diff options
Diffstat (limited to 'drivers/staging/iio/accel/adis16201_ring.c')
| -rw-r--r-- | drivers/staging/iio/accel/adis16201_ring.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/staging/iio/accel/adis16201_ring.c b/drivers/staging/iio/accel/adis16201_ring.c index 66e708ddf8b2..a745d5debc20 100644 --- a/drivers/staging/iio/accel/adis16201_ring.c +++ b/drivers/staging/iio/accel/adis16201_ring.c @@ -38,10 +38,12 @@ static int adis16201_read_ring_data(struct iio_dev *indio_dev, u8 *rx) xfers[i].cs_change = 1; xfers[i].len = 2; xfers[i].delay_usecs = 20; - xfers[i].tx_buf = st->tx + 2 * i; - st->tx[2 * i] = ADIS16201_READ_REG(ADIS16201_SUPPLY_OUT + - 2 * i); - st->tx[2 * i + 1] = 0; + if (i < ADIS16201_OUTPUTS) { + xfers[i].tx_buf = st->tx + 2 * i; + st->tx[2 * i] = ADIS16201_READ_REG(ADIS16201_SUPPLY_OUT + + 2 * i); + st->tx[2 * i + 1] = 0; + } if (i >= 1) xfers[i].rx_buf = rx + 2 * (i - 1); spi_message_add_tail(&xfers[i], &msg); |