ASoC: wm8955: Cleanup manual bias level transitions
[firefly-linux-kernel-4.4.55.git] / sound / soc / codecs / wm8955.c
index 09d91d9dc4ee841526f7594dc2afb642c800957d..1173f7fef5a76dcb9f1954c2c23568e7f5c99123 100644 (file)
@@ -866,29 +866,6 @@ static struct snd_soc_dai_driver wm8955_dai = {
        .ops = &wm8955_dai_ops,
 };
 
-#ifdef CONFIG_PM
-static int wm8955_suspend(struct snd_soc_codec *codec)
-{
-       struct wm8955_priv *wm8955 = snd_soc_codec_get_drvdata(codec);
-
-       wm8955_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
-       regcache_mark_dirty(wm8955->regmap);
-
-       return 0;
-}
-
-static int wm8955_resume(struct snd_soc_codec *codec)
-{
-       wm8955_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
-       return 0;
-}
-#else
-#define wm8955_suspend NULL
-#define wm8955_resume NULL
-#endif
-
 static int wm8955_probe(struct snd_soc_codec *codec)
 {
        struct wm8955_priv *wm8955 = snd_soc_codec_get_drvdata(codec);
@@ -964,18 +941,10 @@ err_enable:
        return ret;
 }
 
-static int wm8955_remove(struct snd_soc_codec *codec)
-{
-       wm8955_set_bias_level(codec, SND_SOC_BIAS_OFF);
-       return 0;
-}
-
 static struct snd_soc_codec_driver soc_codec_dev_wm8955 = {
        .probe =        wm8955_probe,
-       .remove =       wm8955_remove,
-       .suspend =      wm8955_suspend,
-       .resume =       wm8955_resume,
        .set_bias_level = wm8955_set_bias_level,
+       .suspend_bias_off = true,
 
        .controls =     wm8955_snd_controls,
        .num_controls = ARRAY_SIZE(wm8955_snd_controls),