ASoC: pxa-ssp: enable and disable extclk if given

If a "extclk" clock is given, enable and disable it when appropriate.

Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c
index 69033e1a84e6ad52ef7c01b395af3a8f48a91c15..adcf8ba9d287ab852e664f546b9e3cc36af43c09 100644 (file)
--- a/sound/soc/pxa/pxa-ssp.c
+++ b/sound/soc/pxa/pxa-ssp.c
@@ -103,6 +103,9 @@ static int pxa_ssp_startup(struct snd_pcm_substream *substream,
                pxa_ssp_disable(ssp);
        }
 
+       if (priv->extclk)
+               clk_prepare_enable(priv->extclk);
+
        dma = kzalloc(sizeof(struct snd_dmaengine_dai_dma_data), GFP_KERNEL);
        if (!dma)
                return -ENOMEM;
@@ -125,6 +128,9 @@ static void pxa_ssp_shutdown(struct snd_pcm_substream *substream,
                clk_disable_unprepare(ssp->clk);
        }
 
+       if (priv->extclk)
+               clk_disable_unprepare(priv->extclk);
+
        kfree(snd_soc_dai_get_dma_data(cpu_dai, substream));
        snd_soc_dai_set_dma_data(cpu_dai, substream, NULL);
 }