From: Petter Reinholdtsen
Update 2013-07-19: The correct fix for this machine seem to be +acpi_backlight=vendor, to disable ACPI backlight support completely, +as the ACPI information on the machine is trash and it is better to +leave it to the intel video driver to control the screen +backlight.
diff --git a/blog/archive/2013/06/06.rss b/blog/archive/2013/06/06.rss index 5551ea7cbc..2e90ddaaa8 100644 --- a/blog/archive/2013/06/06.rss +++ b/blog/archive/2013/06/06.rss @@ -480,6 +480,12 @@ developers did to handle this, and this can give a clue to the KDE developers? Or you know where in KDE the screen brightness is changed during login? If so, please update the BTS report (or get in touch if you do not know how to update BTS).</p> + +<p>Update 2013-07-19: The correct fix for this machine seem to be +acpi_backlight=vendor, to disable ACPI backlight support completely, +as the ACPI information on the machine is trash and it is better to +leave it to the intel video driver to control the screen +backlight.</p> diff --git a/blog/archive/2013/06/index.html b/blog/archive/2013/06/index.html index eb651dc415..d0c91950eb 100644 --- a/blog/archive/2013/06/index.html +++ b/blog/archive/2013/06/index.html @@ -547,6 +547,12 @@ developers? Or you know where in KDE the screen brightness is changed during login? If so, please update the BTS report (or get in touch if you do not know how to update BTS). +Update 2013-07-19: The correct fix for this machine seem to be +acpi_backlight=vendor, to disable ACPI backlight support completely, +as the ACPI information on the machine is trash and it is better to +leave it to the intel video driver to control the screen +backlight.
+