iio: adc: mpc3422: Use get_unaligned_beXX()

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>

diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c
index ea24d7c58b12707fab8d2726e37ff2bef5c32ede..d86c0b5d80a3d843089d66fce5980307b40e4270 100644 (file)
--- a/drivers/iio/adc/mcp3422.c
+++ b/drivers/iio/adc/mcp3422.c
@@ -19,6 +19,7 @@
 #include <linux/delay.h>
 #include <linux/sysfs.h>
 #include <linux/of.h>
+#include <asm/unaligned.h>
 
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
@@ -117,11 +118,11 @@ static int mcp3422_read(struct mcp3422 *adc, int *value, u8 *config)
 
        if (sample_rate == MCP3422_SRATE_3) {
                ret = i2c_master_recv(adc->i2c, buf, 4);
-               temp = buf[0] << 16 | buf[1] << 8 | buf[2];
+               temp = get_unaligned_be24(&buf[0]);
                *config = buf[3];
        } else {
                ret = i2c_master_recv(adc->i2c, buf, 3);
-               temp = buf[0] << 8 | buf[1];
+               temp = get_unaligned_be16(&buf[0]);
                *config = buf[2];
        }