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ACPI / video: force vendor backlight on Lenovo Ideapad Z570

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Lenovo Ideapad 570 is a pre-win8 laptop where not using vendor
backlight causes the backlight controls not to work.

Signed-off-by: Stepan Bujnak <stepanbujnak@fastmail.fm>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Stepan Bujnak 2014-09-10 17:44:43 +02:00 committed by Rafael J. Wysocki
parent e4d38b5550
commit a11d342fb8
1 changed files with 8 additions and 0 deletions
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8
drivers/acpi/video_detect.c
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@ -174,6 +174,14 @@ static struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5737"),
},
},
{
.callback = video_detect_force_vendor,
.ident = "Lenovo IdeaPad Z570",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "Ideapad Z570"),
},
},
{ },
};