diff options
| author | Mark Brown <broonie@linaro.org> | 2013-09-11 11:17:14 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-09-11 11:17:14 +0100 |
| commit | 29dc5dd229dc3130b51df0932e59946fc09d3bd4 (patch) | |
| tree | 51fbe8eb543fc4fd3f8ee6582bdc72ea0bccee6f /sound/soc/samsung/dma.c | |
| parent | 6e4664525b1db28f8c4e1130957f70a94c19213e (diff) | |
| parent | e011143454606de70eba1db5d99454eec0017fdb (diff) | |
Merge remote-tracking branch 'asoc/fix/atmel' into asoc-linus
Diffstat (limited to 'sound/soc/samsung/dma.c')
| -rw-r--r-- | sound/soc/samsung/dma.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c index 21b79262010..a0c67f60f59 100644 --- a/sound/soc/samsung/dma.c +++ b/sound/soc/samsung/dma.c @@ -176,6 +176,10 @@ static int dma_hw_params(struct snd_pcm_substream *substream, prtd->params->ch = prtd->params->ops->request( prtd->params->channel, &req, rtd->cpu_dai->dev, prtd->params->ch_name); + if (!prtd->params->ch) { + pr_err("Failed to allocate DMA channel\n"); + return -ENXIO; + } prtd->params->ops->config(prtd->params->ch, &config); } @@ -433,17 +437,17 @@ static struct snd_soc_platform_driver samsung_asoc_platform = { .pcm_free = dma_free_dma_buffers, }; -int asoc_dma_platform_register(struct device *dev) +int samsung_asoc_dma_platform_register(struct device *dev) { return snd_soc_register_platform(dev, &samsung_asoc_platform); } -EXPORT_SYMBOL_GPL(asoc_dma_platform_register); +EXPORT_SYMBOL_GPL(samsung_asoc_dma_platform_register); -void asoc_dma_platform_unregister(struct device *dev) +void samsung_asoc_dma_platform_unregister(struct device *dev) { snd_soc_unregister_platform(dev); } -EXPORT_SYMBOL_GPL(asoc_dma_platform_unregister); +EXPORT_SYMBOL_GPL(samsung_asoc_dma_platform_unregister); MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>"); MODULE_DESCRIPTION("Samsung ASoC DMA Driver"); |