iio: adc: ti-ads1015: write config register only on change
authorLadislav Michl <ladis@linux-mips.org>
Thu, 24 Aug 2017 08:25:51 +0000 (10:25 +0200)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 3 Sep 2017 17:10:31 +0000 (18:10 +0100)
commitd1c11dc27e3282e787406290ead5926bb7bb4579
tree8d4f290d15b6a870d300a1da0d4402238225c497
parent4e57562b4846e42cd1c2e556f0ece18c1154e116
iio: adc: ti-ads1015: write config register only on change

There is no point writing ADS1015_CFG_REG when configuration
didn't change. Avoid that.

Cc: Daniel Baluta <daniel.baluta@gmail.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Reviewed-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/adc/ti-ads1015.c