C++ (Cpp) snd_hda_set_pin_ctl示例

示例#1

文件： patch_ca0110.c 项目： ARMWorks/FA_2451_Linux_Kernel

static void init_output(struct hda_codec *codec, hda_nid_t pin, hda_nid_t dac)
{
	if (pin) {
		snd_hda_set_pin_ctl(codec, pin, PIN_HP);
		if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
			snd_hda_codec_write(codec, pin, 0,
					    AC_VERB_SET_AMP_GAIN_MUTE,
					    AMP_OUT_UNMUTE);
	}
	if (dac)
		snd_hda_codec_write(codec, dac, 0,
				    AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO);
}

示例#2

文件： patch_ca0110.c 项目： ARMWorks/FA_2451_Linux_Kernel

static void init_input(struct hda_codec *codec, hda_nid_t pin, hda_nid_t adc)
{
	if (pin) {
		snd_hda_set_pin_ctl(codec, pin, PIN_IN |
				    snd_hda_get_default_vref(codec, pin));
		if (get_wcaps(codec, pin) & AC_WCAP_IN_AMP)
			snd_hda_codec_write(codec, pin, 0,
					    AC_VERB_SET_AMP_GAIN_MUTE,
					    AMP_IN_UNMUTE(0));
	}
	if (adc)
		snd_hda_codec_write(codec, adc, 0, AC_VERB_SET_AMP_GAIN_MUTE,
				    AMP_IN_UNMUTE(0));
}

示例#3

文件： patch_cirrus.c 项目： AlexShiLucky/linux

static void cs4210_spdif_automute(struct hda_codec *codec,
				  struct hda_jack_callback *tbl)
{
	struct cs_spec *spec = codec->spec;
	bool spdif_present = false;
	hda_nid_t spdif_pin = spec->gen.autocfg.dig_out_pins[0];

	/* detect on spdif is specific to CS4210 */
	if (!spec->spdif_detect ||
	    spec->vendor_nid != CS4210_VENDOR_NID)
		return;

	spdif_present = snd_hda_jack_detect(codec, spdif_pin);
	if (spdif_present == spec->spdif_present)
		return;

	spec->spdif_present = spdif_present;
	/* SPDIF TX on/off */
	snd_hda_set_pin_ctl(codec, spdif_pin, spdif_present ? PIN_OUT : 0);

	cs_automute(codec);
}