Commit 66a18916 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron
Browse files

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: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 476b9547

drivers/iio/dac/ad5449.c

+1 −6
Original line number Diff line number Diff line
@@ -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;