9.加widget, 模拟codec的两条complete path

vcodec.c

@@ -13,6 +13,8 @@
 
 enum reg {
 	VCODEC_DAC_VOL_CTRL,
+	VCODEC_ADCL_REG,
+	VCODEC_DAC_REG,
 	VCODEC_CTRL_NUM
 };
 
@@ -27,9 +29,100 @@ static const struct snd_kcontrol_new vcodec_codec_controls[] = {
 		       0xFF, 0, dac_vol_tlv),
 };
 
+/* mic controls */
+static const struct snd_kcontrol_new mic1_input_mixer[] = {
+	SOC_DAPM_SINGLE("MIC1 Boost Switch", VCODEC_ADCL_REG, 0, 1, 0),
+};
+
+static int vcodec_capture_event(struct snd_soc_dapm_widget *w,
+				struct snd_kcontrol *k, int event) {
+	//struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		printk("-%s,SND_SOC_DAPM_POST_PMU\n",__func__);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		printk("-%s,SND_SOC_DAPM_POST_PMD\n",__func__);
+		break;
+	default:
+		break;
+	}
+	return 0;
+};
+
+static int vcodec_playback_event(struct snd_soc_dapm_widget *w,
+				struct snd_kcontrol *k, int event) {
+	//struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		printk("-%s,SND_SOC_DAPM_PRE_PMU\n",__func__);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		printk("-%s,SND_SOC_DAPM_POST_PMD\n",__func__);
+		break;
+	default:
+		break;
+	}
+	return 0;
+};
+
+static int vcodec_hpspeaker_event(struct snd_soc_dapm_widget *w,
+				struct snd_kcontrol *k, int event) {
+	//struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+	
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		printk("-%s,SND_SOC_DAPM_POST_PMU\n",__func__);
+		//这里可以拉高gpio, 使能功放
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		printk("-%s,SND_SOC_DAPM_PRE_PMD\n",__func__);
+		////这里可以拉低gpio, 失能功放
+
+		break;
+	default:
+		break;
+	}
+	return 0;	
+}
+
+static const struct snd_soc_dapm_widget vcodec_dapm_widgets[] = {
+	SND_SOC_DAPM_INPUT("MIC1"),
+	SND_SOC_DAPM_MIXER("ADCL Input", SND_SOC_NOPM, 0, 0,
+				mic1_input_mixer,
+				ARRAY_SIZE(mic1_input_mixer)),
+	SND_SOC_DAPM_AIF_OUT_E("ADCL", "Capture", 0, VCODEC_ADCL_REG,
+				8, 0,
+				vcodec_capture_event,
+				SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+	
+	
+	SND_SOC_DAPM_AIF_IN_E("DACL", "Playback", 0, VCODEC_DAC_REG,
+				0, 0,
+				vcodec_playback_event,
+				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+	SND_SOC_DAPM_OUTPUT("HPOUTL"),
+	SND_SOC_DAPM_SPK("HpSpeaker", vcodec_hpspeaker_event),
+};
+
+static const struct snd_soc_dapm_route vcodec_dapm_routes[] = {
+	/* Mic input route */
+	{"ADCL Input", "MIC1 Boost Switch", "MIC1"},
+	{"ADCL", NULL, "ADCL Input"},
+	
+	/* Headphone output route */
+	{"HPOUTL", NULL, "DACL"},
+	{"HpSpeaker", NULL, "HPOUTL"},
+	
+};
+
 static int vcodec_probe(struct snd_soc_codec *codec)
 {
 	int ret = 0;
+	struct snd_soc_dapm_context *dapm = &codec->component.dapm;
+	
 	printk("-%s,line:%d\n",__func__,__LINE__);
 	
 	/* 1.加controls */
@@ -40,7 +133,14 @@ static int vcodec_probe(struct snd_soc_codec *codec)
 		return ret;
 	}
 	
-	/* 2.初始化codec */
+	/* 2. 注册widgets和routes */
+	snd_soc_dapm_new_controls(dapm, vcodec_dapm_widgets,
+				ARRAY_SIZE(vcodec_dapm_widgets));
+	snd_soc_dapm_add_routes(dapm, vcodec_dapm_routes,
+				ARRAY_SIZE(vcodec_dapm_routes));
+	
+	/* 3.初始化codec */
+	reg_data[VCODEC_DAC_VOL_CTRL] = 0x0d0d;		//初始化音量
 
 	return ret;
 }
@@ -161,6 +261,7 @@ static struct snd_soc_dai_driver vcodec_dai[] = {
 	{
 		.name	= "vcodec_dai",
 		.playback = {
+			.stream_name = "Playback",
 			.channels_min = 1,
 			.channels_max = 2,
 			.rates = SNDRV_PCM_RATE_8000_192000 |
@@ -170,6 +271,7 @@ static struct snd_soc_dai_driver vcodec_dai[] = {
 				SNDRV_PCM_FMTBIT_S32_LE,
 		},
 		.capture = {
+			.stream_name = "Capture",
 			.channels_min = 1,
 			.channels_max = 2,
 			.rates = SNDRV_PCM_RATE_8000_48000 |