From: 宋秀杰 <sxj@rock-chips.com>
Date: Wed, 21 Nov 2012 14:21:47 +0000 (+0800)
Subject: phonepad: make bluetooth incall sound clear, fix bug.
X-Git-Tag: firefly_0821_release~8190
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=152424dd50d35a66708cd4511020dcf6f88e5117;p=firefly-linux-kernel-4.4.55.git

phonepad: make bluetooth incall sound clear, fix bug.
---

diff --git a/sound/soc/rk29/rk29_rt3261.c b/sound/soc/rk29/rk29_rt3261.c
index 091c2617443c..02f5f08fb0b6 100644
--- a/sound/soc/rk29/rk29_rt3261.c
+++ b/sound/soc/rk29/rk29_rt3261.c
@@ -1,231 +1,231 @@
-/*
- * rk29_rt3261.c  --  SoC audio for rockchip
- *
- * Driver for rockchip rt3261 audio
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *
- */
-
-#include <linux/module.h>
-#include <linux/device.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-#include <sound/soc-dapm.h>
-#include <asm/io.h>
-#include <mach/hardware.h>
-
-#include "../codecs/rt3261.h"
-#include "rk29_pcm.h"
-#include "rk29_i2s.h"
-
-
-#if 0
-#define	DBG(x...)	printk(KERN_INFO x)
-#else
-#define	DBG(x...)
-#endif
-
-static int rk29_hw_params(struct snd_pcm_substream *substream,
-	struct snd_pcm_hw_params *params)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	unsigned int pll_out = 0;
-	int ret;
-
-	DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);    
-	/*by Vincent Hsiung for EQ Vol Change*/
-	#define HW_PARAMS_FLAG_EQVOL_ON 0x21
-	#define HW_PARAMS_FLAG_EQVOL_OFF 0x22
-	if (codec_dai->driver->ops->hw_params && ((params->flags == HW_PARAMS_FLAG_EQVOL_ON) || (params->flags == HW_PARAMS_FLAG_EQVOL_OFF)))
-	{
-		ret = codec_dai->driver->ops->hw_params(substream, params, codec_dai); //by Vincent
-		DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
-	} else {
-                
-		/* set codec DAI configuration */
-		#if defined (CONFIG_SND_RK29_CODEC_SOC_SLAVE) 
-
-		ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
-		                SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
-		#endif	
-		#if defined (CONFIG_SND_RK29_CODEC_SOC_MASTER) 
-
-		ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
-		                SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM ); 
-		#endif
-		if (ret < 0)
-			return ret; 
-
-		/* set cpu DAI configuration */
-		#if defined (CONFIG_SND_RK29_CODEC_SOC_SLAVE) 
-		ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
-		                SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
-		#endif	
-		#if defined (CONFIG_SND_RK29_CODEC_SOC_MASTER) 
-		ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
-		                SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);	
-		#endif		
-		if (ret < 0)
-			return ret;
-	}
-
-	switch(params_rate(params)) {
-		case 8000:
-		case 16000:
-		case 24000:
-		case 32000:
-		case 48000:
-			pll_out = 12288000;
-			break;
-		case 11025:
-		case 22050:
-		case 44100:
-			pll_out = 11289600;
-			break;
-		default:
-			DBG("Enter:%s, %d, Error rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
-			return -EINVAL;
-			break;
-	}
-
-	DBG("Enter:%s, %d, rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
-
-	/*Set the system clk for codec*/
-	ret = snd_soc_dai_set_sysclk(codec_dai, 0, pll_out, SND_SOC_CLOCK_IN);
-	if (ret < 0)
-	{
-		DBG("rk29_hw_params_rt3261:failed to set the sysclk for codec side\n"); 
-		return ret;
-	}
-
-	snd_soc_dai_set_sysclk(cpu_dai, 0, pll_out, 0);
-	snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_BCLK, (pll_out/4)/params_rate(params)-1);
-	snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_MCLK, 3);
-
-	DBG("Enter:%s, %d, pll_out/4/params_rate(params) = %d \n", __FUNCTION__, __LINE__, (pll_out/4)/params_rate(params));
