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iio: dac: ltc2632: Use put_unaligned_be24()

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This makes the driver code slightly easier to read.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Andy Shevchenko 2020-04-21 03:31:23 +03:00 committed by Jonathan Cameron
parent 3321f29e4f
commit 8b26ab3347
1 changed files with 3 additions and 3 deletions
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6
drivers/iio/dac/ltc2632.c
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@ -12,6 +12,8 @@
#include <linux/iio/iio.h>
#include <linux/regulator/consumer.h>
#include <asm/unaligned.h>
#define LTC2632_CMD_WRITE_INPUT_N 0x0
#define LTC2632_CMD_UPDATE_DAC_N 0x1
#define LTC2632_CMD_WRITE_INPUT_N_UPDATE_ALL 0x2
@ -75,9 +77,7 @@ static int ltc2632_spi_write(struct spi_device *spi,
* 10-, 8-bit input code followed by 4, 6, or 8 don't care bits.
*/
data = (cmd << 20) | (addr << 16) | (val << shift);
msg[0] = data >> 16;
msg[1] = data >> 8;
msg[2] = data;
put_unaligned_be24(data, &msg[0]);
return spi_write(spi, msg, sizeof(msg));
}