Modified: trunk/sound/soc/codecs/ad1938.c (7841 => 7842)
--- trunk/sound/soc/codecs/ad1938.c 2009-11-18 05:46:26 UTC (rev 7841)
+++ trunk/sound/soc/codecs/ad1938.c 2009-11-18 09:35:57 UTC (rev 7842)
@@ -98,6 +98,7 @@
static const struct snd_soc_dapm_widget ad1938_dapm_widgets[] = {
SND_SOC_DAPM_DAC("DAC", "Playback", AD1938_DAC_CTRL0, 0, 1),
SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_SUPPLY("PLL_PWR", AD1938_PLL_CLK_CTRL0, 0, 1, NULL, 0),
SND_SOC_DAPM_SUPPLY("ADC_PWR", AD1938_ADC_CTRL0, 0, 1, NULL, 0),
SND_SOC_DAPM_OUTPUT("DAC1OUT"),
SND_SOC_DAPM_OUTPUT("DAC2OUT"),
@@ -108,6 +109,8 @@
};
static const struct snd_soc_dapm_route audio_paths[] = {
+ { "DAC", NULL, "PLL_PWR" },
+ { "ADC", NULL, "PLL_PWR" },
{ "DAC", NULL, "ADC_PWR" },
{ "ADC", NULL, "ADC_PWR" },
{ "DAC1OUT", "DAC1 Switch", "DAC" },
@@ -135,16 +138,6 @@
return 0;
}
-static inline int ad1938_pll_powerctrl(struct snd_soc_codec *codec, int cmd)
-{
- int reg = codec->read(codec, AD1938_PLL_CLK_CTRL0);
- reg = (cmd > 0) ? reg & (~AD1938_PLL_POWERDOWN) : reg |
- AD1938_PLL_POWERDOWN;
- codec->write(codec, AD1938_PLL_CLK_CTRL0, reg);
-
- return 0;
-}
-
static int ad1938_set_tdm_slot(struct snd_soc_dai *dai,
unsigned int mask, int slots)
{
@@ -307,24 +300,6 @@
return 0;
}
-static int ad1938_set_bias_level(struct snd_soc_codec *codec,
- enum snd_soc_bias_level level)
-{
- switch (level) {
- case SND_SOC_BIAS_ON:
- ad1938_pll_powerctrl(codec, 1);
- break;
- case SND_SOC_BIAS_PREPARE:
- break;
- case SND_SOC_BIAS_STANDBY:
- case SND_SOC_BIAS_OFF:
- ad1938_pll_powerctrl(codec, 0);
- break;
- }
- codec->bias_level = level;
- return 0;
-}
-
/*
* interface to read/write ad1938 register
*/
@@ -515,7 +490,6 @@
codec->num_dai = 1;
codec->write = ad1938_write_reg;
codec->read = ad1938_read_reg_cache;
- codec->set_bias_level = ad1938_set_bias_level;
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
@@ -560,7 +534,6 @@
static void ad1938_unregister(struct ad1938_priv *ad1938)
{
- ad1938_set_bias_level(&ad1938->codec, SND_SOC_BIAS_OFF);
snd_soc_unregister_dai(&ad1938_dai);
snd_soc_unregister_codec(&ad1938->codec);
kfree(ad1938);
@@ -595,8 +568,6 @@
snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths));
snd_soc_dapm_new_widgets(codec);
- ad1938_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
ret = snd_soc_init_card(socdev);
if (ret < 0) {
dev_err(codec->dev, "failed to register card: %d\n", ret);
@@ -623,37 +594,9 @@
return 0;
}
-#ifdef CONFIG_PM
-static int ad1938_suspend(struct platform_device *pdev,
- pm_message_t state)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
- ad1938_set_bias_level(codec, SND_SOC_BIAS_OFF);
- return 0;
-}
-
-static int ad1938_resume(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
- if (codec->suspend_bias_level == SND_SOC_BIAS_ON)
- ad1938_set_bias_level(codec, SND_SOC_BIAS_ON);
-
- return 0;
-}
-#else
-#define ad1938_suspend NULL
-#define ad1938_resume NULL
-#endif
-
struct snd_soc_codec_device soc_codec_dev_ad1938 = {
.probe = ad1938_probe,
.remove = ad1938_remove,
- .suspend = ad1938_suspend,
- .resume = ad1938_resume,
};
EXPORT_SYMBOL_GPL(soc_codec_dev_ad1938);
