From: Bruno Prémont <bonbons@linux-vserver.org>
Date: Tue, 30 Mar 2010 20:34:30 +0000 (+0200)
Subject: HID: add framebuffer support to PicoLCD device
X-Git-Tag: v2.6.35-rc1~454^2~1^3~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b8c21cf697d165999cc21a90e6caa73690ac6190;p=pandora-kernel.git

HID: add framebuffer support to PicoLCD device

Add framebuffer support to PicoLCD device with use of deferred-io.

Only changed areas of framebuffer get sent to device in order to
save USB bandwidth and especially resources on PicoLCD device or
allow higher refresh rate for a small area. Changed tiles are
determined while updating shadow framebuffer.

Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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