int
ad1848_mixer_set_port(struct ad1848_softc *ac, struct ad1848_devmap *map,
int cnt, mixer_ctrl_t *cp)
{
ad1848_devmap_t *entry;
struct ad1848_volume vol;
int error = EINVAL;
int dev;
if (!(entry = ad1848_mixer_find_dev(map, cnt, cp)))
return (ENXIO);
dev = entry->dev;
switch (entry->kind) {
case AD1848_KIND_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (dev < AD1848_AUX2_CHANNEL ||
dev > AD1848_MONITOR_CHANNEL)
break;
if (cp->un.value.num_channels != 1 &&
mixer_channel_info[dev].right_reg == 0)
break;
ad1848_to_vol(cp, &vol);
error = ad1848_set_channel_gain(ac, dev, &vol);
break;
case AD1848_KIND_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
ac->mute[dev] = (cp->un.ord ? MUTE_ALL : 0);
ad1848_mute_channel(ac, dev, ac->mute[dev]);
error = 0;
break;
case AD1848_KIND_RECORDGAIN:
if (cp->type != AUDIO_MIXER_VALUE)
break;
ad1848_to_vol(cp, &vol);
error = ad1848_set_rec_gain(ac, &vol);
break;
case AD1848_KIND_MICGAIN:
if (cp->type != AUDIO_MIXER_VALUE)
break;
ad1848_to_vol(cp, &vol);
error = ad1848_set_mic_gain(ac, &vol);
break;
case AD1848_KIND_RECORDSOURCE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
error = ad1848_set_rec_port(ac, cp->un.ord);
break;
default:
printf("Invalid kind\n");
break;
}
return (error);
}
int
ad1848_mixer_get_port(struct ad1848_softc *ac, struct ad1848_devmap *map,
int cnt, mixer_ctrl_t *cp)
{
ad1848_devmap_t *entry;
struct ad1848_volume vol;
int error = EINVAL;
int dev;
if (!(entry = ad1848_mixer_find_dev(map, cnt, cp)))
return (ENXIO);
dev = entry->dev;
mtx_enter(&audio_lock);
switch (entry->kind) {
case AD1848_KIND_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (dev < AD1848_AUX2_CHANNEL ||
dev > AD1848_MONITOR_CHANNEL)
break;
if (cp->un.value.num_channels != 1 &&
mixer_channel_info[dev].right_reg == 0)
break;
error = ad1848_get_device_gain(ac, dev, &vol);
if (!error)
ad1848_from_vol(cp, &vol);
break;
case AD1848_KIND_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
cp->un.ord = ac->mute[dev] ? 1 : 0;
error = 0;
break;
case AD1848_KIND_RECORDGAIN:
if (cp->type != AUDIO_MIXER_VALUE)
break;
error = ad1848_get_rec_gain(ac, &vol);
if (!error)
ad1848_from_vol(cp, &vol);
break;
case AD1848_KIND_MICGAIN:
if (cp->type != AUDIO_MIXER_VALUE)
break;
error = ad1848_get_mic_gain(ac, &vol);
if (!error)
ad1848_from_vol(cp, &vol);
break;
case AD1848_KIND_RECORDSOURCE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
cp->un.ord = ad1848_get_rec_port(ac);
error = 0;
break;
default:
printf("Invalid kind\n");
break;
}
mtx_leave(&audio_lock);
return error;
}