---

yaml --- r: 99047 b: refs/heads/master c: 0be9898 h: refs/heads/master i: 99045: 01efbac 99043: 5bfb7e7 99039: bd24ee3 v: v3
git-mirror · May 19, 2008 · b08b125 · b08b125
1 parent 772118c
commit b08b125
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Showing 11 changed files with 151 additions and 131 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1ef6ab75c7deef931d6308af282ed7d8e480e77f
+refs/heads/master: 0be9898adb6f58fee44f0fec0bbc0eac997ea9eb
diff --git a/trunk/include/sound/soc-dapm.h b/trunk/include/sound/soc-dapm.h
@@ -221,7 +221,8 @@ int snd_soc_dapm_add_routes(struct snd_soc_codec *codec,
 /* dapm events */
 int snd_soc_dapm_stream_event(struct snd_soc_codec *codec, char *stream,
 	int event);
-int snd_soc_dapm_device_event(struct snd_soc_device *socdev, int event);
+int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev,
+	enum snd_soc_bias_level level);
 
 /* dapm sys fs - used by the core */
 int snd_soc_dapm_sys_add(struct device *dev);

diff --git a/trunk/include/sound/soc.h b/trunk/include/sound/soc.h
@@ -102,6 +102,24 @@
 	.get = xhandler_get, .put = xhandler_put, \
 	.private_value = (unsigned long)&xenum }
 
+/*
+ * Bias levels
+ *
+ * @ON:      Bias is fully on for audio playback and capture operations.
+ * @PREPARE: Prepare for audio operations. Called before DAPM switching for
+ *           stream start and stop operations.
+ * @STANDBY: Low power standby state when no playback/capture operations are
+ *           in progress. NOTE: The transition time between STANDBY and ON
+ *           should be as fast as possible and no longer than 10ms.
+ * @OFF:     Power Off. No restrictions on transition times.
+ */
+enum snd_soc_bias_level {
+	SND_SOC_BIAS_ON,
+	SND_SOC_BIAS_PREPARE,
+	SND_SOC_BIAS_STANDBY,
+	SND_SOC_BIAS_OFF,
+};
+
 /*
  * Digital Audio Interface (DAI) types
  */
@@ -356,7 +374,8 @@ struct snd_soc_codec {
 	struct mutex mutex;
 
 	/* callbacks */
-	int (*dapm_event)(struct snd_soc_codec *codec, int event);
+	int (*set_bias_level)(struct snd_soc_codec *,
+			      enum snd_soc_bias_level level);
 
 	/* runtime */
 	struct snd_card *card;
@@ -378,8 +397,8 @@ struct snd_soc_codec {
 	/* dapm */
 	struct list_head dapm_widgets;
 	struct list_head dapm_paths;
-	unsigned int dapm_state;
-	unsigned int suspend_dapm_state;
+	enum snd_soc_bias_level bias_level;
+	enum snd_soc_bias_level suspend_bias_level;
 	struct delayed_work delayed_work;
 
 	/* codec DAI's */
@@ -449,7 +468,8 @@ struct snd_soc_machine {
 	int (*resume_post)(struct platform_device *pdev);
 
 	/* callbacks */
-	int (*dapm_event)(struct snd_soc_machine *, int event);
+	int (*set_bias_level)(struct snd_soc_machine *,
+			      enum snd_soc_bias_level level);
 
 	/* CPU <--> Codec DAI links  */
 	struct snd_soc_dai_link *dai_link;

diff --git a/trunk/sound/soc/codecs/tlv320aic3x.c b/trunk/sound/soc/codecs/tlv320aic3x.c
@@ -847,13 +847,14 @@ static int aic3x_set_dai_fmt(struct snd_soc_codec_dai *codec_dai,
 	return 0;
 }
 
-static int aic3x_dapm_event(struct snd_soc_codec *codec, int event)
+static int aic3x_set_bias_level(struct snd_soc_codec *codec,
+				enum snd_soc_bias_level level)
 {
 	struct aic3x_priv *aic3x = codec->private_data;
 	u8 reg;
 
