1 files changed, 28 insertions, 4 deletions

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 95739767ec45..8661e5b4adb1 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -927,8 +927,19 @@ static int soc_suspend(struct device *dev)
 				SND_SOC_DAPM_STREAM_SUSPEND);
 	}
 
-	if (codec_dev->suspend)
-		codec_dev->suspend(pdev, PMSG_SUSPEND);
+	/* If there are paths active then the CODEC will be held with
+	 * bias _ON and should not be suspended. */
+	if (codec_dev->suspend) {
+		switch (codec->bias_level) {
+		case SND_SOC_BIAS_STANDBY:
+		case SND_SOC_BIAS_OFF:
+			codec_dev->suspend(pdev, PMSG_SUSPEND);
+			break;
+		default:
+			dev_dbg(socdev->dev, "CODEC is on over suspend\n");
+			break;
+		}
+	}
 
 	for (i = 0; i < card->num_links; i++) {
 		struct snd_soc_dai *cpu_dai = card->dai_link[i].cpu_dai;
@@ -975,8 +986,21 @@ static void soc_resume_deferred(struct work_struct *work)
 			cpu_dai->resume(cpu_dai);
 	}
 
-	if (codec_dev->resume)
-		codec_dev->resume(pdev);
+	/* If the CODEC was idle over suspend then it will have been
+	 * left with bias OFF or STANDBY and suspended so we must now
+	 * resume.  Otherwise the suspend was suppressed.
+	 */
+	if (codec_dev->resume) {
+		switch (codec->bias_level) {
+		case SND_SOC_BIAS_STANDBY:
+		case SND_SOC_BIAS_OFF:
+			codec_dev->resume(pdev);
+			break;
+		default:
+			dev_dbg(socdev->dev, "CODEC was on over suspend\n");
+			break;
+		}
+	}
 
 	for (i = 0; i < codec->num_dai; i++) {
 		char *stream = codec->dai[i].playback.stream_name;