diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2013-10-05 11:45:00 +0400 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-10-05 14:58:19 +0400 |
| commit | 66a1891642cf71877ddb89945882281f5ef28672 (patch) | |
| tree | bb17b429f7b1993ab5b856e4074d258fdb579607 /drivers/iio/dac | |
| parent | 476b9547e872c709c07a45bd47301ce7236f3dc1 (diff) | |
| download | linux-66a1891642cf71877ddb89945882281f5ef28672.tar.xz | |
iio:ad5449: Use spi_sync_transfer()
Use the spi_sync_transfer() helper function instead of open-coding it. Makes
the code a bit shorter.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/dac')
| -rw-r--r-- | drivers/iio/dac/ad5449.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/iio/dac/ad5449.c b/drivers/iio/dac/ad5449.c index fff7d0762c0c..82e208f6cde2 100644 --- a/drivers/iio/dac/ad5449.c +++ b/drivers/iio/dac/ad5449.c @@ -101,7 +101,6 @@ static int ad5449_read(struct iio_dev *indio_dev, unsigned int addr, { struct ad5449 *st = iio_priv(indio_dev); int ret; - struct spi_message msg; struct spi_transfer t[] = { { .tx_buf = &st->data[0], @@ -114,15 +113,11 @@ static int ad5449_read(struct iio_dev *indio_dev, unsigned int addr, }, }; - spi_message_init(&msg); - spi_message_add_tail(&t[0], &msg); - spi_message_add_tail(&t[1], &msg); - mutex_lock(&indio_dev->mlock); st->data[0] = cpu_to_be16(addr << 12); st->data[1] = cpu_to_be16(AD5449_CMD_NOOP); - ret = spi_sync(st->spi, &msg); + ret = spi_sync_transfer(st->spi, t, ARRAY_SIZE(t)); if (ret < 0) goto out_unlock; |