On Thu, Jul 03, 2008 at 06:08:59PM +0200, Thomas Renninger wrote:
> + if (ACPI_SUCCESS(acpi_get_handle(device->handle, "DRDY", &h_dummy))) {
> + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found IGD device\n"));
> + video_caps |= ACPI_VIDEO_IGD;
> + }
In principle, it's possible for a vendor to implement opregion but not
actually use it until the tche flags are set. If anyone's done that then
you've just broken backlight control on their system.
--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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