echo enable,0xffff > /proc/acpi/ibm/hotkey
> echo lcd_disable,crt_enable > /proc/acpi/ibm/video
>
> Commands can also be specified when loading the thinkpad-acpi module,
> -for example:
> +for example::
>
> modprobe thinkpad_acpi hotkey=enable,0xffff video=auto_disable
>
> @@ -1397,14 +1466,16 @@ Enabling debugging output
> -------------------------
>
> The module takes a debug parameter which can be used to selectively
> -enable various classes of debugging output, for example:
> +enable various classes of debugging output, for example::
>
> modprobe thinkpad_acpi debug=0xffff
>
> will enable all debugging output classes. It takes a bitmask, so
> to enable more than one output class, just add their values.
>
> + ============= ======================================
> Debug bitmask Description
> + ============= ======================================
> 0x8000 Disclose PID of userspace programs
> accessing some functions of the driver
> 0x0001 Initialization and probing
> @@ -1415,6 +1486,7 @@ to enable more than one output class, just add their values.
> 0x0010 Fan control
> 0x0020 Backlight brightness
> 0x0040 Audio mixer/volume control
> + ============= ======================================
>
> There is also a kernel build option to enable more debugging
> information, which may be necessary to debug driver problems.
> @@ -1432,8 +1504,10 @@ the module parameter force_load=1. Regardless of whether this works or
> not, please contact ibm-acpi-devel@...ts.sourceforge.net with a report.
>
>
> -Sysfs interface changelog:
> +Sysfs interface changelog
> +^^^^^^^^^^^^^^^^^^^^^^^^^
>
> +========= ===============================================================
> 0x000100: Initial sysfs support, as a single platform driver and
> device.
> 0x000200: Hot key support for 32 hot keys, and radio slider switch
> @@ -1485,3 +1559,4 @@ Sysfs interface changelog:
> 0x030000: Thermal and fan sysfs attributes were moved to the hwmon
> device instead of being attached to the backing platform
> device.
> +========= ===============================================================
> diff --git a/Documentation/laptops/toshiba_haps.txt b/Documentation/laptops/toshiba_haps.rst
> similarity index 60%
> rename from Documentation/laptops/toshiba_haps.txt
> rename to Documentation/laptops/toshiba_haps.rst
> index 0c1d88dedbde..11dfc428c080 100644
> --- a/Documentation/laptops/toshiba_haps.txt
> +++ b/Documentation/laptops/toshiba_haps.rst
> @@ -1,18 +1,19 @@
> -Kernel driver toshiba_haps
> +====================================
> Toshiba HDD Active Protection Sensor
> ====================================
>
> +Kernel driver: toshiba_haps
> +
> Author: Azael Avalos <coproscefalo@...il.com>
>
>
> -0. Contents
> ------------
> +.. 0. Contents
>
> -1. Description
> -2. Interface
> -3. Accelerometer axes
> -4. Supported devices
> -5. Usage
> + 1. Description
> + 2. Interface
> + 3. Accelerometer axes
> + 4. Supported devices
> + 5. Usage
>
>
> 1. Description
> @@ -32,17 +33,20 @@ file to set the desired protection level or sensor sensibility.
> ------------
>
> This device comes with 3 methods:
> -_STA - Checks existence of the device, returning Zero if the device does not
> +
> +==== =====================================================================
> +_STA Checks existence of the device, returning Zero if the device does not
> exists or is not supported.
> -PTLV - Sets the desired protection level.
> -RSSS - Shuts down the HDD protection interface for a few seconds,
> +PTLV Sets the desired protection level.
> +RSSS Shuts down the HDD protection interface for a few seconds,
> then restores normal operation.
> +==== =====================================================================
>
> Note:
> -The presence of Solid State Drives (SSD) can make this driver to fail loading,
> -given the fact that such drives have no movable parts, and thus, not requiring
> -any "protection" as well as failing during the evaluation of the _STA method
> -found under this device.
> + The presence of Solid State Drives (SSD) can make this driver to fail loading,
> + given the fact that such drives have no movable parts, and thus, not requiring
> + any "protection" as well as failing during the evaluation of the _STA method
> + found under this device.
