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yaml
---
r: 270890
b: refs/heads/master
c: 29c6a01
h: refs/heads/master
v: v3
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Axel Lin authored and Mark Brown committed Oct 17, 2011
1 parent f1e81c7 commit c752eba
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Showing 2 changed files with 43 additions and 68 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: de5035b1dda4993f432a796c1d1ddc7b8006b8fe
refs/heads/master: 29c6a01df8de1329303da09ca9793e9f65608216
109 changes: 42 additions & 67 deletions trunk/sound/soc/codecs/wm8900.c
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Original file line number Diff line number Diff line change
Expand Up @@ -742,26 +742,20 @@ static int wm8900_set_fll(struct snd_soc_codec *codec,
{
struct wm8900_priv *wm8900 = snd_soc_codec_get_drvdata(codec);
struct _fll_div fll_div;
unsigned int reg;

if (wm8900->fll_in == freq_in && wm8900->fll_out == freq_out)
return 0;

/* The digital side should be disabled during any change. */
reg = snd_soc_read(codec, WM8900_REG_POWER1);
snd_soc_write(codec, WM8900_REG_POWER1,
reg & (~WM8900_REG_POWER1_FLL_ENA));
snd_soc_update_bits(codec, WM8900_REG_POWER1,
WM8900_REG_POWER1_FLL_ENA, 0);

/* Disable the FLL? */
if (!freq_in || !freq_out) {
reg = snd_soc_read(codec, WM8900_REG_CLOCKING1);
snd_soc_write(codec, WM8900_REG_CLOCKING1,
reg & (~WM8900_REG_CLOCKING1_MCLK_SRC));

reg = snd_soc_read(codec, WM8900_REG_FLLCTL1);
snd_soc_write(codec, WM8900_REG_FLLCTL1,
reg & (~WM8900_REG_FLLCTL1_OSC_ENA));

snd_soc_update_bits(codec, WM8900_REG_CLOCKING1,
WM8900_REG_CLOCKING1_MCLK_SRC, 0);
snd_soc_update_bits(codec, WM8900_REG_FLLCTL1,
WM8900_REG_FLLCTL1_OSC_ENA, 0);
wm8900->fll_in = freq_in;
wm8900->fll_out = freq_out;

Expand Down Expand Up @@ -796,15 +790,14 @@ static int wm8900_set_fll(struct snd_soc_codec *codec,
else
snd_soc_write(codec, WM8900_REG_FLLCTL6, 0);

reg = snd_soc_read(codec, WM8900_REG_POWER1);
snd_soc_write(codec, WM8900_REG_POWER1,
reg | WM8900_REG_POWER1_FLL_ENA);
snd_soc_update_bits(codec, WM8900_REG_POWER1,
WM8900_REG_POWER1_FLL_ENA,
WM8900_REG_POWER1_FLL_ENA);

reenable:
reg = snd_soc_read(codec, WM8900_REG_CLOCKING1);
snd_soc_write(codec, WM8900_REG_CLOCKING1,
reg | WM8900_REG_CLOCKING1_MCLK_SRC);

snd_soc_update_bits(codec, WM8900_REG_CLOCKING1,
WM8900_REG_CLOCKING1_MCLK_SRC,
WM8900_REG_CLOCKING1_MCLK_SRC);
return 0;
}

Expand All @@ -818,43 +811,35 @@ static int wm8900_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
int div_id, int div)
{
struct snd_soc_codec *codec = codec_dai->codec;
unsigned int reg;

