Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxxxxx> --- sound/soc/omap/omap-pcm.c | 21 +++++++++++++++++---- 1 files changed, 17 insertions(+), 4 deletions(-) diff --git a/sound/soc/omap/omap-pcm.c b/sound/soc/omap/omap-pcm.c index a30e7a0..f4903e0 100644 --- a/sound/soc/omap/omap-pcm.c +++ b/sound/soc/omap/omap-pcm.c @@ -51,6 +51,7 @@ struct omap_runtime_data { struct omap_pcm_dma_data *dma_data; int dma_ch; int period_index; + int dma_op_mode; }; static void omap_pcm_dma_irq(int ch, u16 stat, void *data) @@ -145,7 +146,9 @@ static int omap_pcm_prepare(struct snd_pcm_substream *substream) memset(&dma_params, 0, sizeof(dma_params)); - if (cpu_is_omap34xx()) + /* TODO: Currently, MODE_ELEMENT == MODE_FRAME */ + if (cpu_is_omap34xx() && + (prtd->dma_op_mode == MCBSP_DMA_MODE_THRESHOLD)) sync_mode = OMAP_DMA_SYNC_FRAME; else sync_mode = OMAP_DMA_SYNC_ELEMENT; @@ -198,9 +201,16 @@ static int omap_pcm_trigger(struct snd_pcm_substream *substream, int cmd) unsigned long flags; int ret = 0; unsigned int bus_id = *(unsigned int *)rtd->dai->cpu_dai->private_data; - u16 samples = snd_pcm_lib_period_bytes(substream) >> 1; + u16 samples; spin_lock_irqsave(&prtd->lock, flags); + + /* TODO: Currently, MODE_ELEMENT == MODE_FRAME */ + if (prtd->dma_op_mode == MCBSP_DMA_MODE_THRESHOLD) + samples = snd_pcm_lib_period_bytes(substream) >> 1; + else + samples = 1; + switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: @@ -257,10 +267,12 @@ static int omap_pcm_open(struct snd_pcm_substream *substream) struct omap_runtime_data *prtd; struct snd_soc_pcm_runtime *rtd = substream->private_data; unsigned int bus_id = *(unsigned int *)rtd->dai->cpu_dai->private_data; + int dma_op_mode = omap_mcbsp_get_dma_op_mode(bus_id); int ret; int max_period; - if (cpu_is_omap34xx()) { + /* TODO: Currently, MODE_ELEMENT == MODE_FRAME */ + if (cpu_is_omap34xx() && (dma_op_mode == MCBSP_DMA_MODE_THRESHOLD)) { if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) max_period = omap_mcbsp_get_max_tx_threshold(bus_id); else @@ -268,7 +280,7 @@ static int omap_pcm_open(struct snd_pcm_substream *substream) max_period++; max_period <<= 1; } else { - omap_pcm_hardware.period_bytes_max = 64 * 1024; + max_period = 64 * 1024; } omap_pcm_hardware.period_bytes_max = max_period; @@ -286,6 +298,7 @@ static int omap_pcm_open(struct snd_pcm_substream *substream) ret = -ENOMEM; goto out; } + prtd->dma_op_mode = dma_op_mode; spin_lock_init(&prtd->lock); runtime->private_data = prtd; -- 1.6.2.GIT -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html