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Commit c70df20e authored by Alison Schofield's avatar Alison Schofield Committed by Jonathan Cameron
Browse files

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: default avatarAlison Schofield <amsfield22@gmail.com>
Acked-by: default avatarDaniel Baluta <daniel.baluta@gmail.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 14f295c8

drivers/iio/adc/ad7266.c

+3 −4
Original line number Original line Diff line number Diff line
@@ -154,12 +154,11 @@ static int ad7266_read_raw(struct iio_dev *indio_dev, 




	switch (m) {

	switch (m) {

	case IIO_CHAN_INFO_RAW:

	case IIO_CHAN_INFO_RAW:

		if (iio_buffer_enabled(indio_dev))

		ret = iio_device_claim_direct_mode(indio_dev);

			return -EBUSY;



		ret = ad7266_read_single(st, val, chan->address);

		if (ret)

		if (ret)

			return ret;

			return ret;

		ret = ad7266_read_single(st, val, chan->address);

		iio_device_release_direct_mode(indio_dev);





		*val = (*val >> 2) & 0xfff;

		*val = (*val >> 2) & 0xfff;

		if (chan->scan_type.sign == 's')

		if (chan->scan_type.sign == 's')