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Commit 4422b606 authored by Liam Girdwood's avatar Liam Girdwood Committed by Jaroslav Kysela
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[ALSA] soc - ASoC 0.13 WM8750 codec driver 

This patch updates the WM8750 codec driver to the new API in ASoC 0.13.
Changes:-
o Removed DAI capabilities matching code in favour of manual matching in
the machine drivers.
o Added DAI operations for codec and CPU interfaces.
o Removed config_sysclk() function and struct snd_soc_clock_info. No
longer needed as clocking is now configured manually in the machine
drivers. Also removed other clocking data from structures.
Signed-off-by: default avatarLiam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent b36d61d4
Show whitespace changes
Inline Side-by-side
Showing with 113 additions and 336 deletions
sound/soc/codecs/wm8750.c
View file @ 4422b606
......@@ -30,7 +30,7 @@
#include "wm8750.h"
#define AUDIO_NAME "WM8750"
#define WM8750_VERSION "0.11"
#define WM8750_VERSION "0.12"
/*
* Debug
......@@ -51,6 +51,11 @@
#define warn(format, arg...) \
printk(KERN_WARNING AUDIO_NAME ": " format "\n" , ## arg)
/* codec private data */
struct wm8750_priv {
unsigned int sysclk;
};
/*
* wm8750 register cache
* We can't read the WM8750 register space when we
......@@ -70,280 +75,6 @@ static const u16 wm8750_reg[] = {
0x0079, 0x0079, 0x0079, /* 40 */
};
#define WM8750_HIFI_DAIFMT \
(SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_RIGHT_J | \
SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_IB_NF | \
SND_SOC_DAIFMT_IB_IF)
#define WM8750_DIR \
(SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
#define WM8750_HIFI_FSB \
(SND_SOC_FSBD(1) | SND_SOC_FSBD(2) | SND_SOC_FSBD(4) | \
SND_SOC_FSBD(8) | SND_SOC_FSBD(16))
#define WM8750_HIFI_RATES \
(SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
#define WM8750_HIFI_BITS \
(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
static struct snd_soc_dai_mode wm8750_modes[] = {
/* common codec frame and clock master modes */
/* 8k */
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_8000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 1536,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_8000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 1408,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_8000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 2304,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_8000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 2112,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_8000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 1500,
.bfs = WM8750_HIFI_FSB,
},
/* 11.025k */
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_11025,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 1024,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_11025,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 1536,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_11025,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 1088,
.bfs = WM8750_HIFI_FSB,
},
/* 16k */
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_16000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 768,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_16000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 1152,
.bfs = WM8750_HIFI_FSB
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_16000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 750,
.bfs = WM8750_HIFI_FSB,
},
/* 22.05k */
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_22050,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 512,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_22050,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 768,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_22050,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 544,
.bfs = WM8750_HIFI_FSB,
},
/* 32k */
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_32000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 384,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_32000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 576,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_32000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 375,
