On Mon, 24 Oct 2022, Akihiko Odaki <akihiko.odaki@xxxxxxxxxx> wrote:
> Commit 2600bfa3df99 ("ACPI: video: Add acpi_video_backlight_use_native()
> helper") and following commits made native backlight unavailable if
> CONFIG_ACPI_VIDEO is set and the backlight feature of ACPI video is
> unavailable, which broke the backlight functionality on Lenovo ThinkPad
> C13 Yoga Chromebook. Allow to fall back to native backlight in such
> cases.
Where's the bug report with relevant logs, kconfigs, etc?
BR,
Jani.
>
> Signed-off-by: Akihiko Odaki <akihiko.odaki@xxxxxxxxxx>
>
> Akihiko Odaki (22):
> drm/i915/opregion: Improve backlight request condition
> ACPI: video: Introduce acpi_video_get_backlight_types()
> LoongArch: Use acpi_video_get_backlight_types()
> platform/x86: acer-wmi: Use acpi_video_get_backlight_types()
> platform/x86: asus-laptop: Use acpi_video_get_backlight_types()
> platform/x86: asus-wmi: Use acpi_video_get_backlight_types()
> platform/x86: compal-laptop: Use acpi_video_get_backlight_types()
> platform/x86: eeepc-laptop: Use acpi_video_get_backlight_types()
> platform/x86: fujitsu-laptop: Use acpi_video_get_backlight_types()
> platform/x86: ideapad-laptop: Use acpi_video_get_backlight_types()
> platform/x86: msi-laptop: Use acpi_video_get_backlight_types()
> platform/x86: msi-wmi: Use acpi_video_get_backlight_types()
> platform/x86: nvidia-wmi-ec-backlight: Use
> acpi_video_get_backlight_types()
> platform/x86: panasonic-laptop: Use acpi_video_get_backlight_types()
> platform/x86: samsung-laptop: Use acpi_video_get_backlight_types()
> platform/x86: sony-laptop: Use acpi_video_get_backlight_types()
> platform/x86: thinkpad_acpi: Use acpi_video_get_backlight_types()
> platform/x86: toshiba_acpi: Use acpi_video_get_backlight_types()
> platform/x86: dell-laptop: Use acpi_video_get_backlight_types()
> platform/x86: intel_oaktrail: Use acpi_video_get_backlight_types()
> ACPI: video: Remove acpi_video_get_backlight_type()
> ACPI: video: Fallback to native backlight
>
> Documentation/gpu/todo.rst | 8 +--
> drivers/acpi/acpi_video.c | 2 +-
> drivers/acpi/video_detect.c | 54 ++++++++++---------
> drivers/gpu/drm/i915/display/intel_opregion.c | 3 +-
> drivers/platform/loongarch/loongson-laptop.c | 4 +-
> drivers/platform/x86/acer-wmi.c | 2 +-
> drivers/platform/x86/asus-laptop.c | 2 +-
> drivers/platform/x86/asus-wmi.c | 4 +-
> drivers/platform/x86/compal-laptop.c | 2 +-
> drivers/platform/x86/dell/dell-laptop.c | 2 +-
> drivers/platform/x86/eeepc-laptop.c | 2 +-
> drivers/platform/x86/fujitsu-laptop.c | 4 +-
> drivers/platform/x86/ideapad-laptop.c | 2 +-
> drivers/platform/x86/intel/oaktrail.c | 2 +-
> drivers/platform/x86/msi-laptop.c | 2 +-
> drivers/platform/x86/msi-wmi.c | 2 +-
> .../platform/x86/nvidia-wmi-ec-backlight.c | 2 +-
> drivers/platform/x86/panasonic-laptop.c | 2 +-
> drivers/platform/x86/samsung-laptop.c | 2 +-
> drivers/platform/x86/sony-laptop.c | 2 +-
> drivers/platform/x86/thinkpad_acpi.c | 4 +-
> drivers/platform/x86/toshiba_acpi.c | 2 +-
> drivers/video/backlight/backlight.c | 18 +++++++
> include/acpi/video.h | 21 ++++----
> include/linux/backlight.h | 1 +
> 25 files changed, 85 insertions(+), 66 deletions(-)
--
Jani Nikula, Intel Open Source Graphics Center
