From: Alex Deucher <alexdeucher@gmail.com>
Date: Wed, 23 Dec 2009 08:23:21 +0000 (-0500)
Subject: drm/radeon/kms: add support for hw i2c on r1xx-r5xx
X-Git-Tag: v2.6.34-rc1~209^2~10^2~64
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=40bacf1631a3e8654b1128aa9b72e73ca801c9e4;p=pandora-kernel.git

drm/radeon/kms: add support for hw i2c on r1xx-r5xx

wire hw i2c support into radeon i2c algo.

fixes merged:
- handle bus probing correctly
- use meaningful error numbers
- abort if transaction fails
- The line mapping is different depending on the asic.
- protect hw i2c engine with a mutex
- rs300 doesn't have a pin select bit
- r200 has a different pin select setup

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

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