From 86cf786c04541c18febc897686a0d5bea29ce688 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Sun, 28 Nov 2010 15:07:20 -0300 Subject: [PATCH] [media] v4l: mt9v032: Fix Bayer pattern Compute crop rectangle boundaries to ensure a GRBG Bayer pattern. Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/mt9v032.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/media/video/mt9v032.c b/drivers/media/video/mt9v032.c index 1319c2c..c64e1dc 100644 --- a/drivers/media/video/mt9v032.c +++ b/drivers/media/video/mt9v032.c @@ -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), -- 2.7.4