Merge remote-tracking branch 'asoc/topic/dapm' into asoc-next

2 files changed, 58 insertions, 0 deletions

diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 344b96c..a6ce2de 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -269,6 +269,13 @@ struct device;
 	.reg = SND_SOC_NOPM, .shift = wdelay, .event = dapm_regulator_event, \
 	.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD, \
 	.on_val = wflags}
+#define SND_SOC_DAPM_PINCTRL(wname, active, sleep) \
+{	.id = snd_soc_dapm_pinctrl, .name = wname, \
+	.priv = (&(struct snd_soc_dapm_pinctrl_priv) \
+		{ .active_state = active, .sleep_state = sleep,}), \
+	.reg = SND_SOC_NOPM, .event = dapm_pinctrl_event, \
+	.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD }
+
 
 
 /* dapm kcontrol types */
@@ -374,6 +381,8 @@ int dapm_regulator_event(struct snd_soc_dapm_widget *w,
 			 struct snd_kcontrol *kcontrol, int event);
 int dapm_clock_event(struct snd_soc_dapm_widget *w,
 			 struct snd_kcontrol *kcontrol, int event);
+int dapm_pinctrl_event(struct snd_soc_dapm_widget *w,
+			 struct snd_kcontrol *kcontrol, int event);
 
 /* dapm controls */
 int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
@@ -500,6 +509,7 @@ enum snd_soc_dapm_type {
 	snd_soc_dapm_pre,			/* machine specific pre widget - exec first */
 	snd_soc_dapm_post,			/* machine specific post widget - exec last */
 	snd_soc_dapm_supply,		/* power/clock supply */
+	snd_soc_dapm_pinctrl,		/* pinctrl */
 	snd_soc_dapm_regulator_supply,	/* external regulator */
 	snd_soc_dapm_clock_supply,	/* external clock */
 	snd_soc_dapm_aif_in,		/* audio interface input */
@@ -581,6 +591,7 @@ struct snd_soc_dapm_widget {
 
 	void *priv;				/* widget specific data */
 	struct regulator *regulator;		/* attached regulator */
+	struct pinctrl *pinctrl;		/* attached pinctrl */
 	const struct snd_soc_pcm_stream *params; /* params for dai links */
 	unsigned int num_params; /* number of params for dai links */
 	unsigned int params_select; /* currently selected param for dai link */
@@ -683,6 +694,11 @@ struct snd_soc_dapm_stats {
 	int neighbour_checks;
 };
 
+struct snd_soc_dapm_pinctrl_priv {
+	const char *active_state;
+	const char *sleep_state;
+};
+
 /**
  * snd_soc_dapm_init_bias_level() - Initialize DAPM bias level
  * @dapm: The DAPM context to initialize
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 92894d9..a5fb4d4 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -35,6 +35,7 @@
 #include <linux/debugfs.h>
 #include <linux/pm_runtime.h>
 #include <linux/regulator/consumer.h>
+#include <linux/pinctrl/consumer.h>
 #include <linux/clk.h>
 #include <linux/slab.h>
 #include <sound/core.h>
@@ -72,6 +73,7 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
 static int dapm_up_seq[] = {
 	[snd_soc_dapm_pre] = 0,
 	[snd_soc_dapm_regulator_supply] = 1,
+	[snd_soc_dapm_pinctrl] = 1,
 	[snd_soc_dapm_clock_supply] = 1,
 	[snd_soc_dapm_supply] = 2,
 	[snd_soc_dapm_micbias] = 3,
@@ -121,6 +123,7 @@ static int dapm_down_seq[] = {
 	[snd_soc_dapm_dai_link] = 11,
 	[snd_soc_dapm_supply] = 12,
 	[snd_soc_dapm_clock_supply] = 13,
+	[snd_soc_dapm_pinctrl] = 13,
 	[snd_soc_dapm_regulator_supply] = 13,
 	[snd_soc_dapm_post] = 14,
 };
@@ -1290,6 +1293,31 @@ int dapm_regulator_event(struct snd_soc_dapm_widget *w,
 EXPORT_SYMBOL_GPL(dapm_regulator_event);
 
 /*
+ * Handler for pinctrl widget.
+ */
+int dapm_pinctrl_event(struct snd_soc_dapm_widget *w,
+		       struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_dapm_pinctrl_priv *priv = w->priv;
+	struct pinctrl *p = w->pinctrl;
+	struct pinctrl_state *s;
+
+	if (!p || !priv)
+		return -EIO;
+
+	if (SND_SOC_DAPM_EVENT_ON(event))
+		s = pinctrl_lookup_state(p, priv->active_state);
+	else
+		s = pinctrl_lookup_state(p, priv->sleep_state);
+
+	if (IS_ERR(s))
+		return PTR_ERR(s);
+
+	return pinctrl_select_state(p, s);
+}
+EXPORT_SYMBOL_GPL(dapm_pinctrl_event);
+
+/*
  * Handler for clock supply widget.
  */
 int dapm_clock_event(struct snd_soc_dapm_widget *w,
@@ -1902,6 +1930,7 @@ static int dapm_power_widgets(struct snd_soc_card *card, int event)
 				break;
 			case snd_soc_dapm_supply:
 			case snd_soc_dapm_regulator_supply:
+			case snd_soc_dapm_pinctrl:
 			case snd_soc_dapm_clock_supply:
 			case snd_soc_dapm_micbias:
 				if (d->target_bias_level < SND_SOC_BIAS_STANDBY)
@@ -2315,6 +2344,7 @@ static ssize_t dapm_widget_show_component(struct snd_soc_component *cmpnt,
 		case snd_soc_dapm_mixer_named_ctl:
 		case snd_soc_dapm_supply:
 		case snd_soc_dapm_regulator_supply:
+		case snd_soc_dapm_pinctrl:
 		case snd_soc_dapm_clock_supply:
 			if (w->name)
 				count += sprintf(buf + count, "%s: %s\n",
@@ -3464,6 +3494,17 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
 					 w->name, ret);
 		}
 		break;
+	case snd_soc_dapm_pinctrl:
+		w->pinctrl = devm_pinctrl_get(dapm->dev);
+		if (IS_ERR_OR_NULL(w->pinctrl)) {
+			ret = PTR_ERR(w->pinctrl);
+			if (ret == -EPROBE_DEFER)
+				return ERR_PTR(ret);
+			dev_err(dapm->dev, "ASoC: Failed to request %s: %d\n",
+				w->name, ret);
+			return NULL;
+		}
+		break;
 	case snd_soc_dapm_clock_supply:
 #ifdef CONFIG_CLKDEV_LOOKUP
 		w->clk = devm_clk_get(dapm->dev, w->name);
@@ -3543,6 +3584,7 @@ snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
 		break;
 	case snd_soc_dapm_supply:
 	case snd_soc_dapm_regulator_supply:
+	case snd_soc_dapm_pinctrl:
 	case snd_soc_dapm_clock_supply:
 	case snd_soc_dapm_kcontrol:
 		w->is_supply = 1;