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authorSeung-Woo Kim <sw0312.kim@samsung.com>2013-05-21 06:47:30 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-06-03 22:30:47 +0400
commit57183467c09555d985ae62b79c754e64279381df (patch)
tree7430fce648ebdd8e75dfee5c251814c0d35cf93f /include/media
parent412cb87d28a1f299ee82fe1c8bfe6cbeec9a4655 (diff)
downloadlinux-57183467c09555d985ae62b79c754e64279381df.tar.xz
[media] media: v4l2-mem2mem: return for polling if a buffer is available
The v4l2_m2m_poll() does not need to wait if there is already a buffer in done_list of source and destination queues, but current v4l2_m2m_poll() always waits. So done_list of each queue is checked before calling poll_wait(). Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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