diff options
Diffstat (limited to 'sound/soc/ti/davinci-mcasp.c')
| -rw-r--r-- | sound/soc/ti/davinci-mcasp.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/sound/soc/ti/davinci-mcasp.c b/sound/soc/ti/davinci-mcasp.c index e1e937eb1dc1..734ffe925c4d 100644 --- a/sound/soc/ti/davinci-mcasp.c +++ b/sound/soc/ti/davinci-mcasp.c @@ -38,6 +38,7 @@ #include "edma-pcm.h" #include "sdma-pcm.h" +#include "udma-pcm.h" #include "davinci-mcasp.h" #define MCASP_MAX_AFIFO_DEPTH 64 @@ -1764,10 +1765,8 @@ static struct davinci_mcasp_pdata *davinci_mcasp_set_pdata_from_of( } else if (match) { pdata = devm_kmemdup(&pdev->dev, match->data, sizeof(*pdata), GFP_KERNEL); - if (!pdata) { - ret = -ENOMEM; - return pdata; - } + if (!pdata) + return NULL; } else { /* control shouldn't reach here. something is wrong */ ret = -EINVAL; @@ -1875,6 +1874,7 @@ nodata: enum { PCM_EDMA, PCM_SDMA, + PCM_UDMA, }; static const char *sdma_prefix = "ti,omap"; @@ -1912,6 +1912,8 @@ static int davinci_mcasp_get_dma_type(struct davinci_mcasp *mcasp) dev_dbg(mcasp->dev, "DMA controller compatible = \"%s\"\n", tmp); if (!strncmp(tmp, sdma_prefix, strlen(sdma_prefix))) return PCM_SDMA; + else if (strstr(tmp, "udmap")) + return PCM_UDMA; return PCM_EDMA; } @@ -2371,6 +2373,9 @@ static int davinci_mcasp_probe(struct platform_device *pdev) case PCM_SDMA: ret = sdma_pcm_platform_register(&pdev->dev, "tx", "rx"); break; + case PCM_UDMA: + ret = udma_pcm_platform_register(&pdev->dev); + break; default: dev_err(&pdev->dev, "No DMA controller found (%d)\n", ret); case -EPROBE_DEFER: |