ASoC: atmel-pdmic: add missing clk_disable_unprepare() on error in atmel_pdmic_cpu_dai_startup()

Add the missing clk_disable_unprepare() before return from
atmel_pdmic_cpu_dai_startup() in the error handling case.

Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/sound/soc/atmel/atmel-pdmic.c b/sound/soc/atmel/atmel-pdmic.c
index 4cce36e07360..8b4beb07ca43 100644
--- a/sound/soc/atmel/atmel-pdmic.c
+++ b/sound/soc/atmel/atmel-pdmic.c
@@ -115,8 +115,10 @@ static int atmel_pdmic_cpu_dai_startup(struct snd_pcm_substream *substream,
                 return ret;
 
         ret =  clk_prepare_enable(dd->pclk);
-        if (ret)
+        if (ret) {
+                clk_disable_unprepare(dd->gclk);
                 return ret;
+        }
 
         /* Clear all bits in the Control Register(PDMIC_CR) */
         regmap_write(dd->regmap, PDMIC_CR, 0);