- 
-	return 0;
-}
-
-static int rt3261_voice_hw_params(struct snd_pcm_substream *substream,
-	struct snd_pcm_hw_params *params)
-{
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_dai *codec_dai = rtd->codec_dai;
-	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-	unsigned int pll_out = 0;
-	int ret;
-
-	DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);    
-       
-	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_A |
-		SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_CBM_CFM ); 
-
-	switch(params_rate(params)) {
-		case 8000:
-		case 16000:
-		case 24000:
-		case 32000:
-		case 48000:
-			pll_out = 12288000;
-			break;
-		case 11025:
-		case 22050:
-		case 44100:
-			pll_out = 11289600;
-			break;
-		default:
-			DBG("Enter:%s, %d, Error rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
-			return -EINVAL;
-			break;
-	}
-
-	DBG("Enter:%s, %d, rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
-
-	/*Set the system clk for codec*/
-	snd_soc_dai_set_pll(codec_dai, 0, RT3261_PLL1_S_MCLK, pll_out, 256 * 8000);
-
- 	ret = snd_soc_dai_set_sysclk(codec_dai, RT3261_SCLK_S_PLL1, 256 * 8000, SND_SOC_CLOCK_IN);
-
-
-	if (ret < 0) {
-		printk("rk29_hw_params_rt3261:failed to set the sysclk for codec side\n"); 
-		return ret;
-	}
-
-	snd_soc_dai_set_sysclk(cpu_dai, 0, pll_out, 0);
-	snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_BCLK, (pll_out/4)/params_rate(params)-1);
-	snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_MCLK, 3);
-
-	DBG("Enter:%s, %d, pll_out/4/params_rate(params) = %d \n", __FUNCTION__, __LINE__, (pll_out/4)/params_rate(params));
- 
-	return 0;
-}
-
-static const struct snd_soc_dapm_widget rt3261_dapm_widgets[] = {
-	SND_SOC_DAPM_MIC("Mic Jack", NULL),
-	SND_SOC_DAPM_MIC("Headset Jack", NULL),	
-	SND_SOC_DAPM_SPK("Ext Spk", NULL),
-	SND_SOC_DAPM_HP("Headphone Jack", NULL),
-};
-
-static const struct snd_soc_dapm_route audio_map[]={
-
-	/* Mic Jack --> MIC_IN*/
-	{"micbias1", NULL, "Mic Jack"},
-	{"MIC1", NULL, "micbias1"},
-	
-	// HP MIC
-	{"micbias1", NULL, "Headset Jack"},
-	{"MIC3", NULL, "micbias1"},
-
-	{"Ext Spk", NULL, "SPOLP"},
-   	{"Ext Spk", NULL, "SPOLN"},
-   	{"Ext Spk", NULL, "SPORP"},
-      	{"Ext Spk", NULL, "SPORN"},
-
-	{"Headphone Jack", NULL, "HPOL"},
-	{"Headphone Jack", NULL, "HPOR"},
-} ;
-
-static const struct snd_kcontrol_new rk_controls[] = {
-	SOC_DAPM_PIN_SWITCH("Mic Jack"),
-	SOC_DAPM_PIN_SWITCH("Headset Jack"),
-	SOC_DAPM_PIN_SWITCH("Ext Spk"),
-	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
-};
-
-/*
- * Logic for a rt3261 as connected on a rockchip board.
- */
-static int rk29_rt3261_init(struct snd_soc_pcm_runtime *rtd)
-{
-	struct snd_soc_codec *codec = rtd->codec;
-	struct snd_soc_dapm_context *dapm = &codec->dapm;
-
-	DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
-
-	snd_soc_add_controls(codec, rk_controls,
-			ARRAY_SIZE(rk_controls));
-
-	/* Add specific widgets */
-	snd_soc_dapm_new_controls(dapm, rt3261_dapm_widgets,
-				  ARRAY_SIZE(rt3261_dapm_widgets));
-	/* Set up specific audio path audio_mapnects */
-	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
-
-	snd_soc_dapm_enable_pin(dapm, "Mic Jack");
-	snd_soc_dapm_enable_pin(dapm, "Headset Jack");
-	snd_soc_dapm_enable_pin(dapm, "Ext Spk");
-	snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
+/*
+ * rk29_rt3261.c  --  SoC audio for rockchip
+ *
+ * Driver for rockchip rt3261 audio
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <asm/io.h>
+#include <mach/hardware.h>
+
+#include "../codecs/rt3261.h"
+#include "rk29_pcm.h"
+#include "rk29_i2s.h"
+
+
+#if 0
+#define	DBG(x...)	printk(KERN_INFO x)
+#else
+#define	DBG(x...)
