Hi, On 3/8/23 07:24, Koba Ko wrote: > Some platforms have the speaker-mute led and > current driver doesn't control it. > > If the platform support the control of speaker-mute led, register it > > Signed-off-by: Koba Ko <koba.ko@xxxxxxxxxxxxx> 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 Note it will show up in my review-hans branch once I've pushed my local branch there, which might take a while. 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 > > V2: Remove the dell-privacy rule for speaker-mute. > --- > drivers/platform/x86/dell/dell-laptop.c | 42 +++++++++++++++++++++++++ > drivers/platform/x86/dell/dell-smbios.h | 2 ++ > 2 files changed, 44 insertions(+) > > diff --git a/drivers/platform/x86/dell/dell-laptop.c b/drivers/platform/x86/dell/dell-laptop.c > index e92c3ad06d696..5ed628617f63c 100644 > --- a/drivers/platform/x86/dell/dell-laptop.c > +++ b/drivers/platform/x86/dell/dell-laptop.c > @@ -97,6 +97,7 @@ static struct rfkill *bluetooth_rfkill; > static struct rfkill *wwan_rfkill; > static bool force_rfkill; > static bool micmute_led_registered; > +static bool mute_led_registered; > > module_param(force_rfkill, bool, 0444); > MODULE_PARM_DESC(force_rfkill, "enable rfkill on non whitelisted models"); > @@ -2177,6 +2178,34 @@ static struct led_classdev micmute_led_cdev = { > .default_trigger = "audio-micmute", > }; > > +static int mute_led_set(struct led_classdev *led_cdev, > + enum led_brightness brightness) > +{ > + struct calling_interface_buffer buffer; > + struct calling_interface_token *token; > + int state = brightness != LED_OFF; > + > + if (state == 0) > + token = dell_smbios_find_token(GLOBAL_MUTE_DISABLE); > + else > + token = dell_smbios_find_token(GLOBAL_MUTE_ENABLE); > + > + if (!token) > + return -ENODEV; > + > + dell_fill_request(&buffer, token->location, token->value, 0, 0); > + dell_send_request(&buffer, CLASS_TOKEN_WRITE, SELECT_TOKEN_STD); > + > + return 0; > +} > + > +static struct led_classdev mute_led_cdev = { > + .name = "platform::mute", > + .max_brightness = 1, > + .brightness_set_blocking = mute_led_set, > + .default_trigger = "audio-mute", > +}; > + > static int __init dell_init(void) > { > struct calling_interface_token *token; > @@ -2230,6 +2259,15 @@ static int __init dell_init(void) > micmute_led_registered = true; > } > > + if (dell_smbios_find_token(GLOBAL_MUTE_DISABLE) && > + dell_smbios_find_token(GLOBAL_MUTE_ENABLE)) { > + mute_led_cdev.brightness = ledtrig_audio_get(LED_AUDIO_MUTE); > + ret = led_classdev_register(&platform_device->dev, &mute_led_cdev); > + if (ret < 0) > + goto fail_led; > + mute_led_registered = true; > + } > + > if (acpi_video_get_backlight_type() != acpi_backlight_vendor) > return 0; > > @@ -2277,6 +2315,8 @@ static int __init dell_init(void) > fail_backlight: > if (micmute_led_registered) > led_classdev_unregister(&micmute_led_cdev); > + if (mute_led_registered) > + led_classdev_unregister(&mute_led_cdev); > fail_led: > dell_cleanup_rfkill(); > fail_rfkill: > @@ -2299,6 +2339,8 @@ static void __exit dell_exit(void) > backlight_device_unregister(dell_backlight_device); > if (micmute_led_registered) > led_classdev_unregister(&micmute_led_cdev); > + if (mute_led_registered) > + led_classdev_unregister(&mute_led_cdev); > dell_cleanup_rfkill(); > if (platform_device) { > platform_device_unregister(platform_device); > diff --git a/drivers/platform/x86/dell/dell-smbios.h b/drivers/platform/x86/dell/dell-smbios.h > index 75fa8ea0476dc..eb341bf000c67 100644 > --- a/drivers/platform/x86/dell/dell-smbios.h > +++ b/drivers/platform/x86/dell/dell-smbios.h > @@ -34,6 +34,8 @@ > #define KBD_LED_AUTO_100_TOKEN 0x02F6 > #define GLOBAL_MIC_MUTE_ENABLE 0x0364 > #define GLOBAL_MIC_MUTE_DISABLE 0x0365 > +#define GLOBAL_MUTE_ENABLE 0x058C > +#define GLOBAL_MUTE_DISABLE 0x058D > > struct notifier_block; >