>
>
> 3. Accelerometer axes
> @@ -66,11 +70,18 @@ conventional HDD and not only SSD, or a combination of both HDD and SSD.
> --------
>
> The sysfs files under /sys/devices/LNXSYSTM:00/LNXSYBUS:00/TOS620A:00/ are:
> -protection_level - The protection_level is readable and writeable, and
> +
> +================ ============================================================
> +protection_level The protection_level is readable and writeable, and
> provides a way to let userspace query the current protection
> level, as well as set the desired protection level, the
> available protection levels are:
> - 0 - Disabled | 1 - Low | 2 - Medium | 3 - High
> -reset_protection - The reset_protection entry is writeable only, being "1"
> +
> + ============ ======= ========== ========
> + 0 - Disabled 1 - Low 2 - Medium 3 - High
> + ============ ======= ========== ========
> +
> +reset_protection The reset_protection entry is writeable only, being "1"
> the only parameter it accepts, it is used to trigger
> a reset of the protection interface.
> +================ ============================================================
> diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
> index 749322060f10..c5f0d44433a2 100644
> --- a/Documentation/sysctl/vm.txt
> +++ b/Documentation/sysctl/vm.txt
> @@ -102,7 +102,7 @@ Changing this takes effect whenever an application requests memory.
> block_dump
>
> block_dump enables block I/O debugging when set to a nonzero value. More
> -information on block I/O debugging is in Documentation/laptops/laptop-mode.txt.
> +information on block I/O debugging is in Documentation/laptops/laptop-mode.rst.
>
> ==============================================================
>
> @@ -286,7 +286,7 @@ shared memory segment using hugetlb page.
> laptop_mode
>
> laptop_mode is a knob that controls "laptop mode". All the things that are
> -controlled by this knob are discussed in Documentation/laptops/laptop-mode.txt.
> +controlled by this knob are discussed in Documentation/laptops/laptop-mode.rst.
>
> ==============================================================
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 73000e7d7f19..c63b1b9cbed4 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -14753,7 +14753,7 @@ M: Mattia Dongili <malattia@...ux.it>
> L: platform-driver-x86@...r.kernel.org
> W: http://www.linux.it/~malattia/wiki/index.php/Sony_drivers
> S: Maintained
> -F: Documentation/laptops/sony-laptop.txt
> +F: Documentation/laptops/sony-laptop.rst
> F: drivers/char/sonypi.c
> F: drivers/platform/x86/sony-laptop.c
> F: include/linux/sony-laptop.h
> diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
> index 466ebd84ad17..bb734066075f 100644
> --- a/drivers/char/Kconfig
> +++ b/drivers/char/Kconfig
> @@ -382,7 +382,7 @@ config SONYPI
> Device which can be found in many (all ?) Sony Vaio laptops.
>
> If you have one of those laptops, read
> - <file:Documentation/laptops/sonypi.txt>, and say Y or M here.
> + <file:Documentation/laptops/sonypi.rst>, and say Y or M here.
>
> To compile this driver as a module, choose M here: the
> module will be called sonypi.
> diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
> index 5d5cc6111081..e53c915761e7 100644
> --- a/drivers/platform/x86/Kconfig
> +++ b/drivers/platform/x86/Kconfig
> @@ -451,7 +451,7 @@ config SONY_LAPTOP
> screen brightness control, Fn keys and allows powering on/off some
> devices.
>
> - Read <file:Documentation/laptops/sony-laptop.txt> for more information.
> + Read <file:Documentation/laptops/sony-laptop.rst> for more information.
>
> config SONYPI_COMPAT
> bool "Sonypi compatibility"
> @@ -503,7 +503,7 @@ config THINKPAD_ACPI
> support for Fn-Fx key combinations, Bluetooth control, video
> output switching, ThinkLight control, UltraBay eject and more.
> For more information about this driver see
> - <file:Documentation/laptops/thinkpad-acpi.txt> and
> + <file:Documentation/laptops/thinkpad-acpi.rst> and
> <http://ibm-acpi.sf.net/> .
>
> This driver was formerly known as ibm-acpi.
> --
> 2.21.0
>
--
With Best Regards,
Andy Shevchenko
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