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");