On Wednesday, July 17, 2013 10:42:35 AM Felipe Contreras wrote: > 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 No, that's obsolete already. I'll let you know what to try when other people confirm it works for them. > 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? I'm not sure about the Matthew's version. > 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. While that may be the case, I'd like to avoid more blacklisting than we already have. Thanks, Rafael -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- 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
