diff options
| -rw-r--r-- | sound/soc/fsl/fsl_qmc_audio.c | 46 |
1 files changed, 6 insertions, 40 deletions
diff --git a/sound/soc/fsl/fsl_qmc_audio.c b/sound/soc/fsl/fsl_qmc_audio.c index c0c7ef0a1511..2790953543c5 100644 --- a/sound/soc/fsl/fsl_qmc_audio.c +++ b/sound/soc/fsl/fsl_qmc_audio.c @@ -57,7 +57,6 @@ struct qmc_dai_prtd { size_t ch_dma_offset; unsigned int channels; - DECLARE_BITMAP(chans_pending, 64); struct snd_pcm_substream *substream; }; @@ -126,17 +125,14 @@ static int qmc_audio_pcm_write_submit(struct qmc_dai_prtd *prtd) int ret; for (i = 0; i < prtd->channels; i++) { - bitmap_set(prtd->chans_pending, i, 1); - ret = qmc_chan_write_submit(prtd->qmc_dai->chans[i].qmc_chan, prtd->ch_dma_addr_current + i * prtd->ch_dma_offset, prtd->ch_dma_size, - qmc_audio_pcm_write_complete, - &prtd->qmc_dai->chans[i]); + i == prtd->channels - 1 ? qmc_audio_pcm_write_complete : + NULL, prtd); if (ret) { dev_err(prtd->qmc_dai->dev, "write_submit %u failed %d\n", i, ret); - bitmap_clear(prtd->chans_pending, i, 1); return ret; } } @@ -146,20 +142,7 @@ static int qmc_audio_pcm_write_submit(struct qmc_dai_prtd *prtd) static void qmc_audio_pcm_write_complete(void *context) { - struct qmc_dai_chan *chan = context; - struct qmc_dai_prtd *prtd; - - prtd = chan->prtd_tx; - - /* Mark the current channel as completed */ - bitmap_clear(prtd->chans_pending, chan - prtd->qmc_dai->chans, 1); - - /* - * All QMC channels involved must have completed their transfer before - * submitting a new one. - */ - if (!bitmap_empty(prtd->chans_pending, 64)) - return; + struct qmc_dai_prtd *prtd = context; prtd->buffer_ended += prtd->period_size; if (prtd->buffer_ended >= prtd->buffer_size) @@ -182,17 +165,14 @@ static int qmc_audio_pcm_read_submit(struct qmc_dai_prtd *prtd) int ret; for (i = 0; i < prtd->channels; i++) { - bitmap_set(prtd->chans_pending, i, 1); - ret = qmc_chan_read_submit(prtd->qmc_dai->chans[i].qmc_chan, prtd->ch_dma_addr_current + i * prtd->ch_dma_offset, prtd->ch_dma_size, - qmc_audio_pcm_read_complete, - &prtd->qmc_dai->chans[i]); + i == prtd->channels - 1 ? qmc_audio_pcm_read_complete : + NULL, prtd); if (ret) { dev_err(prtd->qmc_dai->dev, "read_submit %u failed %d\n", i, ret); - bitmap_clear(prtd->chans_pending, i, 1); return ret; } } @@ -202,26 +182,13 @@ static int qmc_audio_pcm_read_submit(struct qmc_dai_prtd *prtd) static void qmc_audio_pcm_read_complete(void *context, size_t length, unsigned int flags) { - struct qmc_dai_chan *chan = context; - struct qmc_dai_prtd *prtd; - - prtd = chan->prtd_rx; - - /* Mark the current channel as completed */ - bitmap_clear(prtd->chans_pending, chan - prtd->qmc_dai->chans, 1); + struct qmc_dai_prtd *prtd = context; if (length != prtd->ch_dma_size) { dev_err(prtd->qmc_dai->dev, "read complete length = %zu, exp %zu\n", length, prtd->ch_dma_size); } - /* - * All QMC channels involved must have completed their transfer before - * submitting a new one. - */ - if (!bitmap_empty(prtd->chans_pending, 64)) - return; - prtd->buffer_ended += prtd->period_size; if (prtd->buffer_ended >= prtd->buffer_size) prtd->buffer_ended = 0; @@ -249,7 +216,6 @@ static int qmc_audio_pcm_trigger(struct snd_soc_component *component, switch (cmd) { case SNDRV_PCM_TRIGGER_START: - bitmap_zero(prtd->chans_pending, 64); prtd->buffer_ended = 0; prtd->ch_dma_addr_current = prtd->ch_dma_addr_start; |