diff options
| author | Shawn Guo <shawn.guo@linaro.org> | 2012-03-28 15:34:56 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-04-01 11:28:29 +0100 |
| commit | b46b373f4084cc02d4d41a5a42199fe8462c2f13 (patch) | |
| tree | 8f621f753dad4454bec0766b07ebe94d51d2ac18 /sound/soc | |
| parent | ff9062c60e4b8e01980b1a81dcabe3965f71df77 (diff) | |
| download | linux-b46b373f4084cc02d4d41a5a42199fe8462c2f13.tar.bz2 | |
ASoC: fsl: assign dma peripheral type according to bus topology
The dma peripheral_type for SSI should be IMX_DMATYPE_SSI_SP if the SSI
is on SPBA bus.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/fsl/fsl_ssi.c | 6 | ||||
| -rw-r--r-- | sound/soc/fsl/imx-pcm-dma.c | 3 | ||||
| -rw-r--r-- | sound/soc/fsl/imx-pcm.h | 1 |
3 files changed, 9 insertions, 1 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 30ff605144c6..4f76b5df0ce4 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -746,6 +746,12 @@ static int __devinit fsl_ssi_probe(struct platform_device *pdev) } ssi_private->dma_params_tx.dma = dma_events[0]; ssi_private->dma_params_rx.dma = dma_events[1]; + + ssi_private->dma_params_tx.shared_peripheral = + of_device_is_compatible(of_get_parent(np), + "fsl,spba-bus"); + ssi_private->dma_params_rx.shared_peripheral = + ssi_private->dma_params_tx.shared_peripheral; } /* Initialize the the device_attribute structure */ diff --git a/sound/soc/fsl/imx-pcm-dma.c b/sound/soc/fsl/imx-pcm-dma.c index 6b818de2fc03..f3c0a5ef35c8 100644 --- a/sound/soc/fsl/imx-pcm-dma.c +++ b/sound/soc/fsl/imx-pcm-dma.c @@ -109,7 +109,8 @@ static int snd_imx_open(struct snd_pcm_substream *substream) dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); dma_data = kzalloc(sizeof(*dma_data), GFP_KERNEL); - dma_data->peripheral_type = IMX_DMATYPE_SSI; + dma_data->peripheral_type = dma_params->shared_peripheral ? + IMX_DMATYPE_SSI_SP : IMX_DMATYPE_SSI; dma_data->priority = DMA_PRIO_HIGH; dma_data->dma_request = dma_params->dma; diff --git a/sound/soc/fsl/imx-pcm.h b/sound/soc/fsl/imx-pcm.h index b5f5c3acf34d..83c0ed7d55c9 100644 --- a/sound/soc/fsl/imx-pcm.h +++ b/sound/soc/fsl/imx-pcm.h @@ -22,6 +22,7 @@ struct imx_pcm_dma_params { int dma; unsigned long dma_addr; int burstsize; + bool shared_peripheral; /* The peripheral is on SPBA bus */ }; int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, |