linux-kernel - [RFC PATCH v2 0/7] Introduce IIO interface for Android advanced features

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Date:	Thu,  9 Oct 2014 15:39:38 +0300
From:	Daniel Baluta <daniel.baluta@...el.com>
To:	jic23@...nel.org
Cc:	irina.tirdea@...el.com, daniel.baluta@...el.com,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [RFC PATCH v2 0/7] Introduce IIO interface for Android advanced features

This patchset introduces a new interface for supporting some of the composite
sensors in Android [1]. First supported sensors are activity and pedometer.

This is a follow up of the discussion about adding new channels to IIO
initiated some time ago on IIO list [2].

A device that has the activity/pedometer functionality is Freescale's MMA9553L ([3]).

Because we don't have yet the hardware, to demonstrate these new channels we 
update iio_dummy kernel module and iio_event_monitor test program. We want
to get an early feedback about extending the IIO interface in the correct
direction.

[1] http://source.android.com/devices/sensors/composite_sensors.html
[2] http://marc.info/?l=linux-iio&m=138374342831057&w=2
[3] http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf

Changes since v1 (mostly based on comments from Jonathan)

	* introduce TRANSITION event instead of MOTION to better
	represent multilevel state change
	* remove pedometer channel type and steps modifier and replace it 
	with steps channel type
	* squashed together patches introducing channels and associated events
	* introduced IIO_EV_DIR_NONE
	* changed cover letter subject to reflect the changes

Daniel Baluta (4):
  iio: dummy: Add virtual registers for dummy device
  iio: core: Introduce IIO_ACTIVITY channel and TRANSITION event
  iio: dummy: Demonstrate the usage of new channel types
  iio: event_monitor: Add support for new channel types

Irina Tirdea (3):
  iio: core: Introduce IIO_EV_DIR_NONE
  iio: core: Introduce STEPS channel type, ENABLE mask and INSTANCE
    event
  iio: core: Introduce HEIGHT channel type

 Documentation/ABI/testing/sysfs-bus-iio            |  75 ++++++++
 drivers/iio/industrialio-core.c                    |   8 +
 drivers/iio/industrialio-event.c                   |  14 +-
 .../staging/iio/Documentation/iio_event_monitor.c  |  25 ++-
 drivers/staging/iio/iio_dummy_evgen.c              |  16 ++
 drivers/staging/iio/iio_dummy_evgen.h              |   6 +
 drivers/staging/iio/iio_simple_dummy.c             | 199 +++++++++++++++++++--
 drivers/staging/iio/iio_simple_dummy.h             |   7 +
 drivers/staging/iio/iio_simple_dummy_events.c      |  61 ++++++-
 include/linux/iio/iio.h                            |   1 +
 include/linux/iio/types.h                          |  12 +-
 11 files changed, 393 insertions(+), 31 deletions(-)

-- 
1.9.1

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