[ALSA] ASoC: Clarify API for bias configuration

[safe/jmp/linux-2.6] / sound / soc / codecs / wm8753.c

diff --git a/sound/soc/codecs/wm8753.c b/sound/soc/codecs/wm8753.c
index fb41826..9032b0c 100644 (file)
--- a/sound/soc/codecs/wm8753.c
+++ b/sound/soc/codecs/wm8753.c
@@ -1274,29 +1274,29 @@ static int wm8753_mute(struct snd_soc_codec_dai *dai, int mute)
        return 0;
 }
 
-static int wm8753_dapm_event(struct snd_soc_codec *codec, int event)
+static int wm8753_set_bias_level(struct snd_soc_codec *codec,
+                                enum snd_soc_bias_level level)
 {
        u16 pwr_reg = wm8753_read_reg_cache(codec, WM8753_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 */
                wm8753_write(codec, WM8753_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 */
                wm8753_write(codec, WM8753_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 */
                wm8753_write(codec, WM8753_PWR1, pwr_reg | 0x0141);
                break;
-       case SNDRV_CTL_POWER_D3cold: /* Off, without power */
+       case SND_SOC_BIAS_OFF:
                wm8753_write(codec, WM8753_PWR1, 0x0001);
                break;
        }
-       codec->dapm_state = event;
+       codec->bias_level = level;
        return 0;
 }
 
@@ -1500,7 +1500,7 @@ static void wm8753_work(struct work_struct *work)
 {
        struct snd_soc_codec *codec =
                container_of(work, struct snd_soc_codec, delayed_work.work);
-       wm8753_dapm_event(codec, codec->dapm_state);
+       wm8753_set_bias_level(codec, codec->bias_level);
 }
 
 static int wm8753_suspend(struct platform_device *pdev, pm_message_t state)
@@ -1512,7 +1512,7 @@ static int wm8753_suspend(struct platform_device *pdev, pm_message_t state)
        if (!codec->card)
                return 0;
 
-       wm8753_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+       wm8753_set_bias_level(codec, SND_SOC_BIAS_OFF);
        return 0;
 }
 
@@ -1537,12 +1537,12 @@ static int wm8753_resume(struct platform_device *pdev)
                codec->hw_write(codec->control_data, data, 2);
        }
 
-       wm8753_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
+       wm8753_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
        /* charge wm8753 caps */
-       if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) {
-               wm8753_dapm_event(codec, SNDRV_CTL_POWER_D2);
-               codec->dapm_state = SNDRV_CTL_POWER_D0;
+       if (codec->suspend_bias_level == SND_SOC_BIAS_ON) {
+               wm8753_set_bias_level(codec, SND_SOC_BIAS_PREPARE);
+               codec->bias_level = SND_SOC_BIAS_ON;
                schedule_delayed_work(&codec->delayed_work,
                        msecs_to_jiffies(caps_charge));
        }
@@ -1563,7 +1563,7 @@ static int wm8753_init(struct snd_soc_device *socdev)
        codec->owner = THIS_MODULE;
        codec->read = wm8753_read_reg_cache;
        codec->write = wm8753_write;
-       codec->dapm_event = wm8753_dapm_event;
+       codec->set_bias_level = wm8753_set_bias_level;
        codec->dai = wm8753_dai;
        codec->num_dai = 2;
        codec->reg_cache_size = sizeof(wm8753_reg);
@@ -1584,8 +1584,8 @@ static int wm8753_init(struct snd_soc_device *socdev)
        }
 
        /* charge output caps */
-       wm8753_dapm_event(codec, SNDRV_CTL_POWER_D2);
-       codec->dapm_state = SNDRV_CTL_POWER_D3hot;
+       wm8753_set_bias_level(codec, SND_SOC_BIAS_PREPARE);
+       codec->bias_level = SND_SOC_BIAS_STANDBY;
        schedule_delayed_work(&codec->delayed_work,
                msecs_to_jiffies(caps_charge));
 
@@ -1792,7 +1792,7 @@ static int wm8753_remove(struct platform_device *pdev)
        struct snd_soc_codec *codec = socdev->codec;
 
        if (codec->control_data)
-               wm8753_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
+               wm8753_set_bias_level(codec, SND_SOC_BIAS_OFF);
        run_delayed_work(&codec->delayed_work);
        snd_soc_free_pcms(socdev);
        snd_soc_dapm_free(socdev);