Comment 3 for bug 1198030

Revision history for this message
Takashi Iwai (tiwai) wrote : Re: [PATCH] ALSA: hda - Headphone mic support for an Asus/Conexant device

At Tue, 16 Jul 2013 11:48:10 +0200,
David Henningsson wrote:
>
> This Conexant codec has a single jack that can be used as either
> headphone or mic (but not headset). The existing hp_mic functionality
> does not apply here, because the mic and the HP are on separate pins.
>
> Hence make a lighter version of what has been earlier done for Realtek
> codecs.
>
> BugLink: https://bugs.launchpad.net/bugs/1198030
> Tested-by: Franz Hsieh <email address hidden>
> Signed-off-by: David Henningsson <email address hidden>

Thanks, applied.

Takashi

> ---
> sound/pci/hda/patch_conexant.c | 79 +++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 78 insertions(+), 1 deletion(-)
>
> diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
> index de00ce1..4edd2d0 100644
> --- a/sound/pci/hda/patch_conexant.c
> +++ b/sound/pci/hda/patch_conexant.c
> @@ -66,6 +66,8 @@ struct conexant_spec {
> hda_nid_t eapds[4];
> bool dynamic_eapd;
>
> + unsigned int parse_flags; /* flag for snd_hda_parse_pin_defcfg() */
> +
> #ifdef ENABLE_CXT_STATIC_QUIRKS
> const struct snd_kcontrol_new *mixers[5];
> int num_mixers;
> @@ -3200,6 +3202,9 @@ static int cx_auto_init(struct hda_codec *codec)
> snd_hda_gen_init(codec);
> if (!spec->dynamic_eapd)
> cx_auto_turn_eapd(codec, spec->num_eapds, spec->eapds, true);
> +
> + snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_INIT);
> +
> return 0;
> }
>
> @@ -3224,6 +3229,8 @@ enum {
> CXT_PINCFG_LEMOTE_A1205,
> CXT_FIXUP_STEREO_DMIC,
> CXT_FIXUP_INC_MIC_BOOST,
> + CXT_FIXUP_HEADPHONE_MIC_PIN,
> + CXT_FIXUP_HEADPHONE_MIC,
> };
>
> static void cxt_fixup_stereo_dmic(struct hda_codec *codec,
> @@ -3246,6 +3253,59 @@ static void cxt5066_increase_mic_boost(struct hda_codec *codec,
> (0 << AC_AMPCAP_MUTE_SHIFT));
> }
>
> +static void cxt_update_headset_mode(struct hda_codec *codec)
> +{
> + /* The verbs used in this function were tested on a Conexant CX20751/2 codec. */
> + int i;
> + bool mic_mode = false;
> + struct conexant_spec *spec = codec->spec;
> + struct auto_pin_cfg *cfg = &spec->gen.autocfg;
> +
> + hda_nid_t mux_pin = spec->gen.imux_pins[spec->gen.cur_mux[0]];
> +
> + for (i = 0; i < cfg->num_inputs; i++)
> + if (cfg->inputs[i].pin == mux_pin) {
> + mic_mode = !!cfg->inputs[i].is_headphone_mic;
> + break;
> + }
> +
> + if (mic_mode) {
> + snd_hda_codec_write_cache(codec, 0x1c, 0, 0x410, 0x7c); /* enable merged mode for analog int-mic */
> + spec->gen.hp_jack_present = false;
> + } else {
> + snd_hda_codec_write_cache(codec, 0x1c, 0, 0x410, 0x54); /* disable merged mode for analog int-mic */
> + spec->gen.hp_jack_present = snd_hda_jack_detect(codec, spec->gen.autocfg.hp_pins[0]);
> + }
> +
> + snd_hda_gen_update_outputs(codec);
> +}
> +
> +static void cxt_update_headset_mode_hook(struct hda_codec *codec,
> + struct snd_ctl_elem_value *ucontrol)
> +{
> + cxt_update_headset_mode(codec);
> +}
> +
> +static void cxt_fixup_headphone_mic(struct hda_codec *codec,
> + const struct hda_fixup *fix, int action)
> +{
> + struct conexant_spec *spec = codec->spec;
> +
> + switch (action) {
> + case HDA_FIXUP_ACT_PRE_PROBE:
> + spec->parse_flags |= HDA_PINCFG_HEADPHONE_MIC;
> + break;
> + case HDA_FIXUP_ACT_PROBE:
> + spec->gen.cap_sync_hook = cxt_update_headset_mode_hook;
> + spec->gen.automute_hook = cxt_update_headset_mode;
> + break;
> + case HDA_FIXUP_ACT_INIT:
> + cxt_update_headset_mode(codec);
> + break;
> + }
> +}
> +
> +
> /* ThinkPad X200 & co with cxt5051 */
> static const struct hda_pintbl cxt_pincfg_lenovo_x200[] = {
> { 0x16, 0x042140ff }, /* HP (seq# overridden) */
> @@ -3302,6 +3362,19 @@ static const struct hda_fixup cxt_fixups[] = {
> .type = HDA_FIXUP_FUNC,
> .v.func = cxt5066_increase_mic_boost,
> },
> + [CXT_FIXUP_HEADPHONE_MIC_PIN] = {
> + .type = HDA_FIXUP_PINS,
> + .chained = true,
> + .chain_id = CXT_FIXUP_HEADPHONE_MIC,
> + .v.pins = (const struct hda_pintbl[]) {
> + { 0x18, 0x03a1913d }, /* use as headphone mic, without its own jack detect */
> + { }
> + }
> + },
> + [CXT_FIXUP_HEADPHONE_MIC] = {
> + .type = HDA_FIXUP_FUNC,
> + .v.func = cxt_fixup_headphone_mic,
> + },
> };
>
> static const struct snd_pci_quirk cxt5051_fixups[] = {
> @@ -3311,6 +3384,7 @@ static const struct snd_pci_quirk cxt5051_fixups[] = {
>
> static const struct snd_pci_quirk cxt5066_fixups[] = {
> SND_PCI_QUIRK(0x1025, 0x0543, "Acer Aspire One 522", CXT_FIXUP_STEREO_DMIC),
> + SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN),
> SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400", CXT_PINCFG_LENOVO_TP410),
> SND_PCI_QUIRK(0x17aa, 0x215e, "Lenovo T410", CXT_PINCFG_LENOVO_TP410),
> SND_PCI_QUIRK(0x17aa, 0x215f, "Lenovo T510", CXT_PINCFG_LENOVO_TP410),
> @@ -3395,7 +3469,8 @@ static int patch_conexant_auto(struct hda_codec *codec)
>
> snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE);
>
> - err = snd_hda_parse_pin_defcfg(codec, &spec->gen.autocfg, NULL, 0);
> + err = snd_hda_parse_pin_defcfg(codec, &spec->gen.autocfg, NULL,
> + spec->parse_flags);
> if (err < 0)
> goto error;
>
> @@ -3416,6 +3491,8 @@ static int patch_conexant_auto(struct hda_codec *codec)
> codec->bus->allow_bus_reset = 1;
> }
>
> + snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PROBE);
> +
> return 0;
>
> error:
> --
> 1.7.9.5
>