Radeon Contrast Changes - Revision history

Bkuhn: /* Native LVDS Contrast on Radeon */ Added links to list posts

2009-01-12T01:06:05Z

‎Native LVDS Contrast on Radeon: Added links to list posts

Bkuhn: /* Native LVDS Contrast on Radeon */ Added link for ddccontrol

2009-01-11T20:39:07Z

‎Native LVDS Contrast on Radeon: Added link for ddccontrol

Bkuhn: fix links

2009-01-11T20:11:55Z

fix links

Bkuhn: Added page about LVDS contrast

2009-01-11T20:03:44Z

Added page about LVDS contrast

New page

= Changing Native LVDS Contrast on Thinkpads =

== XVideo Contrast ==

The xvattr program can be used to change the contrast of videos being played with programs like wxvlc and mplayer.

== Native LVDS Contrast on Radeon ==

On many thinkpad models, the LVDS panel contrast cannot be changed using standard tools. In Microsoft Windows, this is done with the proprietary ATI configuration program. However, neither fglrx nor the radeon driver can do this.

The best options to try is the ddccontrol program, which is quite old and probably will not work.

It seems the i2c interface could be used to do this, and that's what ddccontrol uses, could be used directly with programs like i2cset, but this seems not to work.

The [[http://cgit.freedesktop.org/~airlied/radeontool new radeontool]],
[[https://launchpad.net/ubuntu/jaunty/+source/radeontool/1.5+git76606164-0ubuntu1 which is scheduled to go into jaunty]], may be the best hope to be able to control this.

← Older revision		Revision as of 01:06, 12 January 2009
Line 15:		Line 15:
	The [http://cgit.freedesktop.org/~airlied/radeontool new radeontool],		The [http://cgit.freedesktop.org/~airlied/radeontool new radeontool],
	[https://launchpad.net/ubuntu/jaunty/+source/radeontool/1.5+git76606164-0ubuntu1 which is scheduled to go into jaunty], may be the best hope to be able to control this.		[https://launchpad.net/ubuntu/jaunty/+source/radeontool/1.5+git76606164-0ubuntu1 which is scheduled to go into jaunty], may be the best hope to be able to control this.
		+
		+	[http://sourceforge.net/mailarchive/forum.php?thread_name=87sknp39q2.fsf%40maple.sflc-vpn&forum_name=ddccontrol-users This post to ddccontrol-usrs] talks about trying to make ddccontrol do this, and [http://lists.x.org/archives/xorg-driver-ati/2009-January/007889.html this post to xorg-driver-ati] notes the same problem.

@@ Line 9: / Line 9: @@
 On many thinkpad models, the LVDS panel contrast cannot be changed using standard tools.  In Microsoft Windows, this is done with the proprietary ATI configuration program.  However, neither fglrx nor the radeon driver can do this.
-The best options to try is the ddccontrol program, which is quite old and probably will not work.
+The best options to try is the [http://ddccontrol.sourceforge.net/ ddccontrol] program, which is quite old and probably will not work.
 It seems the i2c interface could be used to do this, and that's what ddccontrol uses, could be used directly with programs like i2cset, but this seems not to work.

@@ Line 13: / Line 13: @@
 It seems the i2c interface could be used to do this, and that's what ddccontrol uses, could be used directly with programs like i2cset, but this seems not to work.
-The [[http://cgit.freedesktop.org/~airlied/radeontool new radeontool]],
+The [http://cgit.freedesktop.org/~airlied/radeontool new radeontool],
-[[https://launchpad.net/ubuntu/jaunty/+source/radeontool/1.5+git76606164-0ubuntu1 which is scheduled to go into jaunty]], may be the best hope to be able to control this.
+[https://launchpad.net/ubuntu/jaunty/+source/radeontool/1.5+git76606164-0ubuntu1 which is scheduled to go into jaunty], may be the best hope to be able to control this.