Re: Check for ACPI backlight support otherwise use vendor ACPIdrivers - version 2

nokos
2008-08-01T09:32:58Z

Am Freitag, den 01.08.2008, 09:28 +0800 schrieb Zhang Rui:
> >
> > BTW. the DRDY detection (for IGD) works ... now I have to find the IGD
> > patches ... couldn't find them on the list and the version of
> > linux-next
> > I tried didn't contain anything which looked like it.
> You can get them here.
> http://cgit.freedesktop.org/mesa/drm/diff/?id=dfd441cf964f20e4a761cb8490d7cd82cf32e7b9
>
> don't know if this is the latest version, cc Matthew and Jessie.

I tried, but was quite entirely unsuccessful in applying the patch to a
recent linux-next so for now the only solution for me is (since Thomas
patch disables a functional fujitsu-laptop backlight control in favor of
a non-functional acpi_video backlight control) to blacklist:

--- video_detect.c 2008-07-31 17:20:59.540059897 +0200
+++ video_detect.c 2008-08-01 10:42:06.817046615 +0200
@@ -157,6 +159,11 @@ long acpi_video_get_capabilities(acpi_ha
* ACPI_VIDEO_BACKLIGHT_DMI_VENDOR;
*}
*/
+ if (dmi_name_in_vendors("FUJITSUSIEMENS") &&
+ dmi_name_in_vendors("LIFEBOOKS6410")) {
+ acpi_video_support |=
+ ACPI_VIDEO_BACKLIGHT_DMI_VENDOR;
+ }
} else {
status = acpi_bus_get_device(graphics_handle, &tmp_dev);
if (ACPI_FAILURE(status)) {

Peter