platform/x86: ideapad-laptop: Add support for keyboard backlights using KBLC ACPI symbol

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Newer Lenovo laptops seem to use the KBLC symbol to control the backlight
Add support for handling the keyboard backlight on these devices

Signed-off-by: Stuart Hayhurst <stuart.a.hayhurst@gmail.com>
Link: https://lore.kernel.org/r/20230827161940.485200-1-stuart.a.hayhurst@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

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Stuart Hayhurst 2023-08-27 17:19:41 +01:00 • committed by Hans de Goede

parent 5ee473bbf4

commit ecaa1867b5

1 changed files with 112 additions and 6 deletions

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drivers/platform/x86/ideapad-laptop.c

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