a4ecbb8ae7
When acpi_backlight=vendor in cmdline or no backlight support in acpi video device, ideapad-laptop will register backlight device and control brightness and backlight power via the command in VPC2004. Signed-off-by: Ike Panhc <ike.pan@canonical.com> Signed-off-by: Matthew Garrett <mjg@redhat.com> |
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