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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-10-22 09:57:54 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-11-07 14:27:29 +0100 |
| commit | c27e3050378ec0d96d964cbf18746a30ad00ab9f (patch) | |
| tree | 9521555d4d322e88ecd6767b0a1913fa11309579 /drivers/media/video/mt9p031.c | |
| parent | [media] OMAP_VOUT: Increase MAX_DISPLAYS to a larger value (diff) | |
| download | linux-c27e3050378ec0d96d964cbf18746a30ad00ab9f.tar.xz linux-c27e3050378ec0d96d964cbf18746a30ad00ab9f.zip | |
[media] v4l: mt9p031/mt9t001: Use i2c_smbus_{read|write}_word_swapped()
The MT9P031 and MT9T001 sensors transfer 16-bit data on the I2C bus in
swapped order. Let the I2C core handle byte order by using the
i2c_smbus_{read|write}_word_swapped() functions.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/mt9p031.c')
| -rw-r--r-- | drivers/media/video/mt9p031.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/media/video/mt9p031.c b/drivers/media/video/mt9p031.c index 73c068993f05..93c3ec7426e8 100644 --- a/drivers/media/video/mt9p031.c +++ b/drivers/media/video/mt9p031.c @@ -132,13 +132,12 @@ static struct mt9p031 *to_mt9p031(struct v4l2_subdev *sd) static int mt9p031_read(struct i2c_client *client, u8 reg) { - s32 data = i2c_smbus_read_word_data(client, reg); - return data < 0 ? data : be16_to_cpu(data); + return i2c_smbus_read_word_swapped(client, reg); } static int mt9p031_write(struct i2c_client *client, u8 reg, u16 data) { - return i2c_smbus_write_word_data(client, reg, cpu_to_be16(data)); + return i2c_smbus_write_word_swapped(client, reg, data); } static int mt9p031_set_output_control(struct mt9p031 *mt9p031, u16 clear, |