redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

iio: adc: ad7298: use iio helper function to guarantee direct mode 

Replace the code that guarantees the device stays in direct mode
with iio_device_claim_direct_mode() which does same.

Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Cc: Daniel Baluta <daniel.baluta@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
hifive-unleashed-5.1
Alison Schofield 2016-07-18 12:34:17 -07:00 committed by Jonathan Cameron
parent b4d46409d6
commit d02ec00d00
1 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/iio/adc/ad7298.c
View File

@ -239,16 +239,16 @@ static int ad7298_read_raw(struct iio_dev *indio_dev,
switch (m) { switch (m) {
case IIO_CHAN_INFO_RAW: case IIO_CHAN_INFO_RAW:
mutex_lock(&indio_dev->mlock); ret = iio_device_claim_direct_mode(indio_dev);
if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { if (ret)
ret = -EBUSY; return ret;
} else {
if (chan->address == AD7298_CH_TEMP) if (chan->address == AD7298_CH_TEMP)
ret = ad7298_scan_temp(st, val); ret = ad7298_scan_temp(st, val);
else else
ret = ad7298_scan_direct(st, chan->address); ret = ad7298_scan_direct(st, chan->address);
}
mutex_unlock(&indio_dev->mlock); iio_device_release_direct_mode(indio_dev);
if (ret < 0) if (ret < 0)
return ret; return ret;