-	switch (event) {
-	case SNDRV_CTL_POWER_D0:
+	switch (level) {
+	case SND_SOC_BIAS_ON:
 		/* all power is driven by DAPM system */
 		if (aic3x->master) {
 			/* enable pll */
@@ -862,10 +863,9 @@ static int aic3x_dapm_event(struct snd_soc_codec *codec, int event)
 				    reg | PLL_ENABLE);
 		}
 		break;
-	case SNDRV_CTL_POWER_D1:
-	case SNDRV_CTL_POWER_D2:
+	case SND_SOC_BIAS_PREPARE:
 		break;
-	case SNDRV_CTL_POWER_D3hot:
+	case SND_SOC_BIAS_STANDBY:
 		/*
 		 * all power is driven by DAPM system,
 		 * so output power is safe if bypass was set
@@ -877,7 +877,7 @@ static int aic3x_dapm_event(struct snd_soc_codec *codec, int event)
 				    reg & ~PLL_ENABLE);
 		}
 		break;
-	case SNDRV_CTL_POWER_D3cold:
+	case SND_SOC_BIAS_OFF:
 		/* force all power off */
 		reg = aic3x_read_reg_cache(codec, LINE1L_2_LADC_CTRL);
 		aic3x_write(codec, LINE1L_2_LADC_CTRL, reg & ~LADC_PWR_ON);
@@ -913,7 +913,7 @@ static int aic3x_dapm_event(struct snd_soc_codec *codec, int event)
 		}
 		break;
 	}
-	codec->dapm_state = event;
+	codec->bias_level = level;
 
 	return 0;
 }
@@ -979,7 +979,7 @@ static int aic3x_suspend(struct platform_device *pdev, pm_message_t state)
 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 	struct snd_soc_codec *codec = socdev->codec;
 
-	aic3x_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+	aic3x_set_bias_level(codec, SND_SOC_BIAS_OFF);
 
 	return 0;
 }
@@ -999,7 +999,7 @@ static int aic3x_resume(struct platform_device *pdev)
 		codec->hw_write(codec->control_data, data, 2);
 	}
 
-	aic3x_dapm_event(codec, codec->suspend_dapm_state);
+	aic3x_set_bias_level(codec, codec->suspend_bias_level);
 
 	return 0;
 }
@@ -1018,7 +1018,7 @@ static int aic3x_init(struct snd_soc_device *socdev)
 	codec->owner = THIS_MODULE;
 	codec->read = aic3x_read_reg_cache;
 	codec->write = aic3x_write;
-	codec->dapm_event = aic3x_dapm_event;
+	codec->set_bias_level = aic3x_set_bias_level;
 	codec->dai = &aic3x_dai;
 	codec->num_dai = 1;
 	codec->reg_cache_size = sizeof(aic3x_reg);
@@ -1100,7 +1100,7 @@ static int aic3x_init(struct snd_soc_device *socdev)
 	aic3x_write(codec, LINE2R_2_MONOLOPM_VOL, DEFAULT_VOL);
 
 	/* off, with power on */
-	aic3x_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+	aic3x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
 	/* setup GPIO functions */
 	aic3x_write(codec, AIC3X_GPIO1_REG, (setup->gpio_func[0] & 0xf) << 4);
@@ -1271,7 +1271,7 @@ static int aic3x_remove(struct platform_device *pdev)
 
 	/* power down chip */
 	if (codec->control_data)
-		aic3x_dapm_event(codec, SNDRV_CTL_POWER_D3);
+		aic3x_set_bias_level(codec, SND_SOC_BIAS_OFF);
 
 	snd_soc_free_pcms(socdev);
 	snd_soc_dapm_free(socdev);

diff --git a/trunk/sound/soc/codecs/wm8731.c b/trunk/sound/soc/codecs/wm8731.c
@@ -435,29 +435,29 @@ static int wm8731_set_dai_fmt(struct snd_soc_codec_dai *codec_dai,
 	return 0;
 }
 
