video: sh_mobile_lcdcfb suspend/resume support

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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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Magnus Damm 2009-03-13 15:36:55 +00:00 • committed by Paul Mundt

parent 93356d0747

commit 2feb075a33

1 changed files with 59 additions and 7 deletions

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drivers/video/sh_mobile_lcdcfb.c

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