iio: iio: Fix iio_channel_read return if channel havn't info
authorFabien Proriol <fabien.proriol@jdsu.com>
Thu, 1 Jan 2015 12:46:48 +0000 (12:46 +0000)
committerJonathan Cameron <jic23@kernel.org>
Thu, 1 Jan 2015 12:46:48 +0000 (12:46 +0000)
commit65de7654d39c70c2b942f801cea01590cf7e3458
treefdb99856165a72ffa2b217c9fddc66e22caa5116
parent2eacc608b3bf3519fc353c558454873f4589146d
iio: iio: Fix iio_channel_read return if channel havn't info

When xilinx-xadc is used with hwmon driver to read voltage, offset used
for temperature is always applied whatever the channel.

iio_channel_read must return an error to avoid offset for channel
without IIO_CHAN_INFO_OFFSET property.

Signed-off-by: Fabien Proriol <fabien.proriol@jdsu.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
drivers/iio/inkern.c