From: Magnus Damm <damm@igel.co.jp>
Date: Fri, 13 Mar 2009 15:36:55 +0000 (+0000)
Subject: video: sh_mobile_lcdcfb suspend/resume support
X-Git-Tag: v2.6.30-rc1~673^2~22
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2feb075a33905c2f6ef6be484c75ba6a35f6d12d;p=pandora-kernel.git

video: sh_mobile_lcdcfb suspend/resume support

This patch adds suspend/resume support to the LCDC
driver for SuperH Mobile - sh_mobile_lcdcfb.

We simply stop hardware on suspend and start it again
on resume. For RGB panels this is trivial, but for SYS
panels in deferred io mode this becomes a bit more
difficult - we need to wait for a frame end interrupt
to make sure the clocks are balanced before stopping
the actual hardware.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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