diff options
Diffstat (limited to 'drivers/staging/iio/imu/adis16400_ring.c')
| -rw-r--r-- | drivers/staging/iio/imu/adis16400_ring.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/staging/iio/imu/adis16400_ring.c b/drivers/staging/iio/imu/adis16400_ring.c index 33293fba9bc..da28cb4288a 100644 --- a/drivers/staging/iio/imu/adis16400_ring.c +++ b/drivers/staging/iio/imu/adis16400_ring.c @@ -122,12 +122,10 @@ static int adis16400_spi_read_burst(struct device *dev, u8 *rx) .tx_buf = st->tx, .bits_per_word = 8, .len = 2, - .cs_change = 0, }, { .rx_buf = rx, .bits_per_word = 8, .len = 24, - .cs_change = 1, }, }; @@ -162,9 +160,10 @@ static void adis16400_trigger_bh_to_ring(struct work_struct *work_s) work_trigger_to_ring); struct iio_ring_buffer *ring = st->indio_dev->ring; - int i = 0; + int i = 0, j; s16 *data; size_t datasize = ring->access.get_bytes_per_datum(ring); + unsigned long mask = ring->scan_mask; data = kmalloc(datasize , GFP_KERNEL); if (data == NULL) { @@ -174,9 +173,12 @@ static void adis16400_trigger_bh_to_ring(struct work_struct *work_s) if (ring->scan_count) if (adis16400_spi_read_burst(&st->indio_dev->dev, st->rx) >= 0) - for (; i < ring->scan_count; i++) + for (; i < ring->scan_count; i++) { + j = __ffs(mask); + mask &= ~(1 << j); data[i] = be16_to_cpup( - (__be16 *)&(st->rx[i*2])); + (__be16 *)&(st->rx[j*2])); + } /* Guaranteed to be aligned with 8 byte boundary */ if (ring->scan_timestamp) |