-static int wm8731_dapm_event(struct snd_soc_codec *codec, int event)
+static int wm8731_set_bias_level(struct snd_soc_codec *codec,
+				 enum snd_soc_bias_level level)
 {
 	u16 reg = wm8731_read_reg_cache(codec, WM8731_PWR) & 0xff7f;
 
-	switch (event) {
-	case SNDRV_CTL_POWER_D0: /* full On */
+	switch (level) {
+	case SND_SOC_BIAS_ON:
 		/* vref/mid, osc on, dac unmute */
 		wm8731_write(codec, WM8731_PWR, reg);
 		break;
-	case SNDRV_CTL_POWER_D1: /* partial On */
-	case SNDRV_CTL_POWER_D2: /* partial On */
+	case SND_SOC_BIAS_PREPARE:
 		break;
-	case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+	case SND_SOC_BIAS_STANDBY:
 		/* everything off except vref/vmid, */
 		wm8731_write(codec, WM8731_PWR, reg | 0x0040);
 		break;
-	case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+	case SND_SOC_BIAS_OFF:
 		/* everything off, dac mute, inactive */
 		wm8731_write(codec, WM8731_ACTIVE, 0x0);
 		wm8731_write(codec, WM8731_PWR, 0xffff);
 		break;
 	}
-	codec->dapm_state = event;
+	codec->bias_level = level;
 	return 0;
 }
 
@@ -503,7 +503,7 @@ static int wm8731_suspend(struct platform_device *pdev, pm_message_t state)
 	struct snd_soc_codec *codec = socdev->codec;
 
 	wm8731_write(codec, WM8731_ACTIVE, 0x0);
-	wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+	wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF);
 	return 0;
 }
 
@@ -521,8 +521,8 @@ static int wm8731_resume(struct platform_device *pdev)
 		data[1] = cache[i] & 0x00ff;
 		codec->hw_write(codec->control_data, data, 2);
 	}
-	wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
-	wm8731_dapm_event(codec, codec->suspend_dapm_state);
+	wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+	wm8731_set_bias_level(codec, codec->suspend_bias_level);
 	return 0;
 }
 
@@ -539,7 +539,7 @@ static int wm8731_init(struct snd_soc_device *socdev)
 	codec->owner = THIS_MODULE;
 	codec->read = wm8731_read_reg_cache;
 	codec->write = wm8731_write;
-	codec->dapm_event = wm8731_dapm_event;
+	codec->set_bias_level = wm8731_set_bias_level;
 	codec->dai = &wm8731_dai;
 	codec->num_dai = 1;
 	codec->reg_cache_size = sizeof(wm8731_reg);
@@ -557,7 +557,7 @@ static int wm8731_init(struct snd_soc_device *socdev)
 	}
 
 	/* power on device */
-	wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+	wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
 	/* set the update bits */
 	reg = wm8731_read_reg_cache(codec, WM8731_LOUT1V);
@@ -730,7 +730,7 @@ static int wm8731_remove(struct platform_device *pdev)
 	struct snd_soc_codec *codec = socdev->codec;
 
 	if (codec->control_data)
-		wm8731_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+		wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF);
 
 	snd_soc_free_pcms(socdev);
 	snd_soc_dapm_free(socdev);

diff --git a/trunk/sound/soc/codecs/wm8750.c b/trunk/sound/soc/codecs/wm8750.c
@@ -686,29 +686,29 @@ static int wm8750_mute(struct snd_soc_codec_dai *dai, int mute)
 	return 0;
 }
 
-static int wm8750_dapm_event(struct snd_soc_codec *codec, int event)
+static int wm8750_set_bias_level(struct snd_soc_codec *codec,
+				 enum snd_soc_bias_level level)
 {
 	u16 pwr_reg = wm8750_read_reg_cache(codec, WM8750_PWR1) & 0xfe3e;
 
