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Subject: media: rcar-vin: Do not enumerate unsupported pixel formats Author: Niklas Söderlund <[email protected]> Date: Sun Oct 13 21:07:50 2019 -0300 If a pixel format is not supported by the hardware NULL is returned by rvin_format_from_pixel() for that fourcc. Verify that the pixel format is supported using this or skip it when enumerating. Signed-off-by: Niklas Söderlund <[email protected]> Reviewed-by: Laurent Pinchart <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/platform/rcar-vin/rcar-v4l2.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) --- diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c index 9a9b89c0dc0b..13b7cd5d2e40 100644 --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c @@ -296,12 +296,22 @@ static int rvin_g_fmt_vid_cap(struct file *file, void *priv, static int rvin_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { - if (f->index >= ARRAY_SIZE(rvin_formats)) - return -EINVAL; - - f->pixelformat = rvin_formats[f->index].fourcc; + struct rvin_dev *vin = video_drvdata(file); + unsigned int i; + int matched; + + matched = -1; + for (i = 0; i < ARRAY_SIZE(rvin_formats); i++) { + if (rvin_format_from_pixel(vin, rvin_formats[i].fourcc)) + matched++; + + if (matched == f->index) { + f->pixelformat = rvin_formats[i].fourcc; + return 0; + } + } - return 0; + return -EINVAL; } static int rvin_g_selection(struct file *file, void *fh, _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
