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@xxxxxxxxxxxxxxxx>
---
drivers/staging/media/omap4iss/iss_video.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c
index 6955044..e949b6f 100644
--- a/drivers/staging/media/omap4iss/iss_video.c
+++ b/drivers/staging/media/omap4iss/iss_video.c
@@ -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;
--
Regards,
Laurent Pinchart
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