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iio: Use spi_sync_transfer()

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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>
This commit is contained in:
Lars-Peter Clausen
2013-01-09 17:31:00 +00:00
committed by Jonathan Cameron
parent 6d9eecd418
commit 14543a00fc
10 changed files with 11 additions and 61 deletions
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6
drivers/iio/dac/ad5791.c
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@@ -125,7 +125,6 @@ static int ad5791_spi_read(struct spi_device *spi, u8 addr, u32 *val)
u8 d8[4];
} data[3];
int ret;
struct spi_message msg;
struct spi_transfer xfers[] = {
{
.tx_buf = &data[0].d8[1],
@@ -144,10 +143,7 @@ static int ad5791_spi_read(struct spi_device *spi, u8 addr, u32 *val)
AD5791_ADDR(addr));
data[1].d32 = cpu_to_be32(AD5791_ADDR(AD5791_ADDR_NOOP));
spi_message_init(&msg);
spi_message_add_tail(&xfers[0], &msg);
spi_message_add_tail(&xfers[1], &msg);
ret = spi_sync(spi, &msg);
ret = spi_sync_transfer(spi, xfers, ARRAY_SIZE(xfers));
*val = be32_to_cpu(data[2].d32);