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Message-ID: <51FB107D.8020804@gmail.com>
Date: Fri, 02 Aug 2013 09:50:53 +0800
From: Aaron Lu <aaron.lwe@...il.com>
To: Felipe Contreras <felipe.contreras@...il.com>
CC: linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
"Rafael J. Wysocki" <rjw@...k.pl>, Len Brown <lenb@...nel.org>,
Zhang Rui <rui.zhang@...el.com>,
Jiri Kosina <trivial@...nel.org>
Subject: Re: [PATCH 1/3] acpi: video: trivial costmetic cleanups
On 08/02/2013 07:43 AM, Felipe Contreras wrote:
> Signed-off-by: Felipe Contreras <felipe.contreras@...il.com>
Please add change log explaining what you have changed.
It seems that the patch modify comment style only, some add a space and
some change spaces to tab, is it the case?
Thanks,
Aaron
> ---
> drivers/acpi/video.c | 114 +++++++++++++++++++++++++++------------------------
> 1 file changed, 61 insertions(+), 53 deletions(-)
>
> diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
> index 0ec434d..f021bf4 100644
> --- a/drivers/acpi/video.c
> +++ b/drivers/acpi/video.c
> @@ -1,5 +1,5 @@
> /*
> - * video.c - ACPI Video Driver ($Revision:$)
> + * video.c - ACPI Video Driver
> *
> * Copyright (C) 2004 Luming Yu <luming.yu@...el.com>
> * Copyright (C) 2004 Bruno Ducrot <ducrot@...pinou.org>
> @@ -118,26 +118,26 @@ struct acpi_video_bus_flags {
> };
>
> struct acpi_video_bus_cap {
> - u8 _DOS:1; /*Enable/Disable output switching */
> - u8 _DOD:1; /*Enumerate all devices attached to display adapter */
> - u8 _ROM:1; /*Get ROM Data */
> - u8 _GPD:1; /*Get POST Device */
> - u8 _SPD:1; /*Set POST Device */
> - u8 _VPO:1; /*Video POST Options */
> + u8 _DOS:1; /* Enable/Disable output switching */
> + u8 _DOD:1; /* Enumerate all devices attached to display adapter */
> + u8 _ROM:1; /* Get ROM Data */
> + u8 _GPD:1; /* Get POST Device */
> + u8 _SPD:1; /* Set POST Device */
> + u8 _VPO:1; /* Video POST Options */
> u8 reserved:2;
> };
>
> struct acpi_video_device_attrib {
> u32 display_index:4; /* A zero-based instance of the Display */
> - u32 display_port_attachment:4; /*This field differentiates the display type */
> - u32 display_type:4; /*Describe the specific type in use */
> - u32 vendor_specific:4; /*Chipset Vendor Specific */
> - u32 bios_can_detect:1; /*BIOS can detect the device */
> - u32 depend_on_vga:1; /*Non-VGA output device whose power is related to
> + u32 display_port_attachment:4; /* This field differentiates the display type */
> + u32 display_type:4; /* Describe the specific type in use */
> + u32 vendor_specific:4; /* Chipset Vendor Specific */
> + u32 bios_can_detect:1; /* BIOS can detect the device */
> + u32 depend_on_vga:1; /* Non-VGA output device whose power is related to
> the VGA device. */
> - u32 pipe_id:3; /*For VGA multiple-head devices. */
> - u32 reserved:10; /*Must be 0 */
> - u32 device_id_scheme:1; /*Device ID Scheme */
> + u32 pipe_id:3; /* For VGA multiple-head devices. */
> + u32 reserved:10; /* Must be 0 */
> + u32 device_id_scheme:1; /* Device ID Scheme */
> };
>
> struct acpi_video_enumerated_device {
> @@ -174,17 +174,17 @@ struct acpi_video_device_flags {
> };
>
> struct acpi_video_device_cap {
> - u8 _ADR:1; /*Return the unique ID */
> - u8 _BCL:1; /*Query list of brightness control levels supported */
> - u8 _BCM:1; /*Set the brightness level */
> + u8 _ADR:1; /* Return the unique ID */
> + u8 _BCL:1; /* Query list of brightness control levels supported */
> + u8 _BCM:1; /* Set the brightness level */
> u8 _BQC:1; /* Get current brightness level */
> u8 _BCQ:1; /* Some buggy BIOS uses _BCQ instead of _BQC */
> - u8 _DDC:1; /*Return the EDID for this device */
> + u8 _DDC:1; /* Return the EDID for this device */
> };
>
> struct acpi_video_brightness_flags {
> u8 _BCL_no_ac_battery_levels:1; /* no AC/Battery levels in _BCL */
> - u8 _BCL_reversed:1; /* _BCL package is in a reversed order*/
> + u8 _BCL_reversed:1; /* _BCL package is in a reversed order */
> u8 _BCL_use_index:1; /* levels in _BCL are index values */
> u8 _BCM_use_index:1; /* input of _BCM is an index value */
> u8 _BQC_use_index:1; /* _BQC returns an index value */
> @@ -231,7 +231,7 @@ static int acpi_video_get_next_level(struct acpi_video_device *device,
> static int acpi_video_switch_brightness(struct acpi_video_device *device,
> int event);
>
> -/*backlight device sysfs support*/
> +/* backlight device sysfs support */
> static int acpi_video_get_brightness(struct backlight_device *bd)
> {
> unsigned long long cur_level;
> @@ -243,8 +243,10 @@ static int acpi_video_get_brightness(struct backlight_device *bd)
> return -EINVAL;
> for (i = 2; i < vd->brightness->count; i++) {
> if (vd->brightness->levels[i] == cur_level)
> - /* The first two entries are special - see page 575
> - of the ACPI spec 3.0 */
> + /*
> + * The first two entries are special - see page 575
> + * of the ACPI spec 3.0
> + */
> return i-2;
> }
> return 0;
> @@ -316,9 +318,11 @@ static const struct thermal_cooling_device_ops video_cooling_ops = {
> .set_cur_state = video_set_cur_state,
> };
>
> -/* --------------------------------------------------------------------------
> - Video Management
> - -------------------------------------------------------------------------- */
> +/*
> + * --------------------------------------------------------------------------
> + * Video Management
> + * --------------------------------------------------------------------------
> + */
>
> static int
> acpi_video_device_lcd_query_levels(struct acpi_video_device *device,
> @@ -556,7 +560,8 @@ acpi_video_device_lcd_get_level_current(struct acpi_video_device *device,
> buf));
> device->cap._BQC = device->cap._BCQ = 0;
> } else {
> - /* Fixme:
> + /*
> + * Fixme:
> * should we return an error or ignore this failure?
