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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: Aaron Ma <aaron.ma@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Aaron Ma 2019-12-16 17:55:12 +08:00 committed by Rafael J. Wysocki
parent cbf6d033ad
commit 53870cf03f
1 changed files with 16 additions and 0 deletions
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16
drivers/acpi/video_detect.c
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@ -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,