Unverified Commit d6de45e3 authored by Bas Nieuwenhuizen's avatar Bas Nieuwenhuizen Committed by Ilpo Järvinen
Browse files

platform/x86: asus-wmi: Disable OOBE experience on Zenbook S 16 

The OOBE experience fades the keyboard backlight in & out continuously,
and make the backlight uncontrollable using its device.

Workaround taken from
https://wiki.archlinux.org/index.php?title=ASUS_Zenbook_UM5606&diff=next&oldid=815547



Signed-off-by: default avatarBas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: default avatarLuke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20240909223503.1445779-1-bas@basnieuwenhuizen.nl


Reviewed-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
parent 33297cef

drivers/platform/x86/asus-wmi.c

+10 −0
Original line number Diff line number Diff line
@@ -1793,6 +1793,16 @@ static int asus_wmi_led_init(struct asus_wmi *asus) 
			goto error;

	}



	if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_OOBE)) {

		/*

		 * Disable OOBE state, so that e.g. the keyboard backlight

		 * works.

		 */

		rv = asus_wmi_set_devstate(ASUS_WMI_DEVID_OOBE, 1, NULL);

		if (rv)

			goto error;

	}



error:

	if (rv)

		asus_wmi_led_exit(asus);

include/linux/platform_data/x86/asus-wmi.h

+1 −0
Original line number Diff line number Diff line
@@ -62,6 +62,7 @@ 
#define ASUS_WMI_DEVID_KBD_BACKLIGHT	0x00050021

#define ASUS_WMI_DEVID_LIGHT_SENSOR	0x00050022 /* ?? */

#define ASUS_WMI_DEVID_LIGHTBAR		0x00050025

#define ASUS_WMI_DEVID_OOBE		0x0005002F

/* This can only be used to disable the screen, not re-enable */

#define ASUS_WMI_DEVID_SCREENPAD_POWER	0x00050031

/* Writing a brightness re-enables the screen if disabled */