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V4L/DVB (12526): ov772x: do not use scaling for cropping 

OV772x sensors cannot crop, they only support two fixed formats: VGA and QVGA.
We should not change the format when requested to crop, only S_FMT can do this.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Guennadi Liakhovetski 2009-08-25 11:46:53 -03:00 committed by Mauro Carvalho Chehab
parent b897a91afb
commit 94896298be
1 changed files with 8 additions and 9 deletions
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17
drivers/media/video/ov772x.c
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@ -955,23 +955,22 @@ ov772x_set_fmt_error:
return ret; return ret;
} }
/* Cannot crop, just return the current geometry */
static int ov772x_set_crop(struct soc_camera_device *icd, static int ov772x_set_crop(struct soc_camera_device *icd,
struct v4l2_rect *rect) struct v4l2_rect *rect)
{ {
struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd)); struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
struct ov772x_priv *priv = to_ov772x(client); struct ov772x_priv *priv = to_ov772x(client);
int ret;
if (!priv->fmt) if (!priv->fmt || !priv->win)
return -EINVAL; return -EINVAL;
ret = ov772x_set_params(client, &rect->width, &rect->height, rect->left = 0;
priv->fmt->fourcc); rect->top = 0;
if (!ret) { rect->width = priv->win->width;
rect->left = 0; rect->height = priv->win->height;
rect->top = 0;
} return 0;
return ret;
} }
static int ov772x_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f) static int ov772x_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f)