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Srinivas Pandruvada 5d9854eaea iio: hid-sensor: Store restore poll and hysteresis on S3 
This change undo the change done by 'commit 3bec247474
("iio: hid-sensor-trigger: Change get poll value function order to avoid
sensor properties losing after resume from S3")' as this breaks some
USB/i2c sensor hubs.

Instead of relying on HW for restoring poll and hysteresis, driver stores
and restores on resume (S3). In this way user space modified settings are
not lost for any kind of sensor hub behavior.

In this change, whenever user space modifies sampling frequency or
hysteresis driver will get the feature value from the hub and store in the
per device hid_sensor_common data structure. On resume callback from S3,
system will set the feature to sensor hub, if user space ever modified the
feature value.

Fixes: 3bec247474 ("iio: hid-sensor-trigger: Change get poll value function order to avoid sensor properties losing after resume from S3")
Reported-by: Ritesh Raj Sarraf <rrs@researchut.com>
Tested-by: Ritesh Raj Sarraf <rrs@researchut.com>
Tested-by: Song, Hongyan <hongyan.song@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-04-08 15:13:36 +01:00
arch powerpc fixes for 4.11 #6 2017-03-26 10:34:10 -07:00
block
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Documentation Char/Misc driver fixes for 4.11-rc4 2017-03-26 11:15:54 -07:00
drivers iio: hid-sensor: Store restore poll and hysteresis on S3 2017-04-08 15:13:36 +01:00
firmware
fs driver core fix for 4.11-rc4 2017-03-26 11:05:42 -07:00
include iio: hid-sensor: Store restore poll and hysteresis on S3 2017-04-08 15:13:36 +01:00
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Makefile Linux 4.11-rc4 2017-03-26 14:15:16 -07:00
README

README 

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.