+#endif
+
+static int rk29_hw_params(struct snd_pcm_substream *substream,
+	struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+	unsigned int pll_out = 0;
+	int ret;
+
+	DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);    
+	/*by Vincent Hsiung for EQ Vol Change*/
+	#define HW_PARAMS_FLAG_EQVOL_ON 0x21
+	#define HW_PARAMS_FLAG_EQVOL_OFF 0x22
+	if (codec_dai->driver->ops->hw_params && ((params->flags == HW_PARAMS_FLAG_EQVOL_ON) || (params->flags == HW_PARAMS_FLAG_EQVOL_OFF)))
+	{
+		ret = codec_dai->driver->ops->hw_params(substream, params, codec_dai); //by Vincent
+		DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
+	} else {
+                
+		/* set codec DAI configuration */
+		#if defined (CONFIG_SND_RK29_CODEC_SOC_SLAVE) 
+
+		ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
+		                SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+		#endif	
+		#if defined (CONFIG_SND_RK29_CODEC_SOC_MASTER) 
+
+		ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
+		                SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM ); 
+		#endif
+		if (ret < 0)
+			return ret; 
+
+		/* set cpu DAI configuration */
+		#if defined (CONFIG_SND_RK29_CODEC_SOC_SLAVE) 
+		ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
+		                SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
+		#endif	
+		#if defined (CONFIG_SND_RK29_CODEC_SOC_MASTER) 
+		ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
+		                SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);	
+		#endif		
+		if (ret < 0)
+			return ret;
+	}
+
+	switch(params_rate(params)) {
+		case 8000:
+		case 16000:
+		case 24000:
+		case 32000:
+		case 48000:
+			pll_out = 12288000;
+			break;
+		case 11025:
+		case 22050:
+		case 44100:
+			pll_out = 11289600;
+			break;
+		default:
+			DBG("Enter:%s, %d, Error rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
+			return -EINVAL;
+			break;
+	}
+
+	DBG("Enter:%s, %d, rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
+
+	/*Set the system clk for codec*/
+	ret = snd_soc_dai_set_sysclk(codec_dai, 0, pll_out, SND_SOC_CLOCK_IN);
+	if (ret < 0)
+	{
+		DBG("rk29_hw_params_rt3261:failed to set the sysclk for codec side\n"); 
+		return ret;
+	}
+
+	snd_soc_dai_set_sysclk(cpu_dai, 0, pll_out, 0);
+	snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_BCLK, (pll_out/4)/params_rate(params)-1);
+	snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_MCLK, 3);
+
+	DBG("Enter:%s, %d, pll_out/4/params_rate(params) = %d \n", __FUNCTION__, __LINE__, (pll_out/4)/params_rate(params));
+ 
+	return 0;
+}
+
+static int rt3261_voice_hw_params(struct snd_pcm_substream *substream,
+	struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+	unsigned int pll_out = 0;
+	int ret;
+
+	DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);    
+       
+	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_A |
+		SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_CBM_CFM ); 
+
+	switch(params_rate(params)) {
+		case 8000:
+		case 16000:
+		case 24000:
+		case 32000:
+		case 48000:
+			pll_out = 12288000;
+			break;
+		case 11025:
+		case 22050:
+		case 44100:
