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Diffstat (limited to 'sound/soc/davinci/davinci-pcm.c')
-rw-r--r--sound/soc/davinci/davinci-pcm.c30
1 files changed, 18 insertions, 12 deletions
diff --git a/sound/soc/davinci/davinci-pcm.c b/sound/soc/davinci/davinci-pcm.c
index 76feaa65737..74abc9b4f1c 100644
--- a/sound/soc/davinci/davinci-pcm.c
+++ b/sound/soc/davinci/davinci-pcm.c
@@ -14,6 +14,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/dma-mapping.h>
+#include <linux/kernel.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -24,13 +25,6 @@
#include "davinci-pcm.h"
-#define DAVINCI_PCM_DEBUG 0
-#if DAVINCI_PCM_DEBUG
-#define DPRINTK(x...) printk(KERN_DEBUG x)
-#else
-#define DPRINTK(x...)
-#endif
-
static struct snd_pcm_hardware davinci_pcm_hardware = {
.info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
@@ -78,8 +72,8 @@ static void davinci_pcm_enqueue_dma(struct snd_pcm_substream *substream)
dma_offset = prtd->period * period_size;
dma_pos = runtime->dma_addr + dma_offset;
- DPRINTK("audio_set_dma_params_play channel = %d dma_ptr = %x "
- "period_size=%x\n", lch, dma_pos, period_size);
+ pr_debug("davinci_pcm: audio_set_dma_params_play channel = %d "
+ "dma_ptr = %x period_size=%x\n", lch, dma_pos, period_size);
data_type = prtd->params->data_type;
count = period_size / data_type;
@@ -112,7 +106,7 @@ static void davinci_pcm_dma_irq(int lch, u16 ch_status, void *data)
struct snd_pcm_substream *substream = data;
struct davinci_runtime_data *prtd = substream->runtime->private_data;
- DPRINTK("lch=%d, status=0x%x\n", lch, ch_status);
+ pr_debug("davinci_pcm: lch=%d, status=0x%x\n", lch, ch_status);
if (unlikely(ch_status != DMA_COMPLETE))
return;
@@ -316,8 +310,8 @@ static int davinci_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
buf->area = dma_alloc_writecombine(pcm->card->dev, size,
&buf->addr, GFP_KERNEL);
- DPRINTK("preallocate_dma_buffer: area=%p, addr=%p, size=%d\n",
- (void *) buf->area, (void *) buf->addr, size);
+ pr_debug("davinci_pcm: preallocate_dma_buffer: area=%p, addr=%p, "
+ "size=%d\n", (void *) buf->area, (void *) buf->addr, size);
if (!buf->area)
return -ENOMEM;
@@ -384,6 +378,18 @@ struct snd_soc_platform davinci_soc_platform = {
};
EXPORT_SYMBOL_GPL(davinci_soc_platform);
+static int __init davinci_soc_platform_init(void)
+{
+ return snd_soc_register_platform(&davinci_soc_platform);
+}
+module_init(davinci_soc_platform_init);
+
+static void __exit davinci_soc_platform_exit(void)
+{
+ snd_soc_unregister_platform(&davinci_soc_platform);
+}
+module_exit(davinci_soc_platform_exit);
+
MODULE_AUTHOR("Vladimir Barinov");
MODULE_DESCRIPTION("TI DAVINCI PCM DMA module");
MODULE_LICENSE("GPL");