ASoC/mpc5200: Improve printk debug output for trigger (c4878274) · Commits · 戴 / test

sound/soc/fsl/mpc5200_dma.c

+10 −5

Original line number	Diff line number	Diff line
		@@ -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;
		}

sound/soc/fsl/mpc5200_dma.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@ struct psc_dma_stream {
		int period_next;
		int period_current;
		int period_bytes;
		int period_count;
		};

		/**

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