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 <[email protected]> Cc: Daniel Baluta <[email protected]> --- drivers/iio/adc/ad7266.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c index 21e19b6..01240ae 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') -- 2.1.4
