From: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Tue, 21 May 2013 02:47:30 +0000 (-0300)
Subject: [media] media: v4l2-mem2mem: return for polling if a buffer is available
X-Git-Tag: v3.10-rc7~29^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=57183467c09555d985ae62b79c754e64279381df;p=pandora-kernel.git

[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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