[PATCH v2 1/1] media: i2c: imx290: Make use of get_unaligned_le24(), put_unaligned_le24()

Andy Shevchenko
2023-02-09T22:11:34Z

Since we have a proper endianness converters for LE 24-bit data use them.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
v2: dropped unrelated noise from the commit message (Laurent)
drivers/media/i2c/imx290.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c
index 49d6c8bdec41..330098a0772d 100644
--- a/drivers/media/i2c/imx290.c
+++ b/drivers/media/i2c/imx290.c
@@ -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) {
--
2.39.1