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authorAaron Ma <aaron.ma@canonical.com>2019-12-16 12:55:12 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-12-16 13:26:55 +0300
commit53870cf03faefa1f0d77fbc366db87d5beda203c (patch)
tree63a568388ddec66628370b3f77d928336bdb0fe6 /drivers/acpi/video_detect.c
parentcbf6d033ad378c6c58ce30cc618f7329a5d8272e (diff)
downloadlinux-53870cf03faefa1f0d77fbc366db87d5beda203c.tar.xz
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>
Diffstat (limited to 'drivers/acpi/video_detect.c')
-rw-r--r--drivers/acpi/video_detect.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 31014c7d3793..13ce1bb9facf 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -303,6 +303,22 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
},
},
{
+ .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,
.ident = "Apple MacBook Pro 12,1",