Hi, On 7/11/22 13:51, PaddyKP_Yao wrote: > In some new ASUS devices, hotkey Fn+F13 is used for mic mute. If mic-mute > LED is present by checking WMI ASUS_WMI_DEVID_MICMUTE_LED, we will add a > mic-mute LED classdev, asus::micmute, in the asus-wmi driver to control > it. The binding of mic-mute LED controls will be swithched with LED > trigger. > > Signed-off-by: PaddyKP_Yao <PaddyKP_Yao@xxxxxxxx> > --- > V1 -> V2: fix typo for 'present' and remove unnecessary pr_info() log > V2 -> V3: resend patch again by gmail to avoid Asus legal in the mail Thank you for your patch, I've applied this patch to my review-hans branch: https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans Once I've run some tests on this branch the patches there will be added to the platform-drivers-x86/for-next branch and eventually will be included in the pdx86 pull-request to Linus for the next merge-window. Regards, Hans > > drivers/platform/x86/Kconfig | 2 ++ > drivers/platform/x86/asus-wmi.c | 25 ++++++++++++++++++++++ > include/linux/platform_data/x86/asus-wmi.h | 1 + > 3 files changed, 28 insertions(+) > > diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig > index f915cf67aa26..74769050b770 100644 > --- a/drivers/platform/x86/Kconfig > +++ b/drivers/platform/x86/Kconfig > @@ -274,6 +274,8 @@ config ASUS_WMI > select INPUT_SPARSEKMAP > select LEDS_CLASS > select NEW_LEDS > + select LEDS_TRIGGERS > + select LEDS_TRIGGER_AUDIO > select ACPI_PLATFORM_PROFILE > help > Say Y here if you have a WMI aware Asus laptop (like Eee PCs or new > diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c > index e14fb5fa7324..40c0e00a4b71 100644 > --- a/drivers/platform/x86/asus-wmi.c > +++ b/drivers/platform/x86/asus-wmi.c > @@ -191,6 +191,7 @@ struct asus_wmi { > int kbd_led_wk; > struct led_classdev lightbar_led; > int lightbar_led_wk; > + struct led_classdev micmute_led; > struct workqueue_struct *led_workqueue; > struct work_struct tpd_led_work; > struct work_struct wlan_led_work; > @@ -906,12 +907,23 @@ static enum led_brightness lightbar_led_get(struct led_classdev *led_cdev) > return result & ASUS_WMI_DSTS_LIGHTBAR_MASK; > } > > +static int micmute_led_set(struct led_classdev *led_cdev, > + enum led_brightness brightness) > +{ > + int state = brightness != LED_OFF; > + int err; > + > + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MICMUTE_LED, state, NULL); > + return err < 0 ? err : 0; > +} > + > static void asus_wmi_led_exit(struct asus_wmi *asus) > { > led_classdev_unregister(&asus->kbd_led); > led_classdev_unregister(&asus->tpd_led); > led_classdev_unregister(&asus->wlan_led); > led_classdev_unregister(&asus->lightbar_led); > + led_classdev_unregister(&asus->micmute_led); > > if (asus->led_workqueue) > destroy_workqueue(asus->led_workqueue); > @@ -983,6 +995,19 @@ static int asus_wmi_led_init(struct asus_wmi *asus) > &asus->lightbar_led); > } > > + if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MICMUTE_LED)) { > + asus->micmute_led.name = "asus::micmute"; > + asus->micmute_led.max_brightness = 1; > + asus->micmute_led.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE); > + asus->micmute_led.brightness_set_blocking = micmute_led_set; > + asus->micmute_led.default_trigger = "audio-micmute"; > + > + rv = led_classdev_register(&asus->platform_device->dev, > + &asus->micmute_led); > + 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 17dc5cb6f3f2..38ee75874d11 100644 > --- a/include/linux/platform_data/x86/asus-wmi.h > +++ b/include/linux/platform_data/x86/asus-wmi.h > @@ -49,6 +49,7 @@ > #define ASUS_WMI_DEVID_LED4 0x00020014 > #define ASUS_WMI_DEVID_LED5 0x00020015 > #define ASUS_WMI_DEVID_LED6 0x00020016 > +#define ASUS_WMI_DEVID_MICMUTE_LED 0x00040017 > > /* Backlight and Brightness */ > #define ASUS_WMI_DEVID_ALS_ENABLE 0x00050001 /* Ambient Light Sensor */