[alsa-devel] [PATCH 28/44] ASoC: pxa: mmp-pcm: remove snd_pcm_ops

[Kuninori Morimoto]

From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>

snd_pcm_ops is no longer needed.
Let's use component driver callback.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
 sound/soc/pxa/mmp-pcm.c | 62 +++++++++++++++++++++++++++++++------------------
 1 file changed, 40 insertions(+), 22 deletions(-)

diff --git a/sound/soc/pxa/mmp-pcm.c b/sound/soc/pxa/mmp-pcm.c
index 7096b52..54a4c92 100644
--- a/sound/soc/pxa/mmp-pcm.c
+++ b/sound/soc/pxa/mmp-pcm.c
@@ -55,8 +55,9 @@ static struct snd_pcm_hardware mmp_pcm_hardware[] = {
 	},
 };
 
-static int mmp_pcm_hw_params(struct snd_pcm_substream *substream,
-			      struct snd_pcm_hw_params *params)
+static int mmp_pcm_hw_params(struct snd_soc_component *component,
+			     struct snd_pcm_substream *substream,
+			     struct snd_pcm_hw_params *params)
 {
 	struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream);
 	struct dma_slave_config slave_config;
@@ -77,6 +78,18 @@ static int mmp_pcm_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
+static int mmp_pcm_trigger(struct snd_soc_component *component,
+			   struct snd_pcm_substream *substream, int cmd)
+{
+	return snd_dmaengine_pcm_trigger(substream, cmd);
+}
+
+static snd_pcm_uframes_t mmp_pcm_pointer(struct snd_soc_component *component,
+					 struct snd_pcm_substream *substream)
+{
+	return snd_dmaengine_pcm_pointer(substream);
+}
+
 static bool filter(struct dma_chan *chan, void *param)
 {
 	struct mmp_dma_data *dma_data = param;
@@ -94,10 +107,10 @@ static bool filter(struct dma_chan *chan, void *param)
 	return found;
 }
 
-static int mmp_pcm_open(struct snd_pcm_substream *substream)
+static int mmp_pcm_open(struct snd_soc_component *component,
+			struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
 	struct platform_device *pdev = to_platform_device(component->dev);
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 	struct mmp_dma_data dma_data;
@@ -117,8 +130,15 @@ static int mmp_pcm_open(struct snd_pcm_substream *substream)
 		    &dma_data);
 }
 
-static int mmp_pcm_mmap(struct snd_pcm_substream *substream,
-			 struct vm_area_struct *vma)
+static int mmp_pcm_close(struct snd_soc_component *component,
+			 struct snd_pcm_substream *substream)
+{
+	return snd_dmaengine_pcm_close_release_chan(substream);
+}
+
+static int mmp_pcm_mmap(struct snd_soc_component *component,
+			struct snd_pcm_substream *substream,
+			struct vm_area_struct *vma)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	unsigned long off = vma->vm_pgoff;
@@ -129,17 +149,8 @@ static int mmp_pcm_mmap(struct snd_pcm_substream *substream,
 		vma->vm_end - vma->vm_start, vma->vm_page_prot);
 }
 
-static const struct snd_pcm_ops mmp_pcm_ops = {
-	.open		= mmp_pcm_open,
-	.close		= snd_dmaengine_pcm_close_release_chan,
-	.ioctl		= snd_pcm_lib_ioctl,
-	.hw_params	= mmp_pcm_hw_params,
-	.trigger	= snd_dmaengine_pcm_trigger,
-	.pointer	= snd_dmaengine_pcm_pointer,
-	.mmap		= mmp_pcm_mmap,
-};
-
-static void mmp_pcm_free_dma_buffers(struct snd_pcm *pcm)
+static void mmp_pcm_free_dma_buffers(struct snd_soc_component *component,
+				     struct snd_pcm *pcm)
 {
 	struct snd_pcm_substream *substream;
 	struct snd_dma_buffer *buf;
@@ -188,7 +199,8 @@ static int mmp_pcm_preallocate_dma_buffer(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static int mmp_pcm_new(struct snd_soc_pcm_runtime *rtd)
+static int mmp_pcm_new(struct snd_soc_component *component,
+		       struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_pcm_substream *substream;
 	struct snd_pcm *pcm = rtd->pcm;
@@ -205,15 +217,21 @@ static int mmp_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	return 0;
 
 err:
-	mmp_pcm_free_dma_buffers(pcm);
+	mmp_pcm_free_dma_buffers(component, pcm);
 	return ret;
 }
 
 static const struct snd_soc_component_driver mmp_soc_component = {
 	.name		= DRV_NAME,
-	.ops		= &mmp_pcm_ops,
-	.pcm_new	= mmp_pcm_new,
-	.pcm_free	= mmp_pcm_free_dma_buffers,
+	.open		= mmp_pcm_open,
+	.close		= mmp_pcm_close,
+	.ioctl		= snd_soc_pcm_lib_ioctl,
+	.hw_params	= mmp_pcm_hw_params,
+	.trigger	= mmp_pcm_trigger,
+	.pointer	= mmp_pcm_pointer,
+	.mmap		= mmp_pcm_mmap,
+	.pcm_construct	= mmp_pcm_new,
+	.pcm_destruct	= mmp_pcm_free_dma_buffers,
 };
 
 static int mmp_pcm_probe(struct platform_device *pdev)
-- 
2.7.4