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platform/x86: asus-wmi: Implement TUF laptop keyboard LED modes

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Adds support for changing the laptop keyboard LED mode and colour.

The modes are visible effects such as static, rainbow, pulsing,
colour cycles.

These sysfs attributes are added to asus::kbd_backlight:
- kbd_rgb_mode
- kbd_rgb_mode_index

Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20220825232251.345893-2-luke@ljones.dev
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Luke D. Jones 2022-08-26 11:22:50 +12:00 • committed by Hans de Goede
parent 12ff4c803d
commit e305a71cea
2 changed files with 76 additions and 1 deletions
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3
include/linux/platform_data/x86/asus-wmi.h
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@ -104,6 +104,9 @@
/* gpu mux switch, 0 = dGPU, 1 = Optimus */
#define ASUS_WMI_DEVID_GPU_MUX 0x00090016
/* TUF laptop RGB modes/colours */
#define ASUS_WMI_DEVID_TUF_RGB_MODE 0x00100056
/* DSTS masks */
#define ASUS_WMI_DSTS_STATUS_BIT 0x00000001
#define ASUS_WMI_DSTS_UNKNOWN_BIT 0x00000002