On Sat, Dec 24, 2011 at 3:20 PM, Matthew Garrett <mjg59@xxxxxxxxxxxxx> wrote: > On Sat, Dec 24, 2011 at 02:12:57PM +0000, Andrzej Prochyra wrote: >> 'acpi_video0' not functional. Brightness can be controlled through >> intel_backlight interface. There are 21 brightness levels and the >> backlight can be turned off. > > If acpi_video0 doesn't work then we either need to work out why it's not > working or make it vanish completely, so this patch isn't the correct > approach. Just to make clear, intel_backlight isn't working properly either. If my laptop boots with backlight at 50% then intel_backlight will only work in the range 0%-50% on my machine. If I use the samsung module to set it to 100% then intel_backlight works correctly in the range 0-100% until next reboot/suspend. So I'd recommend staying with the samsung module and disabling the acpi_backlight entirely. The samsung module is the only backlight control which works properly. Regards David -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
