diff options
| author | Alison Schofield <amsfield22@gmail.com> | 2016-05-24 21:16:23 +0200 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2016-05-29 19:01:13 +0200 |
| commit | c70df20e31595cf696c8b4f50fc7d82b69f3dd5c (patch) | |
| tree | e21548ca98f0e864838aea850411c86be66301e5 /drivers/iio/adc/ad7266.c | |
| parent | iio:st_sensors: fix power regulator usage (diff) | |
| download | linux-c70df20e31595cf696c8b4f50fc7d82b69f3dd5c.tar.xz linux-c70df20e31595cf696c8b4f50fc7d82b69f3dd5c.zip | |
iio: adc: ad7266: claim direct mode during sensor read
Driver was checking for direct mode but not locking it down.
Use iio_device_claim_direct_mode() to guarantee device stays
in direct mode.
Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Acked-by: Daniel Baluta <daniel.baluta@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/adc/ad7266.c')
| -rw-r--r-- | drivers/iio/adc/ad7266.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c index 21e19b60e2b9..01240aeeeab0 100644 --- a/drivers/iio/adc/ad7266.c +++ b/drivers/iio/adc/ad7266.c @@ -154,12 +154,11 @@ static int ad7266_read_raw(struct iio_dev *indio_dev, switch (m) { case IIO_CHAN_INFO_RAW: - if (iio_buffer_enabled(indio_dev)) - return -EBUSY; - - ret = ad7266_read_single(st, val, chan->address); + ret = iio_device_claim_direct_mode(indio_dev); if (ret) return ret; + ret = ad7266_read_single(st, val, chan->address); + iio_device_release_direct_mode(indio_dev); *val = (*val >> 2) & 0xfff; if (chan->scan_type.sign == 's') |