.bfs = WM8750_HIFI_FSB,
},
/* 44.1k & 48k */
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 256,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 384,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_44100,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 272,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_48000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 250,
.bfs = WM8750_HIFI_FSB,
},
/* 88.2k & 96k */
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 128,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 192,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_88200,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 136,
.bfs = WM8750_HIFI_FSB,
},
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBM_CFM,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = SNDRV_PCM_RATE_96000,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = 125,
.bfs = WM8750_HIFI_FSB,
},
/* codec frame and clock slave modes */
{
.fmt = WM8750_HIFI_DAIFMT | SND_SOC_DAIFMT_CBS_CFS,
.pcmfmt = WM8750_HIFI_BITS,
.pcmrate = WM8750_HIFI_RATES,
.pcmdir = WM8750_DIR,
.flags = SND_SOC_DAI_BFS_DIV,
.fs = SND_SOC_FS_ALL,
.bfs = SND_SOC_FSB_ALL,
},
};
/*
* read wm8750 register cache
*/
......@@ -834,40 +565,43 @@ static inline int get_coeff(int mclk, int rate)
return -EINVAL;
}
/* WM8750 supports numerous input clocks per sample rate */
static unsigned int wm8750_config_sysclk(struct snd_soc_codec_dai *dai,
struct snd_soc_clock_info *info, unsigned int clk)
static int wm8750_set_dai_sysclk(struct snd_soc_codec_dai *codec_dai,
int clk_id, unsigned int freq, int dir)
{
dai->mclk = clk;
return dai->mclk;
struct snd_soc_codec *codec = codec_dai->codec;
struct wm8750_priv *wm8750 = codec->private_data;
switch (freq) {
case 11289600:
case 12000000:
case 12288000:
case 16934400:
case 18432000:
wm8750->sysclk = freq;
return 0;
}
return -EINVAL;
}
static int wm8750_pcm_prepare(struct snd_pcm_substream *substream)
static int wm8750_set_dai_fmt(struct snd_soc_codec_dai *codec_dai,
unsigned int fmt)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_codec *codec = socdev->codec;
u16 iface = 0, bfs, srate = 0;
int i = get_coeff(rtd->codec_dai->mclk,
snd_soc_get_rate(rtd->codec_dai->dai_runtime.pcmrate));
/* is coefficient valid ? */
if (i < 0)
return i;
bfs = SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs);
struct snd_soc_codec *codec = codec_dai->codec;
u16 iface = 0;
/* set master/slave audio interface */
switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
iface = 0x0040;
break;
case SND_SOC_DAIFMT_CBS_CFS:
break;
default:
return -EINVAL;
}
/* interface format */
switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
iface |= 0x0002;
break;
......@@ -882,25 +616,12 @@ static int wm8750_pcm_prepare(struct snd_pcm_substream *substream)
case SND_SOC_DAIFMT_DSP_B:
iface |= 0x0013;
break;
}
/* bit size */
switch (rtd->codec_dai->dai_runtime.pcmfmt) {
case SNDRV_PCM_FMTBIT_S16_LE:
break;
case SNDRV_PCM_FMTBIT_S20_3LE:
iface |= 0x0004;
break;
case SNDRV_PCM_FMTBIT_S24_LE:
iface |= 0x0008;
break;
case SNDRV_PCM_FMTBIT_S32_LE:
iface |= 0x000c;
break;
default:
return -EINVAL;
}
/* clock inversion */
switch (rtd->codec_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK) {
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
break;
case SND_SOC_DAIFMT_IB_IF:
......@@ -912,35 +633,54 @@ static int wm8750_pcm_prepare(struct snd_pcm_substream *substream)
case SND_SOC_DAIFMT_NB_IF:
iface |= 0x0010;
break;
default:
return -EINVAL;
}
/* set bclk divisor rate */
switch (bfs) {
case 1:
wm8750_write(codec, WM8750_IFACE, iface);
return 0;
}
static int wm8750_pcm_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_device *socdev = rtd->socdev;
struct snd_soc_codec *codec = socdev->codec;
struct wm8750_priv *wm8750 = codec->private_data;
u16 iface = wm8750_read_reg_cache(codec, WM8750_IFACE) & 0x1f3;
u16 srate = wm8750_read_reg_cache(codec, WM8750_SRATE) & 0x1c0;
int coeff = get_coeff(wm8750->sysclk, params_rate(params));
/* bit size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
break;
case 4:
srate |= (0x1 << 7);
case SNDRV_PCM_FORMAT_S20_3LE:
