[PATCH v3] iio: accel: add support for the Domintech DMARD09 3-axis accelerometer

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This patch adds basic read_raw support for the DMARD09 3-axis accelerometer
which can be found in a q8 A33 Allwinner tablet. [0]

The driver is based on the Android driver which can be found on Github. [1]

Unfortunately there is no datatsheet of the DMARD09 available online.

[0] http://linux-sunxi.org/TZX-723Qa4
[1] https://github.com/JujuXIII/android_kernel_acer_v370_KK/tree/master/mediatek/custom/common/kernel/accelerometer/dmard09

Changes in v3:
  - Use get_unaligned_le16 to get the axis data from the uffer. Replicate the
  Android driver which also removes the 3 lower bits and sign extend the
  resulting data.

Jelle van der Waa (1):
  iio: accel: add support for the Domintech DMARD09 3-axis accelerometer

 .../devicetree/bindings/i2c/trivial-devices.txt    |   1 +
 .../devicetree/bindings/vendor-prefixes.txt        |   1 +
 drivers/iio/accel/Kconfig                          |  10 ++
 drivers/iio/accel/Makefile                         |   1 +
 drivers/iio/accel/dmard09.c                        | 157 +++++++++++++++++++++
 5 files changed, 170 insertions(+)
 create mode 100644 drivers/iio/accel/dmard09.c

-- 
2.9.0

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