Signed-off-by: Eduardo Valentin eduardo.valentin@nokia.com --- sound/soc/omap/omap-mcbsp.c | 18 +++++++++++++++--- 1 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index 8a7b5ef..4369622 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -144,7 +144,14 @@ static void omap_mcbsp_set_threshold(struct snd_pcm_substream *substream) struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; struct omap_mcbsp_data *mcbsp_data = to_mcbsp(cpu_dai->private_data); - int samples = snd_pcm_lib_period_bytes(substream) >> 1; + int dma_op_mode = omap_mcbsp_get_dma_op_mode(mcbsp_data->bus_id); + int samples; + + /* TODO: Currently, MODE_ELEMENT == MODE_FRAME */ + if (dma_op_mode == MCBSP_DMA_MODE_THRESHOLD) + samples = snd_pcm_lib_period_bytes(substream) >> 1; + else + samples = 1;
/* Configure McBSP internal buffer usage */ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) @@ -166,6 +173,7 @@ static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream, err = omap_mcbsp_request(bus_id);
if (cpu_is_omap343x()) { + int dma_op_mode = omap_mcbsp_get_dma_op_mode(bus_id); int max_period;
/* @@ -187,7 +195,8 @@ static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream, max_period++; max_period <<= 1;
- snd_pcm_hw_constraint_minmax(substream->runtime, + if (dma_op_mode == MCBSP_DMA_MODE_THRESHOLD) + snd_pcm_hw_constraint_minmax(substream->runtime, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32, max_period); } @@ -269,7 +278,10 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, port = omap34xx_mcbsp_port[bus_id][substream->stream]; omap_mcbsp_dai_dma_params[id][substream->stream].set_threshold = omap_mcbsp_set_threshold; - sync_mode = OMAP_DMA_SYNC_FRAME; + /* TODO: Currently, MODE_ELEMENT == MODE_FRAME */ + if (omap_mcbsp_get_dma_op_mode(bus_id) == + MCBSP_DMA_MODE_THRESHOLD) + sync_mode = OMAP_DMA_SYNC_FRAME; } else { return -ENODEV; }