---

yaml
---
r: 182837
b: refs/heads/master
c: a96ca33
h: refs/heads/master
i:
  182835: 9bfb9b7
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b91b8fa02482a5a18f598ee5d2cd42970051731b
+refs/heads/master: a96ca3387382498ec8b501db5acef3ed9eb1bd36

trunk/include/sound/soc.h

@@ -405,6 +405,8 @@ struct snd_soc_codec {
 	short reg_cache_size;
 	short reg_cache_step;
 
+	unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */
+
 	/* dapm */
 	u32 pop_time;
 	struct list_head dapm_widgets;

trunk/sound/soc/soc-dapm.c

@@ -1012,13 +1012,28 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
 			sys_power = 0;
 			break;
 		case SND_SOC_DAPM_STREAM_NOP:
-			sys_power = codec->bias_level != SND_SOC_BIAS_STANDBY;
+			switch (codec->bias_level) {
+				case SND_SOC_BIAS_STANDBY:
+				case SND_SOC_BIAS_OFF:
+					sys_power = 0;
+					break;
+				default:
+					sys_power = 1;
+					break;
+			}
 			break;
 		default:
 			break;
 		}
 	}
 
+	if (sys_power && codec->bias_level == SND_SOC_BIAS_OFF) {
+		ret = snd_soc_dapm_set_bias_level(socdev,
+						  SND_SOC_BIAS_STANDBY);
+		if (ret != 0)
+			pr_err("Failed to turn on bias: %d\n", ret);
+	}
+
 	/* If we're changing to all on or all off then prepare */
 	if ((sys_power && codec->bias_level == SND_SOC_BIAS_STANDBY) ||
 	    (!sys_power && codec->bias_level == SND_SOC_BIAS_ON)) {
@@ -1042,6 +1057,14 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event)
 			pr_err("Failed to apply standby bias: %d\n", ret);
 	}
 
+	/* If we're in standby and can support bias off then do that */
+	if (codec->bias_level == SND_SOC_BIAS_STANDBY &&
+	    codec->idle_bias_off) {
+		ret = snd_soc_dapm_set_bias_level(socdev, SND_SOC_BIAS_OFF);
+		if (ret != 0)
+			pr_err("Failed to turn off bias: %d\n", ret);
+	}
+
 	/* If we just powered up then move to active bias */
 	if (codec->bias_level == SND_SOC_BIAS_PREPARE && sys_power) {
 		ret = snd_soc_dapm_set_bias_level(socdev,