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: Bas Nieuwenhuizen <bas@xxxxxxxxxxxxxxxxxxx> --- drivers/platform/x86/asus-wmi.c | 10 ++++++++++ include/linux/platform_data/x86/asus-wmi.h | 1 + 2 files changed, 11 insertions(+) diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index cc735931f97b..3b333d6076ac 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -1779,6 +1779,16 @@ 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); diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h index 0aeeae1c1943..ae9bf7479e7b 100644 --- a/include/linux/platform_data/x86/asus-wmi.h +++ b/include/linux/platform_data/x86/asus-wmi.h @@ -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 */ -- 2.45.2
