Exemplos de snd_hda_mixer_amp_volume_put em C++ (Cpp)

Exemplo n.º 1

/* overriding mic boost put callback; update mic boost volume only when
 * DC mode is disabled
 */
static int olpc_xo_mic_boost_put(struct snd_kcontrol *kcontrol,
				 struct snd_ctl_elem_value *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct conexant_spec *spec = codec->spec;
	int ret = snd_hda_mixer_amp_volume_put(kcontrol, ucontrol);
	if (ret > 0 && spec->dc_enable)
		olpc_xo_update_mic_boost(codec);
	return ret;
}

Exemplo n.º 2

static int ad1986a_pcm_amp_vol_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
{
	struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
	struct ad198x_spec *ad = codec->spec;
	int i, change = 0;

	down(&ad->amp_mutex);
	for (i = 0; i < ARRAY_SIZE(ad1986a_dac_nids); i++) {
		kcontrol->private_value = HDA_COMPOSE_AMP_VAL(ad1986a_dac_nids[i], 3, 0, HDA_OUTPUT);
		change |= snd_hda_mixer_amp_volume_put(kcontrol, ucontrol);
	}
	kcontrol->private_value = HDA_COMPOSE_AMP_VAL(AD1986A_FRONT_DAC, 3, 0, HDA_OUTPUT);
	up(&ad->amp_mutex);
	return change;
}