Messages in this thread | | | Date | Thu, 15 Mar 2012 16:09:03 +0000 | From | Matthew Garrett <> | Subject | Re: [PATCH v2] platform/x86: Add driver for Apple gmux device |
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On Thu, Mar 15, 2012 at 10:47:56AM -0500, Seth Forshee wrote:
> Turns out that acpi_video0 does work under Windows, and it also works > under Linux depending on how the OS is booted. Doing a boot camp style > boot gives us working acpi_video0 and apple_bl backlights. acpi_video1 > doesn't show up in a legacy boot situation, as evaluating _BCM gives an > error. > > Under EFI boot, both acpi_video backlights show up but neither works. > The readback verify in apple_bl's probe fails, so that one doesn't show > up. Only gmux_backlight actually works.
Ok, that's consistent. You can probably handle that case by just calling acpi_video_unregister() in gmux. Something like your patch looks fine for the apple_bl case.
-- Matthew Garrett | mjg59@srcf.ucam.org
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