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Message-ID: <b81da639-0ec5-bb30-1f77-b71d8e7ad434@secretlab.ca>
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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