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[media] staging: media: omap4iss: video: Don't WARN() on unknown pixel formats 

When mapping from a V4L2 pixel format to a media bus format in the
VIDIOC_TRY_FMT and VIDIOC_S_FMT handlers, the requested format may be
unsupported by the driver. Return a hardcoded default format instead of
WARN()ing in that case.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Laurent Pinchart 2015-03-03 08:08:42 -03:00 committed by Mauro Carvalho Chehab
parent 9d9104fb9d
commit ac0eb4809e
1 changed files with 4 additions and 4 deletions
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8
drivers/staging/media/omap4iss/iss_video.c
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@ -171,14 +171,14 @@ static void iss_video_pix_to_mbus(const struct v4l2_pix_format *pix,
mbus->width = pix->width;
mbus->height = pix->height;
for (i = 0; i < ARRAY_SIZE(formats); ++i) {
/* Skip the last format in the loop so that it will be selected if no
* match is found.
*/
for (i = 0; i < ARRAY_SIZE(formats) - 1; ++i) {
if (formats[i].pixelformat == pix->pixelformat)
break;
}
if (WARN_ON(i == ARRAY_SIZE(formats)))
return;
mbus->code = formats[i].code;
mbus->colorspace = pix->colorspace;
mbus->field = pix->field;