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staging:iio:dac:ad5446: Return cached value for 'raw' attribute
authorLars-Peter Clausen <lars@metafoo.de>
Wed, 25 Apr 2012 07:45:00 +0000 (09:45 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 25 Apr 2012 17:57:20 +0000 (10:57 -0700)
We can not read back the value from the device, but we cache the value anyway so
we might as well return the cached value instead of an error.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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