Signed-off-by: Grant Likely grant.likely@secretlab.ca ---
sound/soc/fsl/mpc5200_dma.c | 15 ++++++++++----- sound/soc/fsl/mpc5200_dma.h | 1 + 2 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c index 4e47586..658e3fa 100644 --- a/sound/soc/fsl/mpc5200_dma.c +++ b/sound/soc/fsl/mpc5200_dma.c @@ -77,6 +77,7 @@ static irqreturn_t psc_dma_bcom_irq_tx(int irq, void *_psc_dma_stream) bcom_retrieve_buffer(s->bcom_task, NULL, NULL);
s->period_current = (s->period_current+1) % s->runtime->periods; + s->period_count++;
psc_dma_bcom_enqueue_next_buffer(s); } @@ -101,6 +102,7 @@ static irqreturn_t psc_dma_bcom_irq_rx(int irq, void *_psc_dma_stream) bcom_retrieve_buffer(s->bcom_task, NULL, NULL);
s->period_current = (s->period_current+1) % s->runtime->periods; + s->period_count++;
psc_dma_bcom_enqueue_next_buffer(s); } @@ -142,17 +144,17 @@ static int psc_dma_trigger(struct snd_pcm_substream *substream, int cmd) else s = &psc_dma->playback;
- dev_dbg(psc_dma->dev, "psc_dma_trigger(substream=%p, cmd=%i)" - " stream_id=%i\n", - substream, cmd, substream->pstr->stream); - switch (cmd) { case SNDRV_PCM_TRIGGER_START: + dev_dbg(psc_dma->dev, "START: stream=%i fbits=%u ps=%u #p=%u\n", + substream->pstr->stream, runtime->frame_bits, + (int)runtime->period_size, runtime->periods); s->period_bytes = frames_to_bytes(runtime, runtime->period_size); s->period_next = 0; s->period_current = 0; s->active = 1; + s->period_count = 0; s->runtime = runtime;
/* Fill up the bestcomm bd queue and enable DMA. @@ -177,6 +179,8 @@ static int psc_dma_trigger(struct snd_pcm_substream *substream, int cmd) break;
case SNDRV_PCM_TRIGGER_STOP: + dev_dbg(psc_dma->dev, "STOP: stream=%i periods_count=%i\n", + substream->pstr->stream, s->period_count); s->active = 0;
spin_lock_irqsave(&psc_dma->lock, flags); @@ -190,7 +194,8 @@ static int psc_dma_trigger(struct snd_pcm_substream *substream, int cmd) break;
default: - dev_dbg(psc_dma->dev, "invalid command\n"); + dev_dbg(psc_dma->dev, "unhandled trigger: stream=%i cmd=%i\n", + substream->pstr->stream, cmd); return -EINVAL; }
diff --git a/sound/soc/fsl/mpc5200_dma.h b/sound/soc/fsl/mpc5200_dma.h index d9c741b..c6f29e4 100644 --- a/sound/soc/fsl/mpc5200_dma.h +++ b/sound/soc/fsl/mpc5200_dma.h @@ -27,6 +27,7 @@ struct psc_dma_stream { int period_next; int period_current; int period_bytes; + int period_count; };
/**