+			pll_out = 11289600;
+			break;
+		default:
+			DBG("Enter:%s, %d, Error rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
+			return -EINVAL;
+			break;
+	}
+
+	DBG("Enter:%s, %d, rate=%d\n", __FUNCTION__, __LINE__, params_rate(params));
+
+	/*Set the system clk for codec*/
+	snd_soc_dai_set_pll(codec_dai, 0, RT3261_PLL1_S_MCLK, pll_out, 24576000);
+
+ 	ret = snd_soc_dai_set_sysclk(codec_dai, RT3261_SCLK_S_PLL1, 24576000, SND_SOC_CLOCK_IN);
+
+
+	if (ret < 0) {
+		printk("rk29_hw_params_rt3261:failed to set the sysclk for codec side\n"); 
+		return ret;
+	}
+
+	snd_soc_dai_set_sysclk(cpu_dai, 0, pll_out, 0);
+	snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_BCLK, (pll_out/4)/params_rate(params)-1);
+	snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_MCLK, 3);
+
+	DBG("Enter:%s, %d, pll_out/4/params_rate(params) = %d \n", __FUNCTION__, __LINE__, (pll_out/4)/params_rate(params));
+ 
+	return 0;
+}
+
+static const struct snd_soc_dapm_widget rt3261_dapm_widgets[] = {
+	SND_SOC_DAPM_MIC("Mic Jack", NULL),
+	SND_SOC_DAPM_MIC("Headset Jack", NULL),	
+	SND_SOC_DAPM_SPK("Ext Spk", NULL),
+	SND_SOC_DAPM_HP("Headphone Jack", NULL),
+};
+
+static const struct snd_soc_dapm_route audio_map[]={
+
+	/* Mic Jack --> MIC_IN*/
+	{"micbias1", NULL, "Mic Jack"},
+	{"MIC1", NULL, "micbias1"},
+	
+	// HP MIC
+	{"micbias1", NULL, "Headset Jack"},
+	{"MIC3", NULL, "micbias1"},
+
+	{"Ext Spk", NULL, "SPOLP"},
+   	{"Ext Spk", NULL, "SPOLN"},
+   	{"Ext Spk", NULL, "SPORP"},
+      	{"Ext Spk", NULL, "SPORN"},
+
+	{"Headphone Jack", NULL, "HPOL"},
+	{"Headphone Jack", NULL, "HPOR"},
+} ;
+
+static const struct snd_kcontrol_new rk_controls[] = {
+	SOC_DAPM_PIN_SWITCH("Mic Jack"),
+	SOC_DAPM_PIN_SWITCH("Headset Jack"),
+	SOC_DAPM_PIN_SWITCH("Ext Spk"),
+	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
+};
+
+/*
+ * Logic for a rt3261 as connected on a rockchip board.
+ */
+static int rk29_rt3261_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_codec *codec = rtd->codec;
+	struct snd_soc_dapm_context *dapm = &codec->dapm;
+
+	DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
+
+	snd_soc_add_controls(codec, rk_controls,
+			ARRAY_SIZE(rk_controls));
+
+	/* Add specific widgets */
+	snd_soc_dapm_new_controls(dapm, rt3261_dapm_widgets,
+				  ARRAY_SIZE(rt3261_dapm_widgets));
+	/* Set up specific audio path audio_mapnects */
+	snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
+
+	snd_soc_dapm_enable_pin(dapm, "Mic Jack");
+	snd_soc_dapm_enable_pin(dapm, "Headset Jack");
+	snd_soc_dapm_enable_pin(dapm, "Ext Spk");
+	snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
 #ifdef CONFIG_HDMI
 	extern int hdmi_is_insert(void);
 	extern void codec_set_spk(bool on);         
@@ -239,81 +239,81 @@ static int rk29_rt3261_init(struct snd_soc_pcm_runtime *rtd)
 		codec_set_spk(false);
 #endif
 
-	snd_soc_dapm_sync(dapm);
-
-	return 0;
-}
-
-static struct snd_soc_ops rk29_ops = {
-	.hw_params = rk29_hw_params,
-};
-
-static struct snd_soc_ops rt3261_voice_ops = {
-	.hw_params = rt3261_voice_hw_params,
-};
-
-static struct snd_soc_dai_link rk29_dai[] = {
-	{
-		.name = "RT3261 I2S1",
-		.stream_name = "RT3261 PCM",
