struct imx_pcm_runtime_data *iprtd = runtime->private_data;
int ret;
- dma_params = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
+ dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
iprtd->dma = imx_dma_request_by_prio(DRV_NAME, DMA_PRIO_HIGH);
if (iprtd->dma < 0) {
struct imx_pcm_runtime_data *iprtd = runtime->private_data;
int err;
- dma_params = snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
+ dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
iprtd->substream = substream;
iprtd->buf = (unsigned int *)substream->dma_buffer.area;
int ret;
iprtd = kzalloc(sizeof(*iprtd), GFP_KERNEL);
+ if (iprtd == NULL)
+ return -ENOMEM;
runtime->private_data = iprtd;
ret = snd_pcm_hw_constraint_integer(substream->runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
- if (ret < 0)
+ if (ret < 0) {
+ kfree(iprtd);
return ret;
+ }
snd_soc_set_runtime_hwparams(substream, &snd_imx_hardware);
return 0;
.mmap = snd_imx_pcm_mmap,
};
-static struct snd_soc_platform imx_soc_platform_dma = {
- .name = "imx-audio",
- .pcm_ops = &imx_pcm_ops,
+static struct snd_soc_platform_driver imx_soc_platform_mx2 = {
+ .ops = &imx_pcm_ops,
.pcm_new = imx_pcm_new,
.pcm_free = imx_pcm_free,
};
-struct snd_soc_platform *imx_ssi_dma_mx2_init(struct platform_device *pdev,
- struct imx_ssi *ssi)
+static int __devinit imx_soc_platform_probe(struct platform_device *pdev)
+{
+ return snd_soc_register_platform(&pdev->dev, &imx_soc_platform_mx2);
+}
+
+static int __devexit imx_soc_platform_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_platform(&pdev->dev);
+ return 0;
+}
+
+static struct platform_driver imx_pcm_driver = {
+ .driver = {
+ .name = "imx-pcm-audio",
+ .owner = THIS_MODULE,
+ },
+
+ .probe = imx_soc_platform_probe,
+ .remove = __devexit_p(imx_soc_platform_remove),
+};
+
+static int __init snd_imx_pcm_init(void)
{
- ssi->dma_params_tx.burstsize = DMA_TXFIFO_BURST;
- ssi->dma_params_rx.burstsize = DMA_RXFIFO_BURST;
+ return platform_driver_register(&imx_pcm_driver);
+}
+module_init(snd_imx_pcm_init);
- return &imx_soc_platform_dma;
+static void __exit snd_imx_pcm_exit(void)
+{
+ platform_driver_unregister(&imx_pcm_driver);
}
+module_exit(snd_imx_pcm_exit);