media: i2c: imx290: Make use of get_unaligned_le24(), put_unaligned_le24()
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Thu, 9 Feb 2023 22:12:05 +0000 (23:12 +0100)
committerMauro Carvalho Chehab <mchehab@kernel.org>
Mon, 20 Mar 2023 07:33:19 +0000 (08:33 +0100)
Since we have a proper endianness converters for LE 24-bit data use them.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
drivers/media/i2c/imx290.c

index 48ae2e0..3aca65c 100644 (file)
@@ -16,6 +16,9 @@
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
 #include <linux/regulator/consumer.h>
+
+#include <asm/unaligned.h>
+
 #include <media/media-entity.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
@@ -466,18 +469,20 @@ static int __always_unused imx290_read(struct imx290 *imx290, u32 addr, u32 *val
                return ret;
        }
 
-       *value = (data[2] << 16) | (data[1] << 8) | data[0];
+       *value = get_unaligned_le24(data);
        return 0;
 }
 
 static int imx290_write(struct imx290 *imx290, u32 addr, u32 value, int *err)
 {
-       u8 data[3] = { value & 0xff, (value >> 8) & 0xff, value >> 16 };
+       u8 data[3];
        int ret;
 
        if (err && *err)
                return *err;
 
+       put_unaligned_le24(value, data);
+
        ret = regmap_raw_write(imx290->regmap, addr & IMX290_REG_ADDR_MASK,
                               data, (addr >> IMX290_REG_SIZE_SHIFT) & 3);
        if (ret < 0) {