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[media] mem2mem_testdev: pick default format with try_fmt 

This resolves an issue raised by v4l2-compliance: if the given format does
not exist, then pick a default format.

While there is an exception regarding this for TV capture drivers, this
m2m driver should do the right thing.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Hans Verkuil 2014-03-10 10:58:24 -03:00 committed by Mauro Carvalho Chehab
parent 4340583159
commit 4e8ec0a46f
1 changed files with 10 additions and 2 deletions
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12
drivers/media/platform/mem2mem_testdev.c
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@ -543,7 +543,11 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
struct m2mtest_ctx *ctx = file2ctx(file);
fmt = find_format(f);
if (!fmt || !(fmt->types & MEM2MEM_CAPTURE)) {
if (!fmt) {
f->fmt.pix.pixelformat = formats[0].fourcc;
fmt = find_format(f);
}
if (!(fmt->types & MEM2MEM_CAPTURE)) {
v4l2_err(&ctx->dev->v4l2_dev,
"Fourcc format (0x%08x) invalid.\n",
f->fmt.pix.pixelformat);
@ -561,7 +565,11 @@ static int vidioc_try_fmt_vid_out(struct file *file, void *priv,
struct m2mtest_ctx *ctx = file2ctx(file);
fmt = find_format(f);
if (!fmt || !(fmt->types & MEM2MEM_OUTPUT)) {
if (!fmt) {
f->fmt.pix.pixelformat = formats[0].fourcc;
fmt = find_format(f);
}
if (!(fmt->types & MEM2MEM_OUTPUT)) {
v4l2_err(&ctx->dev->v4l2_dev,
"Fourcc format (0x%08x) invalid.\n",
f->fmt.pix.pixelformat);