Commit 53870cf0 authored by Aaron Ma's avatar Aaron Ma Committed by Rafael J. Wysocki
Browse files

ACPI: video: Use native backlight on Lenovo E41-25/45 



ACPI backlight control doesn't work on 2 Lenovo E41 laptops.
So force to use native backlight control on them.

Signed-off-by: default avatarAaron Ma <aaron.ma@canonical.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent cbf6d033

drivers/acpi/video_detect.c

+16 −0
Original line number Diff line number Diff line
@@ -302,6 +302,22 @@ static const struct dmi_system_id video_detect_dmi_table[] = { 
		DMI_MATCH(DMI_PRODUCT_NAME, "102434U"),

		},

	},

	{

	 .callback = video_detect_force_native,

	 .ident = "Lenovo E41-25",

	 .matches = {

		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),

		DMI_MATCH(DMI_PRODUCT_NAME, "81FS"),

		},

	},

	{

	 .callback = video_detect_force_native,

	 .ident = "Lenovo E41-45",

	 .matches = {

		DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),

		DMI_MATCH(DMI_PRODUCT_NAME, "82BK"),

		},

	},

	{

	 /* https://bugzilla.redhat.com/show_bug.cgi?id=1217249 */

	 .callback = video_detect_force_native,