The HP ZBook 15u G3 has a Conexant CX20724 with mute led on GPIO1 and mic mute led on GPIO2. Adding CXT_FIXUP_MUTE_LED_GPIO inspired on patch_realtek's one.

Signed-off-by: Jerónimo Borque jeronimo@borque.com.ar

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diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 69266b8..e825373 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -52,6 +52,12 @@ struct conexant_spec {   bool dc_enable;   unsigned int dc_input_bias; /* offset into olpc_xo_dc_bias */   struct nid_path *dc_mode_path; + + int mute_led_polarity; + unsigned int gpio_led; + unsigned int gpio_mute_led_mask; + unsigned int gpio_mic_led_mask; +  };     @@ -264,6 +270,7 @@ enum {   CXT_FIXUP_HP_DOCK,   CXT_FIXUP_HP_SPECTRE,   CXT_FIXUP_HP_GATE_MIC, + CXT_FIXUP_MUTE_LED_GPIO,  };    /* for hda_fixup_thinkpad_acpi() */ @@ -646,6 +653,74 @@ static void cxt_fixup_hp_gate_mic_jack(struct hda_codec *codec,   snd_hda_jack_set_gating_jack(codec, 0x19, 0x16);  }   +/* update LED status via GPIO */ +static void cxt_update_gpio_led(struct hda_codec *codec, unsigned int mask, + bool enabled) +{ + struct conexant_spec *spec = codec->spec; + unsigned int oldval = spec->gpio_led; + + if (spec->mute_led_polarity) + enabled = !enabled; + + if (enabled) + spec->gpio_led &= ~mask; + else + spec->gpio_led |= mask; + if (spec->gpio_led != oldval) + snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA, +     spec->gpio_led); +} + +/* turn on/off mute LED via GPIO per vmaster hook */ +static void cxt_fixup_gpio_mute_hook(void *private_data, int enabled) +{ + struct hda_codec *codec = private_data; + struct conexant_spec *spec = codec->spec; + + cxt_update_gpio_led(codec, spec->gpio_mute_led_mask, enabled); +} + +/* turn on/off mic-mute LED via GPIO per capture hook */ +static void cxt_fixup_gpio_mic_mute_hook(struct hda_codec *codec, +  struct snd_kcontrol *kcontrol, +  struct snd_ctl_elem_value *ucontrol) +{ + struct conexant_spec *spec = codec->spec; + + if (ucontrol) + cxt_update_gpio_led(codec, spec->gpio_mic_led_mask, +     ucontrol->value.integer.value[0] || +     ucontrol->value.integer.value[1]); +} + + +static void cxt_fixup_mute_led_gpio(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + struct conexant_spec *spec = codec->spec; + static const struct hda_verb gpio_init[] = { + { 0x01, AC_VERB_SET_GPIO_MASK, 0x03 }, + { 0x01, AC_VERB_SET_GPIO_DIRECTION, 0x03 }, + {} + }; + codec_info(codec, "action: %d gpio_led: %d\n", action, spec->gpio_led); + + if (action == HDA_FIXUP_ACT_PRE_PROBE) { + spec->gen.vmaster_mute.hook = cxt_fixup_gpio_mute_hook; + spec->gen.cap_sync_hook = cxt_fixup_gpio_mic_mute_hook; + spec->gpio_led = 0; + spec->mute_led_polarity = 0; + spec->gpio_mute_led_mask = 0x01; + spec->gpio_mic_led_mask = 0x02; + } + snd_hda_add_verbs(codec, gpio_init); + if (spec->gpio_led) + snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA, +     spec->gpio_led); +} + +  /* ThinkPad X200 & co with cxt5051 */  static const struct hda_pintbl cxt_pincfg_lenovo_x200[] = {   { 0x16, 0x042140ff }, /* HP (seq# overridden) */ @@ -799,6 +874,10 @@ static const struct hda_fixup cxt_fixups[] = {   .type = HDA_FIXUP_FUNC,   .v.func = cxt_fixup_hp_gate_mic_jack,   }, + [CXT_FIXUP_MUTE_LED_GPIO] = { + .type = HDA_FIXUP_FUNC, + .v.func = cxt_fixup_mute_led_gpio, + },  };    static const struct snd_pci_quirk cxt5045_fixups[] = { @@ -851,6 +930,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {   SND_PCI_QUIRK(0x103c, 0x8079, "HP EliteBook 840 G3", CXT_FIXUP_HP_DOCK),   SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE),   SND_PCI_QUIRK(0x103c, 0x8115, "HP Z1 Gen3", CXT_FIXUP_HP_GATE_MIC), + SND_PCI_QUIRK(0x103c, 0x814f, "HP ZBook 15u G3", CXT_FIXUP_MUTE_LED_GPIO),   SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN),   SND_PCI_QUIRK(0x152d, 0x0833, "OLPC XO-1.5", CXT_FIXUP_OLPC_XO),   SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400", CXT_PINCFG_LENOVO_TP410), @@ -882,6 +962,7 @@ static const struct hda_model_fixup cxt5066_fixup_models[] = {   { .id = CXT_FIXUP_OLPC_XO, .name = "olpc-xo" },   { .id = CXT_FIXUP_MUTE_LED_EAPD, .name = "mute-led-eapd" },   { .id = CXT_FIXUP_HP_DOCK, .name = "hp-dock" }, + { .id = CXT_FIXUP_MUTE_LED_GPIO, .name = "mute-led-gpio" },   {}  };