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authorHans de Goede <hdegoede@redhat.com>2023-01-09 22:18:11 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2023-01-10 22:20:51 +0300
commit420a1116aef0e8e12c305508f45ce73e5ae30a09 (patch)
treea9cc2a8419550994496b8768e8d264d60efea68b /drivers/acpi/video_detect.c
parentb7bfaa761d760e72a969d116517eaa12e404c262 (diff)
downloadlinux-420a1116aef0e8e12c305508f45ce73e5ae30a09.tar.xz
ACPI: video: Allow selecting NVidia-WMI-EC or Apple GMUX backlight from the cmdline
The patches adding NVidia-WMI-EC and Apple GMUX backlight detection support to acpi_video_get_backlight_type(), forgot to update acpi_video_parse_cmdline() to allow manually selecting these from the commandline. Add support for these to acpi_video_parse_cmdline(). Fixes: fe7aebb40d42 ("ACPI: video: Add Nvidia WMI EC brightness control detection (v3)") Fixes: 21245df307cb ("ACPI: video: Add Apple GMUX brightness control detection") Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/video_detect.c')
-rw-r--r--drivers/acpi/video_detect.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 1b78c7434492..8a541efc5675 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -50,6 +50,10 @@ static void acpi_video_parse_cmdline(void)
acpi_backlight_cmdline = acpi_backlight_video;
if (!strcmp("native", acpi_video_backlight_string))
acpi_backlight_cmdline = acpi_backlight_native;
+ if (!strcmp("nvidia_wmi_ec", acpi_video_backlight_string))
+ acpi_backlight_cmdline = acpi_backlight_nvidia_wmi_ec;
+ if (!strcmp("apple_gmux", acpi_video_backlight_string))
+ acpi_backlight_cmdline = acpi_backlight_apple_gmux;
if (!strcmp("none", acpi_video_backlight_string))
acpi_backlight_cmdline = acpi_backlight_none;
}