From: Javier Martin <javier.martin@vista-silicon.com>
Date: Mon, 30 Jan 2012 12:14:11 +0000 (-0300)
Subject: [media] media i.MX27 camera: add start_stream and stop_stream callbacks
X-Git-Tag: v3.4-rc1~110^2^2~135
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fb51cbdd3ec868b903bd706aa7db065c8c36bcd4;p=pandora-kernel.git

[media] media i.MX27 camera: add start_stream and stop_stream callbacks

Add "start_stream" and "stop_stream" callback in order to enable
and disable the eMMa-PrP properly and save CPU usage avoiding
IRQs when the device is not streaming. This also makes the driver
return 0 as the sequence number of the first frame.

Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
[g.liakhovetski@gmx.de: remove the mx27_camera_emma() macro]
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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