tree f68d30e9dae116c42b7119cc032dcba97c4fb2d6
parent 5e5c1f21585694fd2585b79aba0339736c85dc90
author Song Bing <bing.song@nxp.com> 1440053866 +0800
committer Lyon Wang <lyon.wang@nxp.com> 1500966744 +0800

poll: Add check if can read event API

Need check if can read event of buffer for video decoder based on
V4L2 driver. Add the API for it.

https://bugzilla.gnome.org/show_bug.cgi?id=752962

Upstream status: pending

Signed-off-by: Song Bing bing.song@nxp.com