ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST_SUPPORTED 156 drivers/gpu/drm/amd/include/amd_acpi.h # define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST_SUPPORTED (1 << 7) ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST_SUPPORTED 84 drivers/gpu/drm/radeon/radeon_acpi.h # define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST_SUPPORTED (1 << 7)