On Wed, Jul 31, 2013 at 06:32:47AM -0500, Felipe Contreras wrote: > On Wed, Jul 31, 2013 at 12:14 AM, Matthew Garrett <mj...@srcf.ucam.org> wrote: > > There's no mechanism for an OS to know whether or not a firmware > > implementation will actually turn the backlight off at 0, so there's no > > way the OS can define the lowest backlight state as anything other than > > "May or may not turn the screen off". > > Yes there is; quirks.
We aren't going to maintain a quirk list in order to support a guarantee that was never made. "0" as a backlight level has potentially meant "screen off" since the interface was first introduced. -- Matthew Garrett | mj...@srcf.ucam.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
