1 files changed, 14 insertions, 1 deletions

diff --git a/sound/soc/fsl/fsl_audmix.c b/sound/soc/fsl/fsl_audmix.c
index 3897a54a11fe..fe54b32b1eb0 100644
--- a/sound/soc/fsl/fsl_audmix.c
+++ b/sound/soc/fsl/fsl_audmix.c
@@ -286,6 +286,7 @@ static int fsl_audmix_dai_trigger(struct snd_pcm_substream *substream, int cmd,
 				  struct snd_soc_dai *dai)
 {
 	struct fsl_audmix *priv = snd_soc_dai_get_drvdata(dai);
+	unsigned long lock_flags;
 
 	/* Capture stream shall not be handled */
 	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
@@ -295,12 +296,16 @@ static int fsl_audmix_dai_trigger(struct snd_pcm_substream *substream, int cmd,
 	case SNDRV_PCM_TRIGGER_START:
 	case SNDRV_PCM_TRIGGER_RESUME:
 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		spin_lock_irqsave(&priv->lock, lock_flags);
 		priv->tdms |= BIT(dai->driver->id);
+		spin_unlock_irqrestore(&priv->lock, lock_flags);
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
 	case SNDRV_PCM_TRIGGER_SUSPEND:
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		spin_lock_irqsave(&priv->lock, lock_flags);
 		priv->tdms &= ~BIT(dai->driver->id);
+		spin_unlock_irqrestore(&priv->lock, lock_flags);
 		break;
 	default:
 		return -EINVAL;
@@ -493,6 +498,7 @@ static int fsl_audmix_probe(struct platform_device *pdev)
 		return PTR_ERR(priv->ipg_clk);
 	}
 
+	spin_lock_init(&priv->lock);
 	platform_set_drvdata(pdev, priv);
 	pm_runtime_enable(dev);
 
@@ -501,15 +507,20 @@ static int fsl_audmix_probe(struct platform_device *pdev)
 					      ARRAY_SIZE(fsl_audmix_dai));
 	if (ret) {
 		dev_err(dev, "failed to register ASoC DAI\n");
-		return ret;
+		goto err_disable_pm;
 	}
 
 	priv->pdev = platform_device_register_data(dev, mdrv, 0, NULL, 0);
 	if (IS_ERR(priv->pdev)) {
 		ret = PTR_ERR(priv->pdev);
 		dev_err(dev, "failed to register platform %s: %d\n", mdrv, ret);
+		goto err_disable_pm;
 	}
 
+	return 0;
+
+err_disable_pm:
+	pm_runtime_disable(dev);
 	return ret;
 }
 
@@ -517,6 +528,8 @@ static int fsl_audmix_remove(struct platform_device *pdev)
 {
 	struct fsl_audmix *priv = dev_get_drvdata(&pdev->dev);
 
+	pm_runtime_disable(&pdev->dev);
+
 	if (priv->pdev)
 		platform_device_unregister(priv->pdev);