瀏覽代碼

ASoC: DaVinci: Fix stream restart error

Sometimes after a suspend-resume cycle, the ALSA application
restarts the stream when resume fails and McASP fails to work
as the clock is not enabled. This patch corrects this bug.

Testes on TI DA850/OMAP-L138 EVM.

Signed-off-by: Chaithrika U S <chaithrika@ti.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Chaithrika U S 15 年之前
父節點
當前提交
e473b84742
共有 1 個文件被更改,包括 2 次插入3 次删除
  1. 2 3
      sound/soc/davinci/davinci-mcasp.c

+ 2 - 3
sound/soc/davinci/davinci-mcasp.c

@@ -768,13 +768,12 @@ static int davinci_mcasp_trigger(struct snd_pcm_substream *substream,
 
 	switch (cmd) {
 	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;
 		}
-		/* Fall through */
-	case SNDRV_PCM_TRIGGER_START:
-	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 		davinci_mcasp_start(dev, substream->stream);
 		break;