Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit c960a03b authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
Browse files

[ALSA] hda-codec - Fix VREF level of Mic inputs on STAC92xx codecs 



Fixed VREF level of Mic inputs on STAC92xx codecs (ALSA bug#1953).

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent d681518a

sound/pci/hda/patch_sigmatel.c

+29 −6
Original line number Diff line number Diff line
@@ -534,6 +534,22 @@ static int stac92xx_build_pcms(struct hda_codec *codec) 
	return 0;

}



static unsigned int stac92xx_get_vref(struct hda_codec *codec, hda_nid_t nid)

{

	unsigned int pincap = snd_hda_param_read(codec, nid,

						 AC_PAR_PIN_CAP);

	pincap = (pincap & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;

	if (pincap & AC_PINCAP_VREF_100)

		return AC_PINCTL_VREF_100;

	if (pincap & AC_PINCAP_VREF_80)

		return AC_PINCTL_VREF_80;

	if (pincap & AC_PINCAP_VREF_50)

		return AC_PINCTL_VREF_50;

	if (pincap & AC_PINCAP_VREF_GRD)

		return AC_PINCTL_VREF_GRD;

	return 0;

}



static void stac92xx_auto_set_pinctl(struct hda_codec *codec, hda_nid_t nid, int pin_type)



{
@@ -571,9 +587,12 @@ static int stac92xx_io_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ 


	if (val)

		stac92xx_auto_set_pinctl(codec, nid, AC_PINCTL_OUT_EN);

	else

		stac92xx_auto_set_pinctl(codec, nid, AC_PINCTL_IN_EN);



	else {

		unsigned int pinctl = AC_PINCTL_IN_EN;

		if (io_idx) /* set VREF for mic */

			pinctl |= stac92xx_get_vref(codec, nid);

		stac92xx_auto_set_pinctl(codec, nid, pinctl);

	}

        return 1;

}
@@ -951,9 +970,13 @@ static int stac92xx_init(struct hda_codec *codec) 
		stac92xx_auto_init_hp_out(codec);

	}

	for (i = 0; i < AUTO_PIN_LAST; i++) {

		if (cfg->input_pins[i])

			stac92xx_auto_set_pinctl(codec, cfg->input_pins[i],

						 AC_PINCTL_IN_EN);

		hda_nid_t nid = cfg->input_pins[i];

		if (nid) {

			unsigned int 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);

		}

	}

	if (cfg->dig_out_pin)

		stac92xx_auto_set_pinctl(codec, cfg->dig_out_pin,