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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2012-09-14 15:05:57 +0300
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-09-22 11:13:02 -0400
commitbcd6da7bfd1bc3e9d5f8887967ec3d550ce56c70 (patch)
tree185bd9cd57ba3dbf3e223fe83e6bbd1a7ed8a92f /sound/soc/omap/omap-mcbsp.c
parentf05cc9dac99ac6403d057d2cccb3c754714d2f32 (diff)
downloadlinux-bcd6da7bfd1bc3e9d5f8887967ec3d550ce56c70.tar.gz
ASoC: OMAP: mcbsp, mcpdm, dmic, hdmi: Set dma_data at startup time
Set the dma_data for the stream (snd_soc_dai_set_dma_data) at dai_startup
time so omap-pcm will have access to the needed information regarding to
the DMA channel earlier.
This is needed for the clean dmaengine support.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/omap/omap-mcbsp.c')
-rw-r--r--sound/soc/omap/omap-mcbsp.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c
index a23064644e58..fef2f5933bb2 100644
--- a/sound/soc/omap/omap-mcbsp.c
+++ b/sound/soc/omap/omap-mcbsp.c
@@ -151,6 +151,9 @@ static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream,
 					   SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 2);
 	}
 
+	snd_soc_dai_set_dma_data(cpu_dai, substream,
+				 &mcbsp->dma_data[substream->stream]);
+
 	return err;
 }
 
@@ -228,7 +231,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
 	int pkt_size = 0;
 	unsigned int format, div, framesize, master;
 
-	dma_data = &mcbsp->dma_data[substream->stream];
+	dma_data = snd_soc_dai_get_dma_data(cpu_dai, substream);
 	channels = params_channels(params);
 
 	switch (params_format(params)) {
@@ -277,8 +280,6 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream,
 
 	dma_data->packet_size = pkt_size;
 
-	snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
-
 	if (mcbsp->configured) {
 		/* McBSP already configured by another stream */
 		return 0;