diff options
| -rw-r--r-- | sound/pci/hda/dell_wmi_helper.c | 87 |
1 files changed, 81 insertions, 6 deletions
diff --git a/sound/pci/hda/dell_wmi_helper.c b/sound/pci/hda/dell_wmi_helper.c index 7efa7bd7acb2..44b1e15682b9 100644 --- a/sound/pci/hda/dell_wmi_helper.c +++ b/sound/pci/hda/dell_wmi_helper.c @@ -5,12 +5,47 @@ #if IS_ENABLED(CONFIG_DELL_LAPTOP) #include <linux/dell-led.h> +enum { + MICMUTE_LED_ON, + MICMUTE_LED_OFF, + MICMUTE_LED_FOLLOW_CAPTURE, + MICMUTE_LED_FOLLOW_MUTE, +}; + +static int dell_led_mode = MICMUTE_LED_FOLLOW_MUTE; +static int dell_capture; static int dell_led_value; static int (*dell_micmute_led_set_func)(int); static void (*dell_old_cap_hook)(struct hda_codec *, struct snd_kcontrol *, struct snd_ctl_elem_value *); +static void call_micmute_led_update(void) +{ + int val; + + switch (dell_led_mode) { + case MICMUTE_LED_ON: + val = 1; + break; + case MICMUTE_LED_OFF: + val = 0; + break; + case MICMUTE_LED_FOLLOW_CAPTURE: + val = dell_capture; + break; + case MICMUTE_LED_FOLLOW_MUTE: + default: + val = !dell_capture; + break; + } + + if (val == dell_led_value) + return; + dell_led_value = val; + dell_micmute_led_set_func(dell_led_value); +} + static void update_dell_wmi_micmute_led(struct hda_codec *codec, struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) @@ -22,15 +57,54 @@ static void update_dell_wmi_micmute_led(struct hda_codec *codec, return; if (strcmp("Capture Switch", ucontrol->id.name) == 0 && ucontrol->id.index == 0) { /* TODO: How do I verify if it's a mono or stereo here? */ - int val = (ucontrol->value.integer.value[0] || ucontrol->value.integer.value[1]) ? 0 : 1; - if (val == dell_led_value) - return; - dell_led_value = val; - if (dell_micmute_led_set_func) - dell_micmute_led_set_func(dell_led_value); + dell_capture = (ucontrol->value.integer.value[0] || + ucontrol->value.integer.value[1]); + call_micmute_led_update(); } } +static int dell_mic_mute_led_mode_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + static const char * const texts[] = { + "On", "Off", "Follow Capture", "Follow Mute", + }; + + return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); +} + +static int dell_mic_mute_led_mode_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + ucontrol->value.enumerated.item[0] = dell_led_mode; + return 0; +} + +static int dell_mic_mute_led_mode_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + unsigned int mode; + + mode = ucontrol->value.enumerated.item[0]; + if (mode > MICMUTE_LED_FOLLOW_MUTE) + mode = MICMUTE_LED_FOLLOW_MUTE; + if (mode == dell_led_mode) + return 0; + dell_led_mode = mode; + call_micmute_led_update(); + return 1; +} + +static const struct snd_kcontrol_new dell_mic_mute_mode_ctls[] = { + { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Mic Mute-LED Mode", + .info = dell_mic_mute_led_mode_info, + .get = dell_mic_mute_led_mode_get, + .put = dell_mic_mute_led_mode_put, + }, + {} +}; static void alc_fixup_dell_wmi(struct hda_codec *codec, const struct hda_fixup *fix, int action) @@ -55,6 +129,7 @@ static void alc_fixup_dell_wmi(struct hda_codec *codec, dell_old_cap_hook = spec->gen.cap_sync_hook; spec->gen.cap_sync_hook = update_dell_wmi_micmute_led; removefunc = false; + add_mixer(spec, dell_mic_mute_mode_ctls); } } |