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Diffstat (limited to 'sound/soc/omap/omap-mcpdm.c')
-rw-r--r--sound/soc/omap/omap-mcpdm.c71
1 files changed, 46 insertions, 25 deletions
diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c
index b7f4f7e015f3..f161c2f5ed36 100644
--- a/sound/soc/omap/omap-mcpdm.c
+++ b/sound/soc/omap/omap-mcpdm.c
@@ -36,7 +36,6 @@
#include <plat/dma.h>
#include <plat/mcbsp.h>
#include "mcpdm.h"
-#include "omap-mcpdm.h"
#include "omap-pcm.h"
struct omap_mcpdm_data {
@@ -89,11 +88,9 @@ static struct omap_pcm_dma_data omap_mcpdm_dai_dma_params[] = {
static int omap_mcpdm_dai_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
int err = 0;
- if (!cpu_dai->active)
+ if (!dai->active)
err = omap_mcpdm_request();
return err;
@@ -102,19 +99,14 @@ static int omap_mcpdm_dai_startup(struct snd_pcm_substream *substream,
static void omap_mcpdm_dai_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
-
- if (!cpu_dai->active)
+ if (!dai->active)
omap_mcpdm_free();
}
static int omap_mcpdm_dai_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
- struct omap_mcpdm_data *mcpdm_priv = cpu_dai->private_data;
+ struct omap_mcpdm_data *mcpdm_priv = snd_soc_dai_get_drvdata(dai);
int stream = substream->stream;
int err = 0;
@@ -143,14 +135,12 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
- struct omap_mcpdm_data *mcpdm_priv = cpu_dai->private_data;
+ struct omap_mcpdm_data *mcpdm_priv = snd_soc_dai_get_drvdata(dai);
struct omap_mcpdm_link *mcpdm_links = mcpdm_priv->links;
int stream = substream->stream;
int channels, err, link_mask = 0;
- snd_soc_dai_set_dma_data(cpu_dai, substream,
+ snd_soc_dai_set_dma_data(dai, substream,
&omap_mcpdm_dai_dma_params[stream]);
channels = params_channels(params);
@@ -189,9 +179,7 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream,
static int omap_mcpdm_dai_hw_free(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
- struct omap_mcpdm_data *mcpdm_priv = cpu_dai->private_data;
+ struct omap_mcpdm_data *mcpdm_priv = snd_soc_dai_get_drvdata(dai);
struct omap_mcpdm_link *mcpdm_links = mcpdm_priv->links;
int stream = substream->stream;
int err;
@@ -215,9 +203,14 @@ static struct snd_soc_dai_ops omap_mcpdm_dai_ops = {
#define OMAP_MCPDM_RATES (SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
#define OMAP_MCPDM_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
-struct snd_soc_dai omap_mcpdm_dai = {
- .name = "omap-mcpdm",
- .id = -1,
+static int omap_mcpdm_dai_probe(struct snd_soc_dai *dai)
+{
+ snd_soc_dai_set_drvdata(dai, &mcpdm_data);
+ return 0;
+}
+
+static struct snd_soc_dai_driver omap_mcpdm_dai = {
+ .probe = omap_mcpdm_dai_probe,
.playback = {
.channels_min = 1,
.channels_max = 4,
@@ -231,19 +224,47 @@ struct snd_soc_dai omap_mcpdm_dai = {
.formats = OMAP_MCPDM_FORMATS,
},
.ops = &omap_mcpdm_dai_ops,
- .private_data = &mcpdm_data,
};
-EXPORT_SYMBOL_GPL(omap_mcpdm_dai);
+
+static __devinit int asoc_mcpdm_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ ret = omap_mcpdm_probe(pdev);
+ if (ret < 0)
+ return ret;
+ ret = snd_soc_register_dai(&pdev->dev, &omap_mcpdm_dai);
+ if (ret < 0)
+ omap_mcpdm_remove(pdev);
+ return ret;
+}
+
+static int __devexit asoc_mcpdm_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_dai(&pdev->dev);
+ omap_mcpdm_remove(pdev);
+ return 0;
+}
+
+static struct platform_driver asoc_mcpdm_driver = {
+ .driver = {
+ .name = "omap-mcpdm-dai",
+ .owner = THIS_MODULE,
+ },
+
+ .probe = asoc_mcpdm_probe,
+ .remove = __devexit_p(asoc_mcpdm_remove),
+};
static int __init snd_omap_mcpdm_init(void)
{
- return snd_soc_register_dai(&omap_mcpdm_dai);
+ return platform_driver_register(&asoc_mcpdm_driver);
}
module_init(snd_omap_mcpdm_init);
static void __exit snd_omap_mcpdm_exit(void)
{
- snd_soc_unregister_dai(&omap_mcpdm_dai);
+ platform_driver_unregister(&asoc_mcpdm_driver);
}
module_exit(snd_omap_mcpdm_exit);