mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-08 15:06:39 +07:00
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>
This commit is contained in:
parent
2eacc608b3
commit
65de7654d3
@ -426,6 +426,9 @@ static int iio_channel_read(struct iio_channel *chan, int *val, int *val2,
|
||||
if (val2 == NULL)
|
||||
val2 = &unused;
|
||||
|
||||
if(!iio_channel_has_info(chan->channel, info))
|
||||
return -EINVAL;
|
||||
|
||||
if (chan->indio_dev->info->read_raw_multi) {
|
||||
ret = chan->indio_dev->info->read_raw_multi(chan->indio_dev,
|
||||
chan->channel, INDIO_MAX_RAW_ELEMENTS,
|
||||
|
Loading…
Reference in New Issue
Block a user