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Subject: media: em28xx: use a default format if TRY_FMT fails Author: Mauro Carvalho Chehab mchehab+samsung@kernel.org Date: Thu Sep 13 23:22:40 2018 -0400
Follow the V4L2 spec, as warned by v4l2-compliance:
warn: v4l2-test-formats.cpp(732): TRY_FMT cannot handle an invalid pixelformat. warn: v4l2-test-formats.cpp(733): This may or may not be a problem. For more information see:
warn: v4l2-test-formats.cpp(734): http://www.mail-archive.com/linux-media@vger.kernel.org/msg56550.html
Cc: stable@vger.kernel.org Fixes: bddcf63313c6 ("V4L/DVB (9927): em28xx: use a more standard way to specify video formats") Signed-off-by: Mauro Carvalho Chehab mchehab+samsung@kernel.org
drivers/media/usb/em28xx/em28xx-video.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index fbdfe6762cb2..4b08da45032d 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -1471,9 +1471,9 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
fmt = format_by_fourcc(f->fmt.pix.pixelformat); if (!fmt) { - em28xx_videodbg("Fourcc format (%08x) invalid.\n", - f->fmt.pix.pixelformat); - return -EINVAL; + fmt = &format[0]; + em28xx_videodbg("Fourcc format (%08x) invalid. Using default (%08x).\n", + f->fmt.pix.pixelformat, fmt->fourcc); }
if (dev->board.is_em2800) {