iface |= 0x0004;
break;
case 8:
srate |= (0x2 << 7);
case SNDRV_PCM_FORMAT_S24_LE:
iface |= 0x0008;
break;
case 16:
srate |= (0x3 << 7);
case SNDRV_PCM_FORMAT_S32_LE:
iface |= 0x000c;
break;
}
/* set iface & srate */
wm8750_write(codec, WM8750_IFACE, iface);
if (coeff >= 0)
wm8750_write(codec, WM8750_SRATE, srate |
(coeff_div[i].sr << 1) | coeff_div[i].usb);
(coeff_div[coeff].sr << 1) | coeff_div[coeff].usb);
return 0;
}
static int wm8750_mute(struct snd_soc_codec *codec,
struct snd_soc_codec_dai *dai, int mute)
static int wm8750_mute(struct snd_soc_codec_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
u16 mute_reg = wm8750_read_reg_cache(codec, WM8750_ADCDAC) & 0xfff7;
if (mute)
wm8750_write(codec, WM8750_ADCDAC, mute_reg | 0x8);
else
......@@ -974,26 +714,34 @@ static int wm8750_dapm_event(struct snd_soc_codec *codec, int event)
return 0;
}
#define WM8750_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
#define WM8750_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE)
struct snd_soc_codec_dai wm8750_dai = {
.name = "WM8750",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 2,
},
.rates = WM8750_RATES,
.formats = WM8750_FORMATS,},
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
},
.config_sysclk = wm8750_config_sysclk,
.digital_mute = wm8750_mute,
.rates = WM8750_RATES,
.formats = WM8750_FORMATS,},
.ops = {
.prepare = wm8750_pcm_prepare,
.hw_params = wm8750_pcm_hw_params,
},
.caps = {
.num_modes = ARRAY_SIZE(wm8750_modes),
.mode = wm8750_modes,
.dai_ops = {
.digital_mute = wm8750_mute,
.set_fmt = wm8750_set_dai_fmt,
.set_sysclk = wm8750_set_dai_sysclk,
},
};
EXPORT_SYMBOL_GPL(wm8750_dai);
......@@ -1037,8 +785,7 @@ static int wm8750_resume(struct platform_device *pdev)
if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0) {
wm8750_dapm_event(codec, SNDRV_CTL_POWER_D2);
codec->dapm_state = SNDRV_CTL_POWER_D0;
schedule_delayed_work(&codec->delayed_work,
msecs_to_jiffies(1000));
schedule_delayed_work(&codec->delayed_work, msecs_to_jiffies(1000));
}
return 0;
......@@ -1218,6 +965,7 @@ static int wm8750_probe(struct platform_device *pdev)
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
struct wm8750_setup_data *setup = socdev->codec_data;
struct snd_soc_codec *codec;
struct wm8750_priv *wm8750;
int ret = 0;
info("WM8750 Audio Codec %s", WM8750_VERSION);
......@@ -1225,12 +973,20 @@ static int wm8750_probe(struct platform_device *pdev)
if (codec == NULL)
return -ENOMEM;
wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
if (wm8750 == NULL) {
kfree(codec);
return -ENOMEM;
}
codec->private_data = wm8750;
socdev->codec = codec;
mutex_init(&codec->mutex);
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
wm8750_socdev = socdev;
INIT_DELAYED_WORK(&codec->delayed_work, wm8750_work);
#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
if (setup->i2c_address) {
normal_i2c[0] = setup->i2c_address;
......@@ -1246,6 +1002,25 @@ static int wm8750_probe(struct platform_device *pdev)
return ret;
}
/*
* This function forces any delayed work to be queued and run.
*/
static int run_delayed_work(struct delayed_work *dwork)
{
int ret;
/* cancel any work waiting to be queued. */
ret = cancel_delayed_work(dwork);
/* if there was any work waiting then we run it now and
* wait for it's completion */
if (ret) {
schedule_delayed_work(dwork, 0);
flush_scheduled_work();
}
return ret;
}
/* power down chip */
static int wm8750_remove(struct platform_device *pdev)
{
......@@ -1254,12 +1029,13 @@ static int wm8750_remove(struct platform_device *pdev)
if (codec->control_data)
wm8750_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
flush_scheduled_work();
run_delayed_work(&codec->delayed_work);
snd_soc_free_pcms(socdev);
snd_soc_dapm_free(socdev);
#if defined (CONFIG_I2C) || defined (CONFIG_I2C_MODULE)
i2c_del_driver(&wm8750_i2c_driver);
#endif
kfree(codec->private_data);
kfree(codec);
return 0;
......
sound/soc/codecs/wm8750.h
View file @ 4422b606
......@@ -55,9 +55,10 @@
#define WM8750_CACHE_REGNUM 0x2a
#define WM8750_SYSCLK 0
struct wm8750_setup_data {
unsigned short i2c_address;
unsigned int mclk;
};
extern struct snd_soc_codec_dai wm8750_dai;
......
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