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iio: ak8975: Support adapters limited to BYTE_DATA
authorCrestez Dan Leonard <leonard.crestez@intel.com>
Fri, 29 Apr 2016 19:05:32 +0000 (22:05 +0300)
committerJonathan Cameron <jic23@kernel.org>
Sun, 1 May 2016 16:54:38 +0000 (17:54 +0100)
commita8175ba33542d625430b66a805ef315ea3b4e755
treec28511b9b8fa1c0f0604cdc43cc519d23b87a378tree | snapshot
parentfbced0e9465152d628ece5fd0d11de4e7a1f5ce5commit | diff
iio: ak8975: Support adapters limited to BYTE_DATA

The device has simple 8-bit registers but the driver incorrectly uses
block or word reads without checking functionality bits.

Fix by using i2c_smbus_read_i2c_block_data_or_emulated instead of
i2c_smbus_read_i2c_block_data or i2c_smbus_read_word_data. This will
check functionality bits and use the fastest available transfer method.

Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
drivers/iio/magnetometer/ak8975.c diff | blob | history
Domain: System / Kernel;