On 04/06/2016 06:11 AM, Alison Schofield wrote:
> Replace the code that guarantees the device stays in direct mode with
> iio_device_{claim|release}_direct_mode() which does same.
>
> Signed-off-by: Alison Schofield <amsfield22@xxxxxxxxx>
Looks good, thanks.
Acked-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
> ---
> Changed in v2:
> - removed improper application of claim/release from intr handler
> - updated changelog
>
> drivers/staging/iio/adc/ad7606_core.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/staging/iio/adc/ad7606_core.c b/drivers/staging/iio/adc/ad7606_core.c
> index 6dbc811..f79ee61 100644
> --- a/drivers/staging/iio/adc/ad7606_core.c
> +++ b/drivers/staging/iio/adc/ad7606_core.c
> @@ -88,12 +88,12 @@ static int ad7606_read_raw(struct iio_dev *indio_dev,
>
> switch (m) {
> case IIO_CHAN_INFO_RAW:
> - mutex_lock(&indio_dev->mlock);
> - if (iio_buffer_enabled(indio_dev))
> - ret = -EBUSY;
> - else
> - ret = ad7606_scan_direct(indio_dev, chan->address);
> - mutex_unlock(&indio_dev->mlock);
> + ret = iio_device_claim_direct_mode(indio_dev);
> + if (ret)
> + return ret;
> +
> + ret = ad7606_scan_direct(indio_dev, chan->address);
> + iio_device_release_direct_mode(indio_dev);
>
> if (ret < 0)
> return ret;
>
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