staging: iio: update locking method during frequency writes

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The driver needs to insure atomicity during frequency
changes of bus and device. The iiodev->mlock as used
was not doing that. Replace it with the drivers existing
buffer lock and introduce an auxiliary spi_write() that does
not hold the lock.

Signed-off-by: Gargi Sharma <gs051095@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

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Gargi Sharma 2017-03-30 15:03:46 +05:30 • committed by Jonathan Cameron

parent 5e13b6f0e7

commit b71244b62b

1 changed files with 16 additions and 8 deletions

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drivers/staging/iio/meter/ade7754.c

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