C++ (Cpp) snd_hda_codec_set_pincfg Examples

Example #1

File: patch_cirrus.c Project: AlexShiLucky/linux

static void cs4210_pinmux_init(struct hda_codec *codec)
{
	struct cs_spec *spec = codec->spec;
	unsigned int def_conf, coef;

	/* GPIO, DMIC_SCL, DMIC_SDA and SENSE_B are multiplexed */
	coef = cs_vendor_coef_get(codec, CS421X_IDX_DEV_CFG);

	if (spec->gpio_mask)
		coef |= 0x0008; /* B1,B2 are GPIOs */
	else
		coef &= ~0x0008;

	if (spec->sense_b)
		coef |= 0x0010; /* B2 is SENSE_B, not inverted  */
	else
		coef &= ~0x0010;

	cs_vendor_coef_set(codec, CS421X_IDX_DEV_CFG, coef);

	if ((spec->gpio_mask || spec->sense_b) &&
	    is_active_pin(codec, CS421X_DMIC_PIN_NID)) {

		/*
		    GPIO or SENSE_B forced - disconnect the DMIC pin.
		*/
		def_conf = snd_hda_codec_get_pincfg(codec, CS421X_DMIC_PIN_NID);
		def_conf &= ~AC_DEFCFG_PORT_CONN;
		def_conf |= (AC_JACK_PORT_NONE << AC_DEFCFG_PORT_CONN_SHIFT);
		snd_hda_codec_set_pincfg(codec, CS421X_DMIC_PIN_NID, def_conf);
	}
}

Example #2

File: hda_auto_parser.c Project: AllenDou/linux

void snd_hda_apply_pincfgs(struct hda_codec *codec,
			   const struct hda_pintbl *cfg)
{
	for (; cfg->nid; cfg++)
		snd_hda_codec_set_pincfg(codec, cfg->nid, cfg->val);
}