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ACPI: video: Use vendor backlight on Sony VPCEH3U1E 

On Sony Vaio VPCEH3U1E, ACPI backlight control does not work, and native
backlight works. Thus force use vendor backlight control on this system.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=202401
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Zhang Rui 2019-04-01 09:24:39 +08:00 committed by Rafael J. Wysocki
parent 79a3aaa7b8
commit aefa763b18
1 changed files with 8 additions and 0 deletions
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8
drivers/acpi/video_detect.c
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@ -141,6 +141,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"),
},
},
{
.callback = video_detect_force_vendor,
.ident = "Sony VPCEH3U1E",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
DMI_MATCH(DMI_PRODUCT_NAME, "VPCEH3U1E"),
},
},
/*
* These models have a working acpi_video backlight control, and using