From d2fa63d2d155c366dfa9615b55ba7deb4bdb9489 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Tue, 21 Apr 2020 03:31:29 +0300
Subject: [PATCH] iio: light: zopt2201: Use get_unaligned_le24()

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>
---
 drivers/iio/light/zopt2201.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/light/zopt2201.c b/drivers/iio/light/zopt2201.c
index 5f54f39e7a4c4..80ae530720cdb 100644
--- a/drivers/iio/light/zopt2201.c
+++ b/drivers/iio/light/zopt2201.c
@@ -19,6 +19,8 @@
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 
+#include <asm/unaligned.h>
+
 #define ZOPT2201_DRV_NAME "zopt2201"
 
 /* Registers */
@@ -219,7 +221,7 @@ static int zopt2201_read(struct zopt2201_data *data, u8 reg)
 		goto fail;
 	mutex_unlock(&data->lock);
 
-	return (buf[2] << 16) | (buf[1] << 8) | buf[0];
+	return get_unaligned_le24(&buf[0]);
 
 fail:
 	mutex_unlock(&data->lock);
-- 
2.30.2