4 commits

Author	SHA1	Message	Date
Emmanuel Vadot	2cc3af6e1d	linuxkpi: Add backlight_device_set_brightness ... This simply set the brightness of a backlight device. Needed by drm-kmod v5.8 Reviewed by: bz, emaste MFC after: 2 weeks Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D34285	2022-02-17 09:31:12 +01:00
Vladimir Kondratyev	307f78f3ed	LinuxKPI: Constantly use _LINUXKPI_ prefix in include guards ... MFC after: 1 week Reviewed by: bz, emaste, hselasky, manu Differential Revision: https://reviews.freebsd.org/D33562	2022-01-10 22:49:38 +03:00
Vladimir Kondratyev	b52e363840	LinuxKPI: Implement backlight_enable and backlight_disable functions ... For now, disable backlight if brightness level is set to 0. In the future we may implement separate knob in backlight(8). Required by drm-kmod v5.6 Reviewed by: hselasky, manu MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D32165	2021-09-29 23:15:12 +03:00
Emmanuel Vadot	2b68c97337	linuxkpi: Add backlight support ... Add backlight function to linuxkpi. Graphics drivers expose the backlight of the panel directly so allow them to use the backlight subsystem so user can use backlight(8) to configure them. Reviewed by: hselasky Relnotes: yes Differential Revision: The FreeBSD Foundation	2020-10-02 18:26:41 +00:00