Signed-off-by: Eduardo Valentin <eduardo.valen...@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;
}
--
1.6.2.GIT
--
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