static int idma_new(struct snd_soc_pcm_runtime *rtd)
{
struct snd_card *card = rtd->card->snd_card;
- struct snd_soc_dai *dai = rtd->cpu_dai;
struct snd_pcm *pcm = rtd->pcm;
int ret = 0;
if (!card->dev->coherent_dma_mask)
card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
- if (dai->driver->playback.channels_min)
+ if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
ret = preallocate_idma_buffer(pcm,
SNDRV_PCM_STREAM_PLAYBACK);
+ }
return ret;
}
-void idma_reg_addr_init(void *regs, dma_addr_t addr)
+void idma_reg_addr_init(void __iomem *regs, dma_addr_t addr)
{
spin_lock_init(&idma.lock);
idma.regs = regs;
idma.lp_tx_addr = addr;
}
-struct snd_soc_platform_driver asoc_idma_platform = {
+static struct snd_soc_platform_driver asoc_idma_platform = {
.ops = &idma_ops,
.pcm_new = idma_new,
.pcm_free = idma_free,
.remove = __devexit_p(asoc_idma_platform_remove),
};
-static int __init asoc_idma_init(void)
-{
- return platform_driver_register(&asoc_idma_driver);
-}
-module_init(asoc_idma_init);
-
-static void __exit asoc_idma_exit(void)
-{
- platform_driver_unregister(&asoc_idma_driver);
-}
-module_exit(asoc_idma_exit);
+module_platform_driver(asoc_idma_driver);
MODULE_AUTHOR("Jaswinder Singh, <jassisinghbrar@gmail.com>");
MODULE_DESCRIPTION("Samsung ASoC IDMA Driver");