iio: adc: ti-ads7950: Fix improper use of mlock

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Indio->mlock is used for protecting the different iio device modes.
It is currently not being used in this way. Replace the lock with
an internal lock specifically used for protecting the SPI transfer
buffer.

Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Justin Chen 2019-02-28 14:16:48 -08:00 • committed by Jonathan Cameron

parent be35d281da

commit abbde27929

1 changed files with 15 additions and 4 deletions

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drivers/iio/adc/ti-ads7950.c

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