diff options
Diffstat (limited to 'sound/soc/s3c24xx')
| -rw-r--r-- | sound/soc/s3c24xx/s3c24xx-pcm.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/sound/soc/s3c24xx/s3c24xx-pcm.c b/sound/soc/s3c24xx/s3c24xx-pcm.c index e13e614bada..341198bb0c1 100644 --- a/sound/soc/s3c24xx/s3c24xx-pcm.c +++ b/sound/soc/s3c24xx/s3c24xx-pcm.c @@ -78,7 +78,8 @@ struct s3c24xx_runtime_data { * place a dma buffer onto the queue for the dma system * to handle. */ -static void s3c24xx_pcm_enqueue(struct snd_pcm_substream *substream) +static void s3c24xx_pcm_enqueue(struct snd_pcm_substream *substream, + int dma_max) { struct s3c24xx_runtime_data *prtd = substream->runtime->private_data; dma_addr_t pos = prtd->dma_pos; @@ -86,7 +87,10 @@ static void s3c24xx_pcm_enqueue(struct snd_pcm_substream *substream) DBG("Entered %s\n", __func__); - while (prtd->dma_loaded < prtd->dma_limit) { + if (!dma_max) + dma_max = prtd->dma_limit; + + while (prtd->dma_loaded < dma_max) { unsigned long len = prtd->dma_period; DBG("dma_loaded: %d\n", prtd->dma_loaded); @@ -132,7 +136,7 @@ static void s3c24xx_audio_buffdone(struct s3c2410_dma_chan *channel, spin_lock(&prtd->lock); if (prtd->state & ST_RUNNING) { prtd->dma_loaded--; - s3c24xx_pcm_enqueue(substream); + s3c24xx_pcm_enqueue(substream, 0); } spin_unlock(&prtd->lock); @@ -249,7 +253,7 @@ static int s3c24xx_pcm_prepare(struct snd_pcm_substream *substream) prtd->dma_pos = prtd->dma_start; /* enqueue dma buffers */ - s3c24xx_pcm_enqueue(substream); + s3c24xx_pcm_enqueue(substream, 1); return ret; } |