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[media] v4l: mt9v032: Fix Bayer pattern 

Compute crop rectangle boundaries to ensure a GRBG Bayer pattern.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Laurent Pinchart 2010-11-28 15:07:20 -03:00 committed by Mauro Carvalho Chehab
parent 7c58e7d06c
commit 86cf786c04
1 changed files with 10 additions and 10 deletions
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20
drivers/media/video/mt9v032.c
View File

@ -31,14 +31,14 @@
#define MT9V032_CHIP_VERSION 0x00
#define MT9V032_CHIP_ID_REV1 0x1311
#define MT9V032_CHIP_ID_REV3 0x1313
#define MT9V032_ROW_START 0x01
#define MT9V032_ROW_START_MIN 4
#define MT9V032_ROW_START_DEF 10
#define MT9V032_ROW_START_MAX 482
#define MT9V032_COLUMN_START 0x02
#define MT9V032_COLUMN_START 0x01
#define MT9V032_COLUMN_START_MIN 1
#define MT9V032_COLUMN_START_DEF 2
#define MT9V032_COLUMN_START_DEF 1
#define MT9V032_COLUMN_START_MAX 752
#define MT9V032_ROW_START 0x02
#define MT9V032_ROW_START_MIN 4
#define MT9V032_ROW_START_DEF 5
#define MT9V032_ROW_START_MAX 482
#define MT9V032_WINDOW_HEIGHT 0x03
#define MT9V032_WINDOW_HEIGHT_MIN 1
#define MT9V032_WINDOW_HEIGHT_DEF 480
@ -420,13 +420,13 @@ static int mt9v032_set_crop(struct v4l2_subdev *subdev,
struct v4l2_rect *__crop;
struct v4l2_rect rect;
/* Clamp the crop rectangle boundaries and align them to a multiple of 2
* pixels.
/* Clamp the crop rectangle boundaries and align them to a non multiple
* of 2 pixels to ensure a GRBG Bayer pattern.
*/
rect.left = clamp(ALIGN(crop->rect.left, 2),
rect.left = clamp(ALIGN(crop->rect.left + 1, 2) - 1,
MT9V032_COLUMN_START_MIN,
MT9V032_COLUMN_START_MAX);
rect.top = clamp(ALIGN(crop->rect.top, 2),
rect.top = clamp(ALIGN(crop->rect.top + 1, 2) - 1,
MT9V032_ROW_START_MIN,
MT9V032_ROW_START_MAX);
rect.width = clamp(ALIGN(crop->rect.width, 2),