ASoC: davinci-mcasp: enable ping-pong SRAM buffers

The davinci-i2s driver copies the platform data for playback and capture
sram sizes which is in turn used by davinci-pcm to allocate ping-pong
buffers.

Copy also the platform data in davinci-mcasp probe.

Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 4ddc6d3..8566238 100644 (file)
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -909,6 +909,7 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
        dma_data = &dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK];
        dma_data->asp_chan_q = pdata->asp_chan_q;
        dma_data->ram_chan_q = pdata->ram_chan_q;
+       dma_data->sram_size = pdata->sram_size_playback;
        dma_data->dma_addr = (dma_addr_t) (pdata->tx_dma_offset +
                                                        mem->start);
 
@@ -925,6 +926,7 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
        dma_data = &dev->dma_params[SNDRV_PCM_STREAM_CAPTURE];
        dma_data->asp_chan_q = pdata->asp_chan_q;
        dma_data->ram_chan_q = pdata->ram_chan_q;
+       dma_data->sram_size = pdata->sram_size_capture;
        dma_data->dma_addr = (dma_addr_t)(pdata->rx_dma_offset +
                                                        mem->start);