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authorGrant Likely <grant.likely@secretlab.ca>2009-11-07 11:34:18 +0300
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-11-07 15:40:08 +0300
commitc4878274750ae0bb90c351a737ac6cdcb608e546 (patch)
treec703dff48cb6427f594fccf67267939a8848328c /sound/soc/fsl/mpc5200_dma.c
parentd56b6eb6df7f6fb92383a52d640e27f71e6262d0 (diff)
downloadlinux-c4878274750ae0bb90c351a737ac6cdcb608e546.tar.xz
ASoC/mpc5200: Improve printk debug output for trigger
Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/fsl/mpc5200_dma.c')
-rw-r--r--sound/soc/fsl/mpc5200_dma.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c
index 4e475861f5db..658e3fa14663 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;
}