shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-09 12:17:12 +09:00
Code Issues Packages Projects Releases Wiki Activity

wm8994 codec correct i2c error

Browse Source
This commit is contained in:
root
2010-08-05 01:26:54 -07:00
parent f224f84325
commit d00e5f74ae
1 changed files with 2 additions and 141 deletions
Download Patch File Download Diff File Expand all files Collapse all files

143
sound/soc/codecs/wm8994.c
View File

@@ -1862,16 +1862,7 @@ SOC_DOUBLE_SWITCH_WM8994CODEC("Capture Switch", MIC_CAPTURE),
static int wm8994_lrc_control(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
struct snd_soc_codec *codec = w->codec;
u16 adctl2 = snd_soc_read(codec, WM8994_ADCTL2);
/* Use the DAC to gate LRC if active, otherwise use ADC */
if (snd_soc_read(codec, WM8994_PWR2) & 0x180)
adctl2 &= ~0x4;
else
adctl2 |= 0x4;
return snd_soc_write(codec, WM8994_ADCTL2, adctl2);
return 0;
}
static const char *wm8994_line_texts[] = {
@@ -2208,58 +2199,6 @@ static int wm8994_set_dai_sysclk(struct snd_soc_dai *codec_dai,
static int wm8994_set_dai_fmt(struct snd_soc_dai *codec_dai,
unsigned int fmt)
{
struct snd_soc_codec *codec = codec_dai->codec;
u16 iface = 0;
/* set master/slave audio interface */
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 (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
iface |= 0x0002;
break;
case SND_SOC_DAIFMT_RIGHT_J:
break;
case SND_SOC_DAIFMT_LEFT_J:
iface |= 0x0001;
break;
case SND_SOC_DAIFMT_DSP_A:
iface |= 0x0003;
break;
case SND_SOC_DAIFMT_DSP_B:
iface |= 0x0013;
break;
default:
return -EINVAL;
}
/* clock inversion */
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_NF:
break;
case SND_SOC_DAIFMT_IB_IF:
iface |= 0x0090;
break;
case SND_SOC_DAIFMT_IB_NF:
iface |= 0x0080;
break;
case SND_SOC_DAIFMT_NB_IF:
iface |= 0x0010;
break;
default:
return -EINVAL;
}
snd_soc_write(codec, WM8994_IFACE, iface);
return 0;
}
@@ -2294,14 +2233,11 @@ static int wm8994_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_codec *codec = socdev->card->codec;
struct wm8994_priv *wm8994 = codec->private_data;
u16 iface = snd_soc_read(codec, WM8994_IFACE) & 0x1f3;
u16 srate = snd_soc_read(codec, WM8994_SRATE) & 0x180;
int coeff;
coeff = get_coeff(wm8994->sysclk, params_rate(params));
if (coeff < 0) {
coeff = get_coeff(wm8994->sysclk / 2, params_rate(params));
srate |= 0x40;
}
if (coeff < 0) {
dev_err(codec->dev,
@@ -2309,29 +2245,7 @@ static int wm8994_pcm_hw_params(struct snd_pcm_substream *substream,
params_rate(params), wm8994->sysclk);
return coeff;
}
/* bit size */
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
break;
case SNDRV_PCM_FORMAT_S20_3LE:
iface |= 0x0004;
break;
case SNDRV_PCM_FORMAT_S24_LE:
iface |= 0x0008;
break;
case SNDRV_PCM_FORMAT_S32_LE:
iface |= 0x000c;
break;
}
DBG("%s::%d-- iface=%x srate =%x rate=%d\n",__FUNCTION__,__LINE__,iface,srate,params_rate(params));
/* set iface & srate */
snd_soc_write(codec, WM8994_IFACE, iface);
if (coeff >= 0)
snd_soc_write(codec, WM8994_SRATE, srate |
(coeff_div[coeff].sr << 1) | coeff_div[coeff].usb);
params_format(params);
return 0;
}
@@ -2344,34 +2258,7 @@ static int wm8994_mute(struct snd_soc_dai *dai, int mute)
static int wm8994_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
u16 pwr_reg = snd_soc_read(codec, WM8994_PWR1) & ~0x1c1;
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
/* VREF, VMID=2x50k, digital enabled */
snd_soc_write(codec, WM8994_PWR1, pwr_reg | 0x00c0);
break;
case SND_SOC_BIAS_STANDBY:
if (codec->bias_level == SND_SOC_BIAS_OFF) {
/* VREF, VMID=2x5k */
snd_soc_write(codec, WM8994_PWR1, pwr_reg | 0x1c1);
/* Charge caps */
msleep(100);
}
/* VREF, VMID=2*500k, digital stopped */
snd_soc_write(codec, WM8994_PWR1, pwr_reg | 0x0141);
break;
case SND_SOC_BIAS_OFF:
snd_soc_write(codec, WM8994_PWR1, 0x0000);
break;
}
codec->bias_level = level;
return 0;
}
@@ -2568,32 +2455,6 @@ static int wm8994_register(struct wm8994_priv *wm8994,
rk2818_mux_api_set(GPIOE_SPI1_FLASH_SEL_NAME, IOMUXA_GPIO1_A3B7);
gpio_direction_output(RK2818_PIN_PF7,GPIO_HIGH);
/* set the update bits (we always update left then right) */
reg = snd_soc_read(codec, WM8994_RADC);
snd_soc_write(codec, WM8994_RADC, reg | 0x100);
reg = snd_soc_read(codec, WM8994_RDAC);
snd_soc_write(codec, WM8994_RDAC, reg | 0x0100);
reg = snd_soc_read(codec, WM8994_ROUT1V);
snd_soc_write(codec, WM8994_ROUT1V, reg | 0x0100);
reg = snd_soc_read(codec, WM8994_ROUT2V);
snd_soc_write(codec, WM8994_ROUT2V, reg | 0x0100);
reg = snd_soc_read(codec, WM8994_RINVOL);
snd_soc_write(codec, WM8994_RINVOL, reg | 0x0100);
snd_soc_write(codec, WM8994_LOUTM1, 0x120);
snd_soc_write(codec, WM8994_ROUTM2, 0x120);
snd_soc_write(codec, WM8994_LOUTM2, 0x0070);
snd_soc_write(codec, WM8994_ROUTM1, 0x0070);
snd_soc_write(codec, WM8994_LOUT1V, 0x017f);
snd_soc_write(codec, WM8994_ROUT1V, 0x017f);
snd_soc_write(codec, WM8994_LDAC, 0xff);
snd_soc_write(codec, WM8994_RDAC, 0x1ff);//vol set
snd_soc_write(codec, WM8994_SRATE,0x100); ///SET MCLK/8
snd_soc_write(codec, WM8994_PWR1, 0x1cc); ///(0x80|0x40|0x20|0x08|0x04|0x10|0x02));
snd_soc_write(codec, WM8994_PWR2, 0x1e0); //power r l out1
wm8994_set_bias_level(&wm8994->codec, SND_SOC_BIAS_STANDBY);