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Commit f25330f6 authored by Peter Meerwald's avatar Peter Meerwald Committed by Jonathan Cameron
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iio:magnetometer:mag3110: Report busy in _read_raw() / write_raw() when buffer is enabled 



individual reads are not permitted concurrently with buffered reads

Signed-off-by: default avatarPeter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 6b89db36

drivers/iio/magnetometer/mag3110.c

+6 −0
Original line number Diff line number Diff line
@@ -154,6 +154,9 @@ static int mag3110_read_raw(struct iio_dev *indio_dev, 


	switch (mask) {

	case IIO_CHAN_INFO_RAW:

		if (iio_buffer_enabled(indio_dev))

			return -EBUSY;



		switch (chan->type) {

		case IIO_MAGN: /* in 0.1 uT / LSB */

			ret = mag3110_read(data, buffer);
@@ -199,6 +202,9 @@ static int mag3110_write_raw(struct iio_dev *indio_dev, 
	struct mag3110_data *data = iio_priv(indio_dev);

	int rate;



	if (iio_buffer_enabled(indio_dev))

		return -EBUSY;



	switch (mask) {

	case IIO_CHAN_INFO_SAMP_FREQ:

		rate = mag3110_get_samp_freq_index(data, val, val2);