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Date: Tue, 5 Jul 2016 13:42:53 +0100 From: Grant Likely <glikely@...retlab.ca> To: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>, jikos@...nel.org, jic23@...nel.org, benjamin.tissoires@...hat.com Cc: linux-input@...r.kernel.org, linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2 0/6] Intel Integrated Sensor Hub Support (ISH) On 22/06/16 06:40, Srinivas Pandruvada wrote: > Change log > v2: > - Overview in documentation show analogy with usbhid implementation > - sparse errors for statics. Also pointed by Jiri > - Clearly marking exported function header file. Clean up all exports > unused inteface functions > - Changed to tristate from boolean as pointed by Jiri: > this required remove/unload functions > - Prevent crash when ISH enabled on non supported platform > - Break client.c to smaller part by seprating buffer allocations > - move bus register/unregister to ishtp module > - There is only one config symbol INTEL_ISH_HID, removed silent > config for TRANSPORT and IPC Tested-by: Grant Likely <grant.likely@...retlab.ca> On an HP Spectre x360 laptop using v4.7-rc5. In related news, the problem I had with the rotation events not showing up on v1 of this series went away. I don't have a reason why, it just suddenly started working. g. > > > 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. > > The user mode ABI is still same as external sensor hubs using Linux > IIO. So existing user mode software should still work. > This series primarily brings in new HID transport used in ISH. > > Thanks to the community members who tested RFC patches and provided > feedback. > > For users testing on Linux distributions using IIO sensor proxy, > a short term work around is required till we have debugged this issue. > In systemd unit file iio-sensor-proxy.service > In the section "[Unit]" add > After=multi-user.target > > 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 (3): > Documentation: hid: Intel ISH HID document > iio: hid-sensors: use asynchronous resume > hid: hid-sensor-hub: Add ISH quirk > > Documentation/hid/intel-ish-hid.txt | 449 ++++++++++ > drivers/hid/Kconfig | 2 + > drivers/hid/Makefile | 2 + > drivers/hid/hid-sensor-hub.c | 4 + > drivers/hid/intel-ish-hid/Kconfig | 17 + > drivers/hid/intel-ish-hid/Makefile | 22 + > 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 | 719 ++++++++++++++++ > drivers/hid/intel-ish-hid/ipc/pci-ish.c | 327 +++++++ > drivers/hid/intel-ish-hid/ipc/utils.h | 64 ++ > drivers/hid/intel-ish-hid/ishtp-hid-client.c | 935 +++++++++++++++++++++ > drivers/hid/intel-ish-hid/ishtp-hid.c | 234 ++++++ > drivers/hid/intel-ish-hid/ishtp-hid.h | 182 ++++ > drivers/hid/intel-ish-hid/ishtp/bus.c | 780 +++++++++++++++++ > drivers/hid/intel-ish-hid/ishtp/bus.h | 110 +++ > drivers/hid/intel-ish-hid/ishtp/client-buffers.c | 214 +++++ > drivers/hid/intel-ish-hid/ishtp/client.c | 935 +++++++++++++++++++++ > drivers/hid/intel-ish-hid/ishtp/client.h | 182 ++++ > drivers/hid/intel-ish-hid/ishtp/dma-if.c | 178 ++++ > drivers/hid/intel-ish-hid/ishtp/hbm.c | 908 ++++++++++++++++++++ > drivers/hid/intel-ish-hid/ishtp/hbm.h | 321 +++++++ > drivers/hid/intel-ish-hid/ishtp/init.c | 93 ++ > drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h | 277 ++++++ > .../iio/common/hid-sensors/hid-sensor-trigger.c | 21 +- > include/linux/hid-sensor-hub.h | 1 + > include/trace/events/intel_ish.h | 30 + > include/uapi/linux/input.h | 1 + > 28 files changed, 7298 insertions(+), 1 deletion(-) > 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-buffers.c > 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 >
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