X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=sound%2Fsoc%2Fdavinci%2Fdavinci-mcasp.c;h=ab6518d86f1886c14b18fe4c436cba2a9d6c2f07;hb=e739cf1da48e841bc5d744a99764c1a668b4bdd2;hp=0a302e1080d9ec06553d77dfb12125b4fcece380;hpb=b7e56edba4b02f2079042c326a8cd72a44635817;p=mv-sheeva.git

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 0a302e1080d..ab6518d86f1 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -767,14 +767,26 @@ static int davinci_mcasp_trigger(struct snd_pcm_substream *substream,
 	int ret = 0;
 
 	switch (cmd) {
-	case SNDRV_PCM_TRIGGER_START:
 	case SNDRV_PCM_TRIGGER_RESUME:
+	case SNDRV_PCM_TRIGGER_START:
 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		if (!dev->clk_active) {
+			clk_enable(dev->clk);
+			dev->clk_active = 1;
+		}
 		davinci_mcasp_start(dev, substream->stream);
 		break;
 
-	case SNDRV_PCM_TRIGGER_STOP:
 	case SNDRV_PCM_TRIGGER_SUSPEND:
+		davinci_mcasp_stop(dev, substream->stream);
+		if (dev->clk_active) {
+			clk_disable(dev->clk);
+			dev->clk_active = 0;
+		}
+
+		break;
+
+	case SNDRV_PCM_TRIGGER_STOP:
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 		davinci_mcasp_stop(dev, substream->stream);
 		break;
@@ -866,6 +878,7 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
 	}
 
 	clk_enable(dev->clk);
+	dev->clk_active = 1;
 
 	dev->base = (void __iomem *)IO_ADDRESS(mem->start);
 	dev->op_mode = pdata->op_mode;