Move the code for setting up and controlling the mic mute LED hook from dell-wmi helper to the generic parser, so that it can be referred from the multiple driver codes.

No functional change.

Tested-by: Pali Rohár pali.rohar@gmail.com Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/pci/hda/dell_wmi_helper.c | 116 ++------------------------ sound/pci/hda/hda_generic.c | 140 ++++++++++++++++++++++++++++++++ sound/pci/hda/hda_generic.h | 16 ++++ 3 files changed, 162 insertions(+), 110 deletions(-)

diff --git a/sound/pci/hda/dell_wmi_helper.c b/sound/pci/hda/dell_wmi_helper.c index 1b48a8c19d28..8a7dbd1a7fbf 100644 --- a/sound/pci/hda/dell_wmi_helper.c +++ b/sound/pci/hda/dell_wmi_helper.c @@ -6,111 +6,18 @@ #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) -{ - if (dell_old_cap_hook) - dell_old_cap_hook(codec, kcontrol, ucontrol); - - if (!ucontrol || !dell_micmute_led_set_func) - 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? */ - 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 void dell_micmute_update(struct hda_codec *codec) { - static const char * const texts[] = { - "On", "Off", "Follow Capture", "Follow Mute", - }; - - return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); -} + struct hda_gen_spec *spec = codec->spec;

-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; + dell_micmute_led_set_func(spec->micmute_led.led_value); }

-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) { - struct alc_spec *spec = codec->spec; bool removefunc = false;

if (action == HDA_FIXUP_ACT_PROBE) { @@ -121,25 +28,14 @@ static void alc_fixup_dell_wmi(struct hda_codec *codec, return; }

- removefunc = true; - if (dell_micmute_led_set_func(false) >= 0) { - dell_led_value = 0; - if (spec->gen.num_adc_nids > 1 && !spec->gen.dyn_adc_switch) - codec_dbg(codec, "Skipping micmute LED control due to several ADCs"); - else { - 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); - } - } - + removefunc = (dell_micmute_led_set_func(false) < 0) || + (snd_hda_gen_add_micmute_led(codec, + dell_micmute_update) <= 0); }

if (dell_micmute_led_set_func && (action == HDA_FIXUP_ACT_FREE || removefunc)) { symbol_put(dell_micmute_led_set); dell_micmute_led_set_func = NULL; - dell_old_cap_hook = NULL; } }

diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index db773e219aaa..cdce9ce6b901 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -3899,6 +3899,146 @@ static int parse_mic_boost(struct hda_codec *codec) return 0; }

