diff options
Diffstat (limited to 'sound/soc/sh/rcar/dma.c')
| -rw-r--r-- | sound/soc/sh/rcar/dma.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sound/soc/sh/rcar/dma.c b/sound/soc/sh/rcar/dma.c index ac3756f6af60..9034f951adfe 100644 --- a/sound/soc/sh/rcar/dma.c +++ b/sound/soc/sh/rcar/dma.c @@ -36,7 +36,10 @@ static void rsnd_dmaen_complete(void *data) { struct rsnd_dma *dma = (struct rsnd_dma *)data; struct rsnd_mod *mod = rsnd_dma_to_mod(dma); + struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); + bool elapsed = false; + unsigned long flags; /* * Renesas sound Gen1 needs 1 DMAC, @@ -49,8 +52,14 @@ static void rsnd_dmaen_complete(void *data) * rsnd_dai_pointer_update() will be called twice, * ant it will breaks io->byte_pos */ + spin_lock_irqsave(&priv->lock, flags); + + elapsed = rsnd_dai_pointer_update(io, io->byte_per_period); + + spin_unlock_irqrestore(&priv->lock, flags); - rsnd_dai_pointer_update(io, io->byte_per_period); + if (elapsed) + rsnd_dai_period_elapsed(io); } static void rsnd_dmaen_stop(struct rsnd_dma *dma) |