diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2013-01-09 21:31:00 +0400 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-02-09 15:08:42 +0400 |
| commit | 14543a00fc3ce6dac9f297535c502a0085a50467 (patch) | |
| tree | 1c244bcc56bd4a48ee2c305856457d102d6eccbe /drivers/iio/dac/ad5421.c | |
| parent | 6d9eecd418afb2c12e5db5be3d72f0f1df43bdd9 (diff) | |
| download | linux-14543a00fc3ce6dac9f297535c502a0085a50467.tar.xz | |
iio: Use spi_sync_transfer()
Use the new spi_sync_transfer() helper function instead of open-coding it.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/dac/ad5421.c')
| -rw-r--r-- | drivers/iio/dac/ad5421.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/iio/dac/ad5421.c b/drivers/iio/dac/ad5421.c index 43be948db83e..6b86a638dad0 100644 --- a/drivers/iio/dac/ad5421.c +++ b/drivers/iio/dac/ad5421.c @@ -127,7 +127,6 @@ static int ad5421_write(struct iio_dev *indio_dev, unsigned int reg, static int ad5421_read(struct iio_dev *indio_dev, unsigned int reg) { struct ad5421_state *st = iio_priv(indio_dev); - struct spi_message m; int ret; struct spi_transfer t[] = { { @@ -140,15 +139,11 @@ static int ad5421_read(struct iio_dev *indio_dev, unsigned int reg) }, }; - spi_message_init(&m); - spi_message_add_tail(&t[0], &m); - spi_message_add_tail(&t[1], &m); - mutex_lock(&indio_dev->mlock); st->data[0].d32 = cpu_to_be32((1 << 23) | (reg << 16)); - ret = spi_sync(st->spi, &m); + ret = spi_sync_transfer(st->spi, t, ARRAY_SIZE(t)); if (ret >= 0) ret = be32_to_cpu(st->data[1].d32) & 0xffff; |