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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2012-07-18 15:58:21 +0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 22:10:18 +0200
commit9f717e9022d60fb653bad47a320bf0499c6fb549 (patch)
tree3c1e0f724f6494bf105f6b96ebf3ca66f244ffd5 /drivers/media/i2c
parent[media] ov772x: Don't fail in s_fmt if the requested format isn't supported (diff)
downloadlinux-9f717e9022d60fb653bad47a320bf0499c6fb549.tar.xz
linux-9f717e9022d60fb653bad47a320bf0499c6fb549.zip
[media] ov772x: try_fmt must not default to the current format
If the requested format isn't supported, return a fixed default format instead of the current format. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/i2c')
-rw-r--r--drivers/media/i2c/soc_camera/ov772x.c36
1 files changed, 7 insertions, 29 deletions
diff --git a/drivers/media/i2c/soc_camera/ov772x.c b/drivers/media/i2c/soc_camera/ov772x.c
index c7bb988e295e..c02676b023f2 100644
--- a/drivers/media/i2c/soc_camera/ov772x.c
+++ b/drivers/media/i2c/soc_camera/ov772x.c
@@ -919,38 +919,16 @@ static int ov772x_s_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *mf)
static int ov772x_try_fmt(struct v4l2_subdev *sd,
struct v4l2_mbus_framefmt *mf)
{
- struct ov772x_priv *priv = container_of(sd, struct ov772x_priv, subdev);
+ const struct ov772x_color_format *cfmt;
const struct ov772x_win_size *win;
- int i;
-
- /*
- * select suitable win
- */
- win = ov772x_select_win(mf->width, mf->height);
- mf->width = win->width;
- mf->height = win->height;
- mf->field = V4L2_FIELD_NONE;
-
- for (i = 0; i < ARRAY_SIZE(ov772x_cfmts); i++)
- if (mf->code == ov772x_cfmts[i].code)
- break;
+ ov772x_select_params(mf, &cfmt, &win);
- if (i == ARRAY_SIZE(ov772x_cfmts)) {
- /* Unsupported format requested. Propose either */
- if (priv->cfmt) {
- /* the current one or */
- mf->colorspace = priv->cfmt->colorspace;
- mf->code = priv->cfmt->code;
- } else {
- /* the default one */
- mf->colorspace = ov772x_cfmts[0].colorspace;
- mf->code = ov772x_cfmts[0].code;
- }
- } else {
- /* Also return the colorspace */
- mf->colorspace = ov772x_cfmts[i].colorspace;
- }
+ mf->code = cfmt->code;
+ mf->width = win->width;
+ mf->height = win->height;
+ mf->field = V4L2_FIELD_NONE;
+ mf->colorspace = cfmt->colorspace;
return 0;
}