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Date: Thu, 09 Jun 2016 14:54:47 -0700 From: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com> To: Grant Likely <grant.likely@...retlab.ca> Cc: Jiri Kosina <jikos@...nel.org>, benjamin.tissoires@...hat.com, Jonathan Cameron <jic23@...nel.org>, "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>, linux-iio@...r.kernel.org, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, chaya.golan@...el.com, daniel.drubin@...el.com, Darren Hart <darren@...art.com> Subject: Re: [RFC 0/4] Intel Integrated Sensor Hub Support (ISH) Hi, On Thu, 2016-06-09 at 22:45 +0100, Grant Likely wrote: > On Tue, May 31, 2016 at 5:27 AM, Srinivas Pandruvada > <srinivas.pandruvada@...ux.intel.com> wrote: > > > > Starting from Cherrytrail, multiple generation of Intel processors > > offers > > on package sensor hub. Several recent tablets, 2-in-1 convertible > > laptops > > are using ISH instead of external sensor hubs. This resulted in > > lack of > > support of sensor function like device rotation and auto backlight > > adjustment. In addition, depending on the OEM implementation, > > support of ISH > > is required to support low power sleep states. > > > > The support of ISH on Linux platforms is not new. Android platforms > > with > > Intel SoCs had this support for a while submitted by Daniel Drubin. > > This patcheset is reusing most of those changes with clean up and > > removing Android platform specific changes. > Hi Srinivas, > > Thanks for this patch series. I've got an HP Spectre x360 G2 > (skylake), and I've built a 4.6.0 kernel with this driver patched in. > It detects the sensors hub, and creates IIO devices under > /sys/bus/iio/devices: > > $ ls /sys/bus/iio/devices/ > iio:device0 iio:device1 iio:device2 iio:device3 iio:device4 > iio:device5 iio:device6 iio:device7 iio:device8 iio:device9 > trigger0 trigger1 trigger2 trigger3 trigger4 trigger5 trigger6 > trigger7 trigger8 trigger9 > > However, I haven't figured out how to test it yet. (This is the first > time I'm working with IIO). Do you have any test code or test > procedures to show if it is working? > If you use Fedora 23 (or any distro with iio-sensor-proxy with gnome rotation stuff), you should be able to do screen rotation and brightness using ALS. Each of these folders should have some raw sysfs files in_xxx_raw_xx You should be able to use "cat" on them. Thanks, Srinivas > Thanks, > g. > > > > > > > This series is tested on: > > - Lenovo Yoga 260 with Skylake processor > > - HP Pavilion x2 detachable with Cherrytrail > > > > The user mode ABI is still same as external sensor hubs using Linux > > IIO. So existing user mode software should still work without > > change. > > This series primarily brings in new HID transport used in ISH. > > > > This series submitted as a RFC to try on several devices. We have > > received request from Linux users who wanted this support. So I > > hope all > > those users try and give feedback. > > > > Daniel Drubin (3): > > hid: intel_ish-hid: ISH Transport layer > > hid: intel-ish-hid: ipc layer > > hid: intel-ish-hid: ISH HID client driver > > > > Srinivas Pandruvada (1): > > Documentation: hid: Intel ISH HID document > > > > Documentation/hid/intel-ish-hid.txt | 375 +++++++++ > > drivers/hid/Kconfig | 2 + > > drivers/hid/Makefile | 2 + > > drivers/hid/intel-ish-hid/Kconfig | 27 + > > drivers/hid/intel-ish-hid/Makefile | 20 + > > drivers/hid/intel-ish-hid/ipc/hw-ish-regs.h | 220 +++++ > > drivers/hid/intel-ish-hid/ipc/hw-ish.h | 71 ++ > > drivers/hid/intel-ish-hid/ipc/ipc.c | 710 > > ++++++++++++++++ > > drivers/hid/intel-ish-hid/ipc/pci-ish.c | 238 ++++++ > > drivers/hid/intel-ish-hid/ipc/utils.h | 65 ++ > > drivers/hid/intel-ish-hid/ishtp-hid-client.c | 672 > > +++++++++++++++ > > drivers/hid/intel-ish-hid/ishtp-hid.c | 201 +++++ > > drivers/hid/intel-ish-hid/ishtp-hid.h | 157 ++++ > > drivers/hid/intel-ish-hid/ishtp/bus.c | 670 > > +++++++++++++++ > > drivers/hid/intel-ish-hid/ishtp/bus.h | 99 +++ > > drivers/hid/intel-ish-hid/ishtp/client.c | 1131 > > ++++++++++++++++++++++++++ > > drivers/hid/intel-ish-hid/ishtp/client.h | 196 +++++ > > drivers/hid/intel-ish-hid/ishtp/dma-if.c | 175 ++++ > > drivers/hid/intel-ish-hid/ishtp/hbm.c | 911 > > +++++++++++++++++++++ > > drivers/hid/intel-ish-hid/ishtp/hbm.h | 319 ++++++++ > > drivers/hid/intel-ish-hid/ishtp/init.c | 94 +++ > > drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h | 276 +++++++ > > include/trace/events/intel_ish.h | 30 + > > 23 files changed, 6661 insertions(+) > > create mode 100644 Documentation/hid/intel-ish-hid.txt > > create mode 100644 drivers/hid/intel-ish-hid/Kconfig > > create mode 100644 drivers/hid/intel-ish-hid/Makefile > > create mode 100644 drivers/hid/intel-ish-hid/ipc/hw-ish-regs.h > > create mode 100644 drivers/hid/intel-ish-hid/ipc/hw-ish.h > > create mode 100644 drivers/hid/intel-ish-hid/ipc/ipc.c > > create mode 100644 drivers/hid/intel-ish-hid/ipc/pci-ish.c > > create mode 100644 drivers/hid/intel-ish-hid/ipc/utils.h > > create mode 100644 drivers/hid/intel-ish-hid/ishtp-hid-client.c > > create mode 100644 drivers/hid/intel-ish-hid/ishtp-hid.c > > create mode 100644 drivers/hid/intel-ish-hid/ishtp-hid.h > > create mode 100644 drivers/hid/intel-ish-hid/ishtp/bus.c > > create mode 100644 drivers/hid/intel-ish-hid/ishtp/bus.h > > create mode 100644 drivers/hid/intel-ish-hid/ishtp/client.c > > create mode 100644 drivers/hid/intel-ish-hid/ishtp/client.h > > create mode 100644 drivers/hid/intel-ish-hid/ishtp/dma-if.c > > create mode 100644 drivers/hid/intel-ish-hid/ishtp/hbm.c > > create mode 100644 drivers/hid/intel-ish-hid/ishtp/hbm.h > > create mode 100644 drivers/hid/intel-ish-hid/ishtp/init.c > > create mode 100644 drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h > > create mode 100644 include/trace/events/intel_ish.h > > > > -- > > 1.9.1 > >
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