-		.codec_name = "rt3261.0-001c",
-		.platform_name = "rockchip-audio",
-		.cpu_dai_name = "rk29_i2s.0",
-		.codec_dai_name = "rt3261-aif1",
-		.init = rk29_rt3261_init,
-		.ops = &rk29_ops,
-	},
-	{
-		.name = "RT3261 I2S2",
-		.stream_name = "RT3261 PCM",
-		.codec_name = "rt3261.0-001c",
-		.platform_name = "rockchip-audio",
-		.cpu_dai_name = "rk29_i2s.0",
-		.codec_dai_name = "rt3261-aif2",
-		.ops = &rt3261_voice_ops,
-	},
-};
-
-static struct snd_soc_card snd_soc_card_rk29 = {
-	.name = "RK29_RT3261",
-	.dai_link = rk29_dai,
-	.num_links = 2,
-};
-
-static struct platform_device *rk29_snd_device;
-
-static int __init audio_card_init(void)
-{
-	int ret =0;
-
-	DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
-
-	rk29_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!rk29_snd_device) {
-		  printk("platform device allocation failed\n");
-		  return -ENOMEM;
-	}
-
-	platform_set_drvdata(rk29_snd_device, &snd_soc_card_rk29);
-	ret = platform_device_add(rk29_snd_device);
-	if (ret) {
-		printk("platform device add failed\n");
-
-		platform_device_put(rk29_snd_device);
-		return ret;
-	}
-		
-        return ret;
-}
-
-static void __exit audio_card_exit(void)
-{
-	platform_device_unregister(rk29_snd_device);
-}
-
-module_init(audio_card_init);
-module_exit(audio_card_exit);
-/* Module information */
-MODULE_AUTHOR("rockchip");
-MODULE_DESCRIPTION("ROCKCHIP i2s ASoC Interface");
-MODULE_LICENSE("GPL");
+	snd_soc_dapm_sync(dapm);
+
+	return 0;
+}
+
+static struct snd_soc_ops rk29_ops = {
+	.hw_params = rk29_hw_params,
+};
+
+static struct snd_soc_ops rt3261_voice_ops = {
+	.hw_params = rt3261_voice_hw_params,
+};
+
+static struct snd_soc_dai_link rk29_dai[] = {
+	{
+		.name = "RT3261 I2S1",
+		.stream_name = "RT3261 PCM",
+		.codec_name = "rt3261.0-001c",
+		.platform_name = "rockchip-audio",
+		.cpu_dai_name = "rk29_i2s.0",
+		.codec_dai_name = "rt3261-aif1",
+		.init = rk29_rt3261_init,
+		.ops = &rk29_ops,
+	},
+	{
+		.name = "RT3261 I2S2",
+		.stream_name = "RT3261 PCM",
+		.codec_name = "rt3261.0-001c",
+		.platform_name = "rockchip-audio",
+		.cpu_dai_name = "rk29_i2s.0",
+		.codec_dai_name = "rt3261-aif2",
+		.ops = &rt3261_voice_ops,
+	},
+};
+
+static struct snd_soc_card snd_soc_card_rk29 = {
+	.name = "RK29_RT3261",
+	.dai_link = rk29_dai,
+	.num_links = 2,
+};
+
+static struct platform_device *rk29_snd_device;
+
+static int __init audio_card_init(void)
+{
+	int ret =0;
+
+	DBG("Enter::%s----%d\n",__FUNCTION__,__LINE__);
+
+	rk29_snd_device = platform_device_alloc("soc-audio", -1);
+	if (!rk29_snd_device) {
+		  printk("platform device allocation failed\n");
+		  return -ENOMEM;
+	}
+
+	platform_set_drvdata(rk29_snd_device, &snd_soc_card_rk29);
+	ret = platform_device_add(rk29_snd_device);
+	if (ret) {
+		printk("platform device add failed\n");
+
+		platform_device_put(rk29_snd_device);
+		return ret;
+	}
+		
+        return ret;
+}
+
+static void __exit audio_card_exit(void)
+{
+	platform_device_unregister(rk29_snd_device);
+}
+
+module_init(audio_card_init);
+module_exit(audio_card_exit);
+/* Module information */
+MODULE_AUTHOR("rockchip");
+MODULE_DESCRIPTION("ROCKCHIP i2s ASoC Interface");
+MODULE_LICENSE("GPL");