From: Laim Girdwood <lg@opensource.wolfsonmicro.com>
Date: Thu, 10 Jan 2008 13:41:02 +0000 (+0100)
Subject: [ALSA] soc - Add support for passing kcontrols with events
X-Git-Tag: v2.6.25-rc1~1127^2~134
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=9af6d9562414568ecadf96aaef5b88e7e8b19821;p=linux-2.6-omap-h63xx.git

[ALSA] soc - Add support for passing kcontrols with events


Signed-off-by: Laim Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---

diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 491f81e8984..a105b01e06d 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -289,7 +289,7 @@ struct snd_soc_dapm_widget {
 
 	/* external events */
 	unsigned short event_flags;		/* flags to specify event types */
-	int (*event)(struct snd_soc_dapm_widget*, int);
+	int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int);
 
 	/* kcontrols that relate to this widget */
 	int num_kcontrols;
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index d033e73103a..8b61db2f639 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -523,11 +523,13 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
 					continue;
 
 				if (event == SND_SOC_DAPM_STREAM_START) {
-					ret = w->event(w, SND_SOC_DAPM_PRE_PMU);
+					ret = w->event(w,
+						NULL, SND_SOC_DAPM_PRE_PMU);
 					if (ret < 0)
 						return ret;
 				} else if (event == SND_SOC_DAPM_STREAM_STOP) {
-					ret = w->event(w, SND_SOC_DAPM_PRE_PMD);
+					ret = w->event(w,
+						NULL, SND_SOC_DAPM_PRE_PMD);
 					if (ret < 0)
 						return ret;
 				}
@@ -538,11 +540,13 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
 					continue;
 
 				if (event == SND_SOC_DAPM_STREAM_START) {
-					ret = w->event(w, SND_SOC_DAPM_POST_PMU);
+					ret = w->event(w,
+						NULL, SND_SOC_DAPM_POST_PMU);
 					if (ret < 0)
 						return ret;
 				} else if (event == SND_SOC_DAPM_STREAM_STOP) {
-					ret = w->event(w, SND_SOC_DAPM_POST_PMD);
+					ret = w->event(w,
+						NULL, SND_SOC_DAPM_POST_PMD);
 					if (ret < 0)
 						return ret;
 				}
@@ -566,26 +570,30 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
 					if (power) {
 						/* power up event */
 						if (w->event_flags & SND_SOC_DAPM_PRE_PMU) {
-							ret = w->event(w, SND_SOC_DAPM_PRE_PMU);
+							ret = w->event(w,
+								NULL, SND_SOC_DAPM_PRE_PMU);
 							if (ret < 0)
 								return ret;
 						}
 						dapm_update_bits(w);
 						if (w->event_flags & SND_SOC_DAPM_POST_PMU){
-							ret = w->event(w, SND_SOC_DAPM_POST_PMU);
+							ret = w->event(w,
+								NULL, SND_SOC_DAPM_POST_PMU);
 							if (ret < 0)
 								return ret;
 						}
 					} else {
 						/* power down event */
 						if (w->event_flags & SND_SOC_DAPM_PRE_PMD) {
-							ret = w->event(w, SND_SOC_DAPM_PRE_PMD);
+							ret = w->event(w,
+								NULL, SND_SOC_DAPM_PRE_PMD);
 							if (ret < 0)
 								return ret;
 						}
 						dapm_update_bits(w);
 						if (w->event_flags & SND_SOC_DAPM_POST_PMD) {
-							ret = w->event(w, SND_SOC_DAPM_POST_PMD);
+							ret = w->event(w,
+								NULL, SND_SOC_DAPM_POST_PMD);
 							if (ret < 0)
 								return ret;
 						}
@@ -1095,13 +1103,17 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
 	dapm_mixer_update_power(widget, kcontrol, reg, val_mask, val, invert);
 	if (widget->event) {
 		if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
-			ret = widget->event(widget, SND_SOC_DAPM_PRE_REG);
-			if (ret < 0)
+			ret = widget->event(widget, kcontrol,
+						SND_SOC_DAPM_PRE_REG);
+			if (ret < 0) {
+				ret = 1;
 				goto out;
+			}
 		}
 		ret = snd_soc_update_bits(widget->codec, reg, val_mask, val);
 		if (widget->event_flags & SND_SOC_DAPM_POST_REG)
-			ret = widget->event(widget, SND_SOC_DAPM_POST_REG);
+			ret = widget->event(widget, kcontrol,
+						SND_SOC_DAPM_POST_REG);
 	} else
 		ret = snd_soc_update_bits(widget->codec, reg, val_mask, val);
 
@@ -1176,13 +1188,15 @@ int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
 	dapm_mux_update_power(widget, kcontrol, mask, mux, e);
 	if (widget->event) {
 		if (widget->event_flags & SND_SOC_DAPM_PRE_REG) {
-			ret = widget->event(widget, SND_SOC_DAPM_PRE_REG);
+			ret = widget->event(widget,
+				kcontrol, SND_SOC_DAPM_PRE_REG);
 			if (ret < 0)
 				goto out;
 		}
 		ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);
 		if (widget->event_flags & SND_SOC_DAPM_POST_REG)
-			ret = widget->event(widget, SND_SOC_DAPM_POST_REG);
+			ret = widget->event(widget,
+				kcontrol, SND_SOC_DAPM_POST_REG);
 	} else
 		ret = snd_soc_update_bits(widget->codec, e->reg, mask, val);