On Wed, Jun 26, 2013 at 9:37 PM, Aaron Lu <aaron.lu@xxxxxxxxx> wrote: > Please reference a similar bug where ACPI video driver can't work for > some thinkpad win8 laptops: > https://bugzilla.kernel.org/show_bug.cgi?id=51231 > > And the proposed way to fix this issue is for all Win8 systems, the > ACPI video backlight interface will be removed, leaving only GPU's > backlight interface: > https://lkml.org/lkml/2013/6/9/161 Thanks. I took a look at the thread and the patches, so essentially when those patches are applied, I should expect the same behavior as acpi_backlight=vendor, right? If so, that doesn't work correctly in this laptop. In this laptop intel backlight works through X, but when I set the level to 0 everything is black (it works fine in ACPI), and the keyboard keys don't work. ACPI works perfectly fine. So I think for this laptop (and possibly others) ACPI without win8 mode is the way to go. -- Felipe Contreras -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