-	switch (event) {
-	case SNDRV_CTL_POWER_D0: /* full On */
+	switch (level) {
+	case SND_SOC_BIAS_ON:
 		/* set vmid to 50k and unmute dac */
 		wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x00c0);
 		break;
-	case SNDRV_CTL_POWER_D1: /* partial On */
-	case SNDRV_CTL_POWER_D2: /* partial On */
+	case SND_SOC_BIAS_PREPARE:
 		/* set vmid to 5k for quick power up */
 		wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x01c1);
 		break;
-	case SNDRV_CTL_POWER_D3hot: /* Off, with power */
+	case SND_SOC_BIAS_STANDBY:
 		/* mute dac and set vmid to 500k, enable VREF */
 		wm8750_write(codec, WM8750_PWR1, pwr_reg | 0x0141);
 		break;
-	case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+	case SND_SOC_BIAS_OFF:
 		wm8750_write(codec, WM8750_PWR1, 0x0001);
 		break;
 	}
-	codec->dapm_state = event;
+	codec->bias_level = level;
 	return 0;
 }
 
@@ -748,15 +748,15 @@ static void wm8750_work(struct work_struct *work)
 {
 	struct snd_soc_codec *codec =
 		container_of(work, struct snd_soc_codec, delayed_work.work);
-	wm8750_dapm_event(codec, codec->dapm_state);
+	wm8750_set_bias_level(codec, codec->bias_level);
 }
 
 static int wm8750_suspend(struct platform_device *pdev, pm_message_t state)
 {
 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 	struct snd_soc_codec *codec = socdev->codec;
 
-	wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+	wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF);
 	return 0;
 }
 
@@ -777,12 +777,12 @@ static int wm8750_resume(struct platform_device *pdev)
 		codec->hw_write(codec->control_data, data, 2);
 	}
 
-	wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+	wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
 	/* charge wm8750 caps */
-	if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) {
-		wm8750_dapm_event(codec, SNDRV_CTL_POWER_D2);
-		codec->dapm_state = SNDRV_CTL_POWER_D0;
+	if (codec->suspend_bias_level == SND_SOC_BIAS_ON) {
+		wm8750_set_bias_level(codec, SND_SOC_BIAS_PREPARE);
+		codec->bias_level = SND_SOC_BIAS_ON;
 		schedule_delayed_work(&codec->delayed_work,
 					msecs_to_jiffies(1000));
 	}
@@ -803,7 +803,7 @@ static int wm8750_init(struct snd_soc_device *socdev)
 	codec->owner = THIS_MODULE;
 	codec->read = wm8750_read_reg_cache;
 	codec->write = wm8750_write;
-	codec->dapm_event = wm8750_dapm_event;
+	codec->set_bias_level = wm8750_set_bias_level;
 	codec->dai = &wm8750_dai;
 	codec->num_dai = 1;
 	codec->reg_cache_size = sizeof(wm8750_reg);
@@ -821,8 +821,8 @@ static int wm8750_init(struct snd_soc_device *socdev)
 	}
 
 	/* charge output caps */
-	wm8750_dapm_event(codec, SNDRV_CTL_POWER_D2);
-	codec->dapm_state = SNDRV_CTL_POWER_D3hot;
+	wm8750_set_bias_level(codec, SND_SOC_BIAS_PREPARE);
+	codec->bias_level = SND_SOC_BIAS_STANDBY;
 	schedule_delayed_work(&codec->delayed_work, msecs_to_jiffies(1000));
 
 	/* set the update bits */
@@ -1021,7 +1021,7 @@ static int wm8750_remove(struct platform_device *pdev)
 	struct snd_soc_codec *codec = socdev->codec;
 
 	if (codec->control_data)
-		wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+		wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF);
 	run_delayed_work(&codec->delayed_work);
 	snd_soc_free_pcms(socdev);
 	snd_soc_dapm_free(socdev);