示例#1
0
static int
ad1816mix_init(struct snd_mixer *m)
{
    mix_setdevs(m, AD1816_MIXER_DEVICES);
    mix_setrecdevs(m, AD1816_REC_DEVICES);
    return 0;
}
示例#2
0
static int
a10codec_mixer_init(struct snd_mixer *m)
{
	struct a10codec_info *sc = mix_getdevinfo(m);
	pcell_t prop[4];
	phandle_t node;
	device_t gpio;
	uint32_t val;
	ssize_t len;
	int pin;

	mix_setdevs(m, SOUND_MASK_VOLUME | SOUND_MASK_LINE | SOUND_MASK_RECLEV);
	mix_setrecdevs(m, SOUND_MASK_LINE | SOUND_MASK_LINE1 | SOUND_MASK_MIC);

	/* Unmute input source to PA */
	val = CODEC_READ(sc, AC_DAC_ACTL);
	val |= DAC_ACTL_PAMUTE;
	CODEC_WRITE(sc, AC_DAC_ACTL, val);

	/* Enable PA */
	val = CODEC_READ(sc, AC_ADC_ACTL);
	val |= ADC_ACTL_PA_EN;
	CODEC_WRITE(sc, AC_ADC_ACTL, val);

	/* Unmute PA */
	node = ofw_bus_get_node(sc->dev);
	len = OF_getencprop(node, "allwinner,pa-gpios", prop, sizeof(prop));
	if (len > 0 && (len / sizeof(prop[0])) == 4) {
		gpio = OF_device_from_xref(prop[0]);
		if (gpio != NULL) {
			pin = prop[1] * 32 + prop[2];
			GPIO_PIN_SETFLAGS(gpio, pin, GPIO_PIN_OUTPUT);
			GPIO_PIN_SET(gpio, pin, GPIO_PIN_LOW);
		}
	}

	return (0);
}