Set the third microphone to a default config of a 'Line In' to be added the Input Source Mux's.
Signed-off-by: Matthew Ranostay mranostay@embeddedalley.com ---
diff --git a/pci/hda/patch_sigmatel.c b/pci/hda/patch_sigmatel.c index b5c1449..5557116 100644 --- a/pci/hda/patch_sigmatel.c +++ b/pci/hda/patch_sigmatel.c @@ -3605,7 +3605,12 @@ static int stac92xx_init(struct hda_codec *codec) for (i = 0; i < AUTO_PIN_LAST; i++) { hda_nid_t nid = cfg->input_pins[i]; if (nid) { - unsigned int pinctl = AC_PINCTL_IN_EN; + unsigned int pinctl = snd_hda_codec_read(codec, nid, + 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0); + /* if PINCTL already set then skip */ + if (pinctl & AC_PINCAP_IN) + continue; + pinctl = AC_PINCTL_IN_EN; if (i == AUTO_PIN_MIC || i == AUTO_PIN_FRONT_MIC) pinctl |= stac92xx_get_vref(codec, nid); stac92xx_auto_set_pinctl(codec, nid, pinctl); @@ -4375,12 +4380,13 @@ again: switch (spec->board_config) { case STAC_HP_M4: spec->num_dmics = 0; - spec->num_smuxes = 1; + spec->num_smuxes = 0; spec->num_dmuxes = 0;
/* enable internal microphone */ - snd_hda_codec_write_cache(codec, 0x0e, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF80); + stac92xx_set_config_reg(codec, 0x0e, 0x01813040); + stac92xx_auto_set_pinctl(codec, 0x0e, + AC_PINCTL_IN_EN | AC_PINCTL_VREF_80); break; default: spec->num_dmics = STAC92HD71BXX_NUM_DMICS;