/* TODO: we have to use the shift value atm to represent register
 * id due to current HAL ID MACROS not being unique.
 */
static int put_mixer(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
	struct snd_soc_platform *platform = widget->platform;
	struct omap_abe *abe = snd_soc_platform_get_drvdata(platform);
	struct soc_mixer_control *mc =
		(struct soc_mixer_control *)kcontrol->private_value;

	abe_dsp_pm_get(abe);

	if (ucontrol->value.integer.value[0]) {
		abe->opp.widget[mc->reg] |= ucontrol->value.integer.value[0]<<mc->shift;
		snd_soc_dapm_mixer_update_power(widget, kcontrol, 1);
		omap_aess_enable_gain(abe->aess, mc->reg);
	} else {
		abe->opp.widget[mc->reg] &= ~(0x1<<mc->shift);
		snd_soc_dapm_mixer_update_power(widget, kcontrol, 0);
		omap_aess_disable_gain(abe->aess, mc->reg);
	}

	pm_runtime_put_sync(abe->dev);
	return 1;
}
Beispiel #2
0
/* We have to create a fake left and right HP mixers because
 * the codec only has a single control that is shared by both channels.
 * This makes it impossible to determine the audio path.
 */
static int wm9712_hp_mixer_put(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
	struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
	unsigned int val = ucontrol->value.integer.value[0];
	struct soc_mixer_control *mc =
		(struct soc_mixer_control *)kcontrol->private_value;
	unsigned int mixer, mask, shift, old;
	struct snd_soc_dapm_update update = { 0 };
	bool change;

	mixer = mc->shift >> 8;
	shift = mc->shift & 0xff;
	mask = 1 << shift;

	mutex_lock(&wm9712->lock);
	old = wm9712->hp_mixer[mixer];
	if (ucontrol->value.integer.value[0])
		wm9712->hp_mixer[mixer] |= mask;
	else
		wm9712->hp_mixer[mixer] &= ~mask;

	change = old != wm9712->hp_mixer[mixer];
	if (change) {
		update.kcontrol = kcontrol;
		update.reg = wm9712_mixer_mute_regs[shift];
		update.mask = 0x8000;
		if ((wm9712->hp_mixer[0] & mask) ||
		    (wm9712->hp_mixer[1] & mask))
			update.val = 0x0;
		else
			update.val = 0x8000;

		snd_soc_dapm_mixer_update_power(dapm, kcontrol, val,
			&update);
	}

	mutex_unlock(&wm9712->lock);

	return change;
}
Beispiel #3
0
int tse850_put_mix(struct snd_kcontrol *kctrl,
		   struct snd_ctl_elem_value *ucontrol)
{
	struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kctrl);
	struct snd_soc_card *card = dapm->card;
	struct tse850_priv *tse850 = snd_soc_card_get_drvdata(card);
	int connect = !!ucontrol->value.integer.value[0];

	if (tse850->add_cache == connect)
		return 0;

	/*
	 * Hmmm, this gpiod_set_value_cansleep call should probably happen
	 * inside snd_soc_dapm_mixer_update_power in the loop.
	 */
	gpiod_set_value_cansleep(tse850->add, connect);
	tse850->add_cache = connect;

	snd_soc_dapm_mixer_update_power(dapm, kctrl, connect, NULL);
	return 1;
}