Commit 6267ea65 authored by Manuel Stahl's avatar Manuel Stahl Committed by Greg Kroah-Hartman
Browse files

staging: iio: sca3000 convert byte order of ring buffer data 



Signed-off-by: default avatarManuel Stahl <manuel.stahl@iis.fraunhofer.de>
Acked-by: default avatarJonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent b68d58a8

drivers/staging/iio/accel/sca3000_ring.c

+13 −1
Original line number Diff line number Diff line
@@ -53,7 +53,8 @@ static int sca3000_rip_hw_rb(struct iio_ring_buffer *r, 
	struct iio_dev *indio_dev = hw_ring->private;

	struct sca3000_state *st = indio_dev->dev_data;

	u8 *rx;

	int ret, num_available, num_read = 0;

	s16 *samples;

	int ret, i, num_available, num_read = 0;

	int bytes_per_sample = 1;



	if (st->bpse == 11)
@@ -87,6 +88,17 @@ static int sca3000_rip_hw_rb(struct iio_ring_buffer *r, 
	ret = sca3000_read_data(st,

				SCA3000_REG_ADDR_RING_OUT,

				data, num_read);



	/* Convert byte order and shift to default resolution */

	if (st->bpse == 11) {

		samples = (s16*)(*data+1);

		for (i = 0; i < (num_read/2); i++) {

			samples[i] = be16_to_cpup(

					(__be16 *)&(samples[i]));

			samples[i] >>= 3;

		}

	}



error_ret:

	mutex_unlock(&st->lock);