ASoC: rsnd: call rsnd_dai_pointer_update() from outside of lock

rsnd_soc_dai_trigger() will be called
after rsnd_dai_pointer_update() function
which is using rsnd_lock().
Thus, it should be called from outside of rsnd_lock().
Kernel will be hangup without this patch.
Special thanks to Kataoka-san

Reported-by: Ryo Kataoka <ryo.kataoka.wt@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 2 insertions, 3 deletions

diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 215b668166be..89424470a1f3 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -197,13 +197,12 @@ static void rsnd_dma_complete(void *data)
          * rsnd_dai_pointer_update() will be called twice,
          * ant it will breaks io->byte_pos
          */
-
-        rsnd_dai_pointer_update(io, io->byte_per_period);
-
         if (dma->submit_loop)
                 rsnd_dma_continue(dma);
 
         rsnd_unlock(priv, flags);
+
+        rsnd_dai_pointer_update(io, io->byte_per_period);
 }
 
 static void __rsnd_dma_start(struct rsnd_dma *dma)