iio: add documentation for current attribute
authorJacob Pan <jacob.jun.pan@linux.intel.com>
Wed, 17 Sep 2014 00:11:00 +0000 (01:11 +0100)
committerJonathan Cameron <jic23@kernel.org>
Sun, 21 Sep 2014 13:02:18 +0000 (14:02 +0100)
Add documentation for input current raw sysfs attribute.

Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

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