+/* + * mic mute LED hook helpers + */ +enum { + MICMUTE_LED_ON, + MICMUTE_LED_OFF, + MICMUTE_LED_FOLLOW_CAPTURE, + MICMUTE_LED_FOLLOW_MUTE, +}; + +static void call_micmute_led_update(struct hda_codec *codec) +{ + struct hda_gen_spec *spec = codec->spec; + unsigned int val; + + switch (spec->micmute_led.led_mode) { + case MICMUTE_LED_ON: + val = 1; + break; + case MICMUTE_LED_OFF: + val = 0; + break; + case MICMUTE_LED_FOLLOW_CAPTURE: + val = spec->micmute_led.capture; + break; + case MICMUTE_LED_FOLLOW_MUTE: + default: + val = !spec->micmute_led.capture; + break; + } + + if (val == spec->micmute_led.led_value) + return; + spec->micmute_led.led_value = val; + if (spec->micmute_led.update) + spec->micmute_led.update(codec); +} + +static void update_micmute_led(struct hda_codec *codec, + struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_gen_spec *spec = codec->spec; + + if (spec->micmute_led.old_hook) + spec->micmute_led.old_hook(codec, kcontrol, ucontrol); + + if (!ucontrol) + return; + if (!strcmp("Capture Switch", ucontrol->id.name) && + !ucontrol->id.index) { + /* TODO: How do I verify if it's a mono or stereo here? */ + spec->micmute_led.capture = (ucontrol->value.integer.value[0] || + ucontrol->value.integer.value[1]); + call_micmute_led_update(codec); + } +} + +static int micmute_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 micmute_led_mode_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct hda_gen_spec *spec = codec->spec; + + ucontrol->value.enumerated.item[0] = spec->micmute_led.led_mode; + return 0; +} + +static int micmute_led_mode_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct hda_gen_spec *spec = codec->spec; + unsigned int mode; + + mode = ucontrol->value.enumerated.item[0]; + if (mode > MICMUTE_LED_FOLLOW_MUTE) + mode = MICMUTE_LED_FOLLOW_MUTE; + if (mode == spec->micmute_led.led_mode) + return 0; + spec->micmute_led.led_mode = mode; + call_micmute_led_update(codec); + return 1; +} + +static const struct snd_kcontrol_new micmute_led_mode_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "Mic Mute-LED Mode", + .info = micmute_led_mode_info, + .get = micmute_led_mode_get, + .put = micmute_led_mode_put, +}; + +/** + * snd_hda_gen_add_micmute_led - helper for setting up mic mute LED hook + * @codec: the HDA codec + * @hook: the callback for updating LED + * + * Called from the codec drivers for offering the mic mute LED controls. + * Only valid for a single ADC (or a single input). When established, it + * sets up cap_sync_hook and triggers the callback at each time when the + * capture mixer switch changes. The callback is supposed to update the LED + * accordingly. + * + * Returns 1 if the hook is established, 0 if skipped (no valid config), or + * a negative error code. + */ +int snd_hda_gen_add_micmute_led(struct hda_codec *codec, + void (*hook)(struct hda_codec *)) +{ + struct hda_gen_spec *spec = codec->spec; + + if (spec->num_adc_nids > 1 && !spec->dyn_adc_switch) { + codec_dbg(codec, + "Skipping micmute LED control due to several ADCs"); + return 0; + } + + spec->micmute_led.led_mode = MICMUTE_LED_FOLLOW_MUTE; + spec->micmute_led.capture = 0; + spec->micmute_led.led_value = 0; + spec->micmute_led.old_hook = spec->cap_sync_hook; + spec->micmute_led.update = hook; + spec->cap_sync_hook = update_micmute_led; + if (!snd_hda_gen_add_kctl(spec, NULL, &micmute_led_mode_ctl)) + return -ENOMEM; + return 1; +} +EXPORT_SYMBOL_GPL(snd_hda_gen_add_micmute_led); + /* * parse digital I/Os and set up NIDs in BIOS auto-parse mode */ diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h index 61772317de46..10123664fa61 100644 --- a/sound/pci/hda/hda_generic.h +++ b/sound/pci/hda/hda_generic.h @@ -86,6 +86,16 @@ struct badness_table { extern const struct badness_table hda_main_out_badness; extern const struct badness_table hda_extra_out_badness;

+struct hda_micmute_hook { + unsigned int led_mode; + unsigned int capture; + unsigned int led_value; + void (*update)(struct hda_codec *codec); + void (*old_hook)(struct hda_codec *codec, + struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol); +}; + struct hda_gen_spec { char stream_name_analog[32]; /* analog PCM stream */ const struct hda_pcm_stream *stream_analog_playback; @@ -276,6 +286,9 @@ struct hda_gen_spec { struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol);

+ /* mic mute LED hook; called via cap_sync_hook */ + struct hda_micmute_hook micmute_led; + /* PCM hooks */ void (*pcm_playback_hook)(struct hda_pcm_stream *hinfo, struct hda_codec *codec, @@ -342,4 +355,7 @@ unsigned int snd_hda_gen_path_power_filter(struct hda_codec *codec, void snd_hda_gen_stream_pm(struct hda_codec *codec, hda_nid_t nid, bool on); int snd_hda_gen_fix_pin_power(struct hda_codec *codec, hda_nid_t pin);

+int snd_hda_gen_add_micmute_led(struct hda_codec *codec, + void (*hook)(struct hda_codec *)); + #endif /* __SOUND_HDA_GENERIC_H */