staging: iio: ad2s1200: Use devm_* APIs
authorSachin Kamat <sachin.kamat@linaro.org>
Wed, 11 Sep 2013 09:55:00 +0000 (10:55 +0100)
committerJonathan Cameron <jic23@kernel.org>
Sat, 14 Sep 2013 10:46:26 +0000 (11:46 +0100)
devm_* APIs are device managed and make code simpler.
This patch also fixes the missing gpio_free call in remove.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Graff Yang <graff.yang@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

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