Original the i915 driver called acpi_video_register(), but that was replaced with acpi_video_register_with_quirks(), which we can not backport easily, replace it with the old call to acpi_video_register() again.
Thos backports the following commit: commit 8c5bd7adb2ce47e6aa39d17b2375f69b0c0aa255 Author: Rafael J. Wysocki <[email protected]> Date: Thu Jul 18 02:08:06 2013 +0200 ACPI / video / i915: No ACPI backlight if firmware expects Windows 8 Signed-off-by: Hauke Mehrtens <[email protected]> --- backport/backport-include/acpi/video.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 backport/backport-include/acpi/video.h diff --git a/backport/backport-include/acpi/video.h b/backport/backport-include/acpi/video.h new file mode 100644 index 0000000..ff5c776 --- /dev/null +++ b/backport/backport-include/acpi/video.h @@ -0,0 +1,13 @@ +#ifndef __BACKPORT_ACPI_VIDEO_H +#define __BACKPORT_ACPI_VIDEO_H +#include_next <acpi/video.h> +#include <linux/version.h> + +#if LINUX_VERSION_CODE < KERNEL_VERSION(3,12,0) +static inline int acpi_video_register_with_quirks(void) +{ + return acpi_video_register(); +} +#endif + +#endif /* __BACKPORT_ACPI_VIDEO_H */ -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe backports" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