> * dev->brightness->curr is a cached value which stores
> * the correct current backlight level in most cases.
> @@ -615,8 +620,8 @@ acpi_video_device_EDID(struct acpi_video_device *device,
>
> /*
> * Arg:
> - * video : video bus device pointer
> - * bios_flag :
> + * video : video bus device pointer
> + * bios_flag :
> * 0. The system BIOS should NOT automatically switch(toggle)
> * the active display output.
> * 1. The system BIOS should automatically switch (toggle) the
> @@ -628,9 +633,9 @@ acpi_video_device_EDID(struct acpi_video_device *device,
> * lcd_flag :
> * 0. The system BIOS should automatically control the brightness level
> * of the LCD when the power changes from AC to DC
> - * 1. The system BIOS should NOT automatically control the brightness
> + * 1. The system BIOS should NOT automatically control the brightness
> * level of the LCD when the power changes from AC to DC.
> - * Return Value:
> + * Return Value:
> * -EINVAL wrong arg.
> */
>
> @@ -717,8 +722,8 @@ static int acpi_video_bqc_quirk(struct acpi_video_device *device,
>
>
> /*
> - * Arg:
> - * device : video output device (LCD, CRT, ..)
> + * Arg:
> + * device : video output device (LCD, CRT, ..)
> *
> * Return Value:
> * Maximum brightness level
> @@ -877,7 +882,7 @@ out:
> * device : video output device (LCD, CRT, ..)
> *
> * Return Value:
> - * None
> + * None
> *
> * Find out all required AML methods defined under the output
> * device.
> @@ -988,11 +993,11 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
> }
>
> /*
> - * Arg:
> - * device : video output device (VGA)
> + * Arg:
> + * device : video output device (VGA)
> *
> * Return Value:
> - * None
> + * None
> *
> * Find out all required AML methods defined under the video bus device.
> */
> @@ -1039,7 +1044,8 @@ static int acpi_video_bus_check(struct acpi_video_bus *video)
> return -ENODEV;
> pci_dev_put(dev);
>
> - /* Since there is no HID, CID and so on for VGA driver, we have
> + /*
> + * Since there is no HID, CID and so on for VGA driver, we have
> * to check well known required nodes.
> */
>
> @@ -1069,9 +1075,11 @@ static int acpi_video_bus_check(struct acpi_video_bus *video)
> return status;
> }
>
> -/* --------------------------------------------------------------------------
> - Driver Interface
> - -------------------------------------------------------------------------- */
> +/*
> + * --------------------------------------------------------------------------
> + * Driver Interface
> + * --------------------------------------------------------------------------
> + */
>
> /* device interface */
> static struct acpi_video_device_attrib*
> @@ -1192,12 +1200,12 @@ acpi_video_bus_get_one_device(struct acpi_device *device,
>
> /*
> * Arg:
> - * video : video bus device
> + * video : video bus device
> *
> * Return:
> - * none
> - *
> - * Enumerate the video device list of the video bus,
> + * none
> + *
> + * Enumerate the video device list of the video bus,
> * bind the ids with the corresponding video devices
> * under the video bus.
> */
> @@ -1216,13 +1224,13 @@ static void acpi_video_device_rebind(struct acpi_video_bus *video)
>
> /*
> * Arg:
> - * video : video bus device
> - * device : video output device under the video
> - * bus
> + * video : video bus device
> + * device : video output device under the video
> + * bus
> *
> * Return:
> - * none
> - *
> + * none
> + *
> * Bind the ids with the corresponding video devices
> * under the video bus.
> */
> @@ -1245,11 +1253,11 @@ acpi_video_device_bind(struct acpi_video_bus *video,
>
> /*
> * Arg:
> - * video : video bus device
> + * video : video bus device
> *
> * Return:
> - * < 0 : error
> - *
> + * < 0 : error
> + *
> * Call _DOD to enumerate all devices attached to display adapter
> *
> */
>
--
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