switch (div_id) {
case WM8900_BCLK_DIV:
reg = snd_soc_read(codec, WM8900_REG_CLOCKING1);
snd_soc_write(codec, WM8900_REG_CLOCKING1,
div | (reg & ~WM8900_REG_CLOCKING1_BCLK_MASK));
snd_soc_update_bits(codec, WM8900_REG_CLOCKING1,
WM8900_REG_CLOCKING1_BCLK_MASK, div);
break;
case WM8900_OPCLK_DIV:
reg = snd_soc_read(codec, WM8900_REG_CLOCKING1);
snd_soc_write(codec, WM8900_REG_CLOCKING1,
div | (reg & ~WM8900_REG_CLOCKING1_OPCLK_MASK));
snd_soc_update_bits(codec, WM8900_REG_CLOCKING1,
WM8900_REG_CLOCKING1_OPCLK_MASK, div);
break;
case WM8900_DAC_LRCLK:
reg = snd_soc_read(codec, WM8900_REG_AUDIO4);
snd_soc_write(codec, WM8900_REG_AUDIO4,
div | (reg & ~WM8900_LRC_MASK));
snd_soc_update_bits(codec, WM8900_REG_AUDIO4,
WM8900_LRC_MASK, div);
break;
case WM8900_ADC_LRCLK:
reg = snd_soc_read(codec, WM8900_REG_AUDIO3);
snd_soc_write(codec, WM8900_REG_AUDIO3,
div | (reg & ~WM8900_LRC_MASK));
snd_soc_update_bits(codec, WM8900_REG_AUDIO3,
WM8900_LRC_MASK, div);
break;
case WM8900_DAC_CLKDIV:
reg = snd_soc_read(codec, WM8900_REG_CLOCKING2);
snd_soc_write(codec, WM8900_REG_CLOCKING2,
div | (reg & ~WM8900_REG_CLOCKING2_DAC_CLKDIV));
snd_soc_update_bits(codec, WM8900_REG_CLOCKING2,
WM8900_REG_CLOCKING2_DAC_CLKDIV, div);
break;
case WM8900_ADC_CLKDIV:
reg = snd_soc_read(codec, WM8900_REG_CLOCKING2);
snd_soc_write(codec, WM8900_REG_CLOCKING2,
div | (reg & ~WM8900_REG_CLOCKING2_ADC_CLKDIV));
snd_soc_update_bits(codec, WM8900_REG_CLOCKING2,
WM8900_REG_CLOCKING2_ADC_CLKDIV, div);
break;
case WM8900_LRCLK_MODE:
reg = snd_soc_read(codec, WM8900_REG_DACCTRL);
snd_soc_write(codec, WM8900_REG_DACCTRL,
div | (reg & ~WM8900_REG_DACCTRL_AIF_LRCLKRATE));
snd_soc_update_bits(codec, WM8900_REG_DACCTRL,
WM8900_REG_DACCTRL_AIF_LRCLKRATE, div);
break;
default:
return -EINVAL;
Expand Down Expand Up @@ -1037,12 +1022,12 @@ static int wm8900_set_bias_level(struct snd_soc_codec *codec,
switch (level) {
case SND_SOC_BIAS_ON:
/* Enable thermal shutdown */
reg = snd_soc_read(codec, WM8900_REG_GPIO);
snd_soc_write(codec, WM8900_REG_GPIO,
reg | WM8900_REG_GPIO_TEMP_ENA);
reg = snd_soc_read(codec, WM8900_REG_ADDCTL);
snd_soc_write(codec, WM8900_REG_ADDCTL,
reg | WM8900_REG_ADDCTL_TEMP_SD);
snd_soc_update_bits(codec, WM8900_REG_GPIO,
WM8900_REG_GPIO_TEMP_ENA,
WM8900_REG_GPIO_TEMP_ENA);
snd_soc_update_bits(codec, WM8900_REG_ADDCTL,
WM8900_REG_ADDCTL_TEMP_SD,
WM8900_REG_ADDCTL_TEMP_SD);
break;

case SND_SOC_BIAS_PREPARE:
Expand Down Expand Up @@ -1205,26 +1190,16 @@ static int wm8900_probe(struct snd_soc_codec *codec)
wm8900_set_bias_level(codec, SND_SOC_BIAS_STANDBY);

/* Latch the volume update bits */
snd_soc_write(codec, WM8900_REG_LINVOL,
snd_soc_read(codec, WM8900_REG_LINVOL) | 0x100);
snd_soc_write(codec, WM8900_REG_RINVOL,
snd_soc_read(codec, WM8900_REG_RINVOL) | 0x100);
snd_soc_write(codec, WM8900_REG_LOUT1CTL,
snd_soc_read(codec, WM8900_REG_LOUT1CTL) | 0x100);
snd_soc_write(codec, WM8900_REG_ROUT1CTL,
snd_soc_read(codec, WM8900_REG_ROUT1CTL) | 0x100);
snd_soc_write(codec, WM8900_REG_LOUT2CTL,
snd_soc_read(codec, WM8900_REG_LOUT2CTL) | 0x100);
snd_soc_write(codec, WM8900_REG_ROUT2CTL,
snd_soc_read(codec, WM8900_REG_ROUT2CTL) | 0x100);
snd_soc_write(codec, WM8900_REG_LDAC_DV,
snd_soc_read(codec, WM8900_REG_LDAC_DV) | 0x100);
snd_soc_write(codec, WM8900_REG_RDAC_DV,
snd_soc_read(codec, WM8900_REG_RDAC_DV) | 0x100);
snd_soc_write(codec, WM8900_REG_LADC_DV,
snd_soc_read(codec, WM8900_REG_LADC_DV) | 0x100);
snd_soc_write(codec, WM8900_REG_RADC_DV,
snd_soc_read(codec, WM8900_REG_RADC_DV) | 0x100);
snd_soc_update_bits(codec, WM8900_REG_LINVOL, 0x100, 0x100);
snd_soc_update_bits(codec, WM8900_REG_RINVOL, 0x100, 0x100);
snd_soc_update_bits(codec, WM8900_REG_LOUT1CTL, 0x100, 0x100);
snd_soc_update_bits(codec, WM8900_REG_ROUT1CTL, 0x100, 0x100);
snd_soc_update_bits(codec, WM8900_REG_LOUT2CTL, 0x100, 0x100);
snd_soc_update_bits(codec, WM8900_REG_ROUT2CTL, 0x100, 0x100);
snd_soc_update_bits(codec, WM8900_REG_LDAC_DV, 0x100, 0x100);
snd_soc_update_bits(codec, WM8900_REG_RDAC_DV, 0x100, 0x100);
snd_soc_update_bits(codec, WM8900_REG_LADC_DV, 0x100, 0x100);
snd_soc_update_bits(codec, WM8900_REG_RADC_DV, 0x100, 0x100);

/* Set the DAC and mixer output bias */
snd_soc_write(codec, WM8900_REG_OUTBIASCTL, 0x81);
Expand Down

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