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v4l2: make gst_v4l2_fill_lists() adapt to kernel 3.3+

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When do v4l2_ioctl() with VIDIOC_ENUMINPUT fails on some devices,
kernels before 3.3.0 return EINVAL, but newer kernels return ENOTTY.
This patch make those devices work well on kernel 3.3+.

Related kernel commit:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=07d106d0a33d6063d2061305903deb02489eba20

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Rui Wang <wangr@lemote.com>
Signed-off-by: Jie Chen <chenj@lemote.com>
This commit is contained in:
Huacai Chen 2012-08-21 19:47:45 +08:00 committed by Tim-Philipp Müller
parent bce47066ca
commit 05d4f81834
1 changed files with 1 additions and 1 deletions
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2
sys/v4l2/v4l2_calls.c
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@ -129,7 +129,7 @@ gst_v4l2_fill_lists (GstV4l2Object * v4l2object)
input.index = n;
if (v4l2_ioctl (v4l2object->video_fd, VIDIOC_ENUMINPUT, &input) < 0) {
if (errno == EINVAL)
if (errno == EINVAL || errno == ENOTTY)
break; /* end of enumeration */
else {
GST_ELEMENT_ERROR (e, RESOURCE, SETTINGS,