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Diffstat (limited to 'sound/soc/fsl/imx-pcm.c')
-rw-r--r--sound/soc/fsl/imx-pcm.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/sound/soc/fsl/imx-pcm.c b/sound/soc/fsl/imx-pcm.c
index 0c9f188ddc6..0d0625bfcb6 100644
--- a/sound/soc/fsl/imx-pcm.c
+++ b/sound/soc/fsl/imx-pcm.c
@@ -31,6 +31,7 @@ int snd_imx_pcm_mmap(struct snd_pcm_substream *substream,
runtime->dma_bytes);
return ret;
}
+EXPORT_SYMBOL_GPL(snd_imx_pcm_mmap);
static int imx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
{
@@ -79,6 +80,7 @@ int imx_pcm_new(struct snd_soc_pcm_runtime *rtd)
out:
return ret;
}
+EXPORT_SYMBOL_GPL(imx_pcm_new);
void imx_pcm_free(struct snd_pcm *pcm)
{
@@ -100,6 +102,39 @@ void imx_pcm_free(struct snd_pcm *pcm)
buf->area = NULL;
}
}
+EXPORT_SYMBOL_GPL(imx_pcm_free);
+
+static int imx_pcm_probe(struct platform_device *pdev)
+{
+ if (strcmp(pdev->id_entry->name, "imx-fiq-pcm-audio") == 0)
+ return imx_pcm_fiq_init(pdev);
+
+ return imx_pcm_dma_init(pdev);
+}
+
+static int imx_pcm_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_platform(&pdev->dev);
+ return 0;
+}
+
+static struct platform_device_id imx_pcm_devtype[] = {
+ { .name = "imx-pcm-audio", },
+ { .name = "imx-fiq-pcm-audio", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(platform, imx_pcm_devtype);
+
+static struct platform_driver imx_pcm_driver = {
+ .driver = {
+ .name = "imx-pcm",
+ .owner = THIS_MODULE,
+ },
+ .id_table = imx_pcm_devtype,
+ .probe = imx_pcm_probe,
+ .remove = imx_pcm_remove,
+};
+module_platform_driver(imx_pcm_driver);
MODULE_DESCRIPTION("Freescale i.MX PCM driver");
MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");