diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2013-01-09 17:31:00 +0000 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-02-09 11:08:42 +0000 |
| commit | 14543a00fc3ce6dac9f297535c502a0085a50467 (patch) | |
| tree | 1c244bcc56bd4a48ee2c305856457d102d6eccbe /drivers/iio/dac/ad5755.c | |
| parent | 6d9eecd418afb2c12e5db5be3d72f0f1df43bdd9 (diff) | |
| download | linux-14543a00fc3ce6dac9f297535c502a0085a50467.tar.bz2 | |
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/ad5755.c')
| -rw-r--r-- | drivers/iio/dac/ad5755.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/iio/dac/ad5755.c b/drivers/iio/dac/ad5755.c index 0869bbd27d30..71faabc6b14e 100644 --- a/drivers/iio/dac/ad5755.c +++ b/drivers/iio/dac/ad5755.c @@ -153,7 +153,6 @@ static int ad5755_write_ctrl(struct iio_dev *indio_dev, unsigned int channel, static int ad5755_read(struct iio_dev *indio_dev, unsigned int addr) { struct ad5755_state *st = iio_priv(indio_dev); - struct spi_message m; int ret; struct spi_transfer t[] = { { @@ -167,16 +166,12 @@ static int ad5755_read(struct iio_dev *indio_dev, unsigned int addr) }, }; - 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(AD5755_READ_FLAG | (addr << 16)); st->data[1].d32 = cpu_to_be32(AD5755_NOOP); - 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; |