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ASoC: wm8991: Use a supply to manage input power 

Instead of using a fake register and events to manage input power use a
supply to do the job, saving code and preparing for regmap conversion of
the driver.

Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2013-11-22 11:16:18 +00:00
parent 6ce4eac1f6
commit 6a07733686
2 changed files with 17 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
sound/soc/codecs/wm8991.c
View File

@ -374,30 +374,6 @@ static const struct snd_kcontrol_new wm8991_snd_controls[] = {
/* /*
* _DAPM_ Controls * _DAPM_ Controls
*/ */
static int inmixer_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
u16 reg, fakepower;
reg = snd_soc_read(w->codec, WM8991_POWER_MANAGEMENT_2);
fakepower = snd_soc_read(w->codec, WM8991_INTDRIVBITS);
if (fakepower & ((1 << WM8991_INMIXL_PWR_BIT) |
(1 << WM8991_AINLMUX_PWR_BIT)))
reg |= WM8991_AINL_ENA;
else
reg &= ~WM8991_AINL_ENA;
if (fakepower & ((1 << WM8991_INMIXR_PWR_BIT) |
(1 << WM8991_AINRMUX_PWR_BIT)))
reg |= WM8991_AINR_ENA;
else
reg &= ~WM8991_AINR_ENA;
snd_soc_write(w->codec, WM8991_POWER_MANAGEMENT_2, reg);
return 0;
}
static int outmixer_event(struct snd_soc_dapm_widget *w, static int outmixer_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event) struct snd_kcontrol *kcontrol, int event)
{ {
@ -655,6 +631,11 @@ static const struct snd_soc_dapm_widget wm8991_dapm_widgets[] = {
SND_SOC_DAPM_INPUT("RIN2"), SND_SOC_DAPM_INPUT("RIN2"),
SND_SOC_DAPM_INPUT("Internal ADC Source"), SND_SOC_DAPM_INPUT("Internal ADC Source"),
SND_SOC_DAPM_SUPPLY("INL", WM8991_POWER_MANAGEMENT_2,
WM8991_AINL_ENA_BIT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("INR", WM8991_POWER_MANAGEMENT_2,
WM8991_AINR_ENA_BIT, 0, NULL, 0),
/* DACs */ /* DACs */
SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8991_POWER_MANAGEMENT_2, SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8991_POWER_MANAGEMENT_2,
WM8991_ADCL_ENA_BIT, 0), WM8991_ADCL_ENA_BIT, 0),
@ -676,26 +657,22 @@ static const struct snd_soc_dapm_widget wm8991_dapm_widgets[] = {
ARRAY_SIZE(wm8991_dapm_rin34_pga_controls)), ARRAY_SIZE(wm8991_dapm_rin34_pga_controls)),
/* INMIXL */ /* INMIXL */
SND_SOC_DAPM_MIXER_E("INMIXL", WM8991_INTDRIVBITS, WM8991_INMIXL_PWR_BIT, 0, SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0,
&wm8991_dapm_inmixl_controls[0], &wm8991_dapm_inmixl_controls[0],
ARRAY_SIZE(wm8991_dapm_inmixl_controls), ARRAY_SIZE(wm8991_dapm_inmixl_controls)),
inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* AINLMUX */ /* AINLMUX */
SND_SOC_DAPM_MUX_E("AINLMUX", WM8991_INTDRIVBITS, WM8991_AINLMUX_PWR_BIT, 0, SND_SOC_DAPM_MUX("AINLMUX", SND_SOC_NOPM, 0, 0,
&wm8991_dapm_ainlmux_controls, inmixer_event, &wm8991_dapm_ainlmux_controls),
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* INMIXR */ /* INMIXR */
SND_SOC_DAPM_MIXER_E("INMIXR", WM8991_INTDRIVBITS, WM8991_INMIXR_PWR_BIT, 0, SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0,
&wm8991_dapm_inmixr_controls[0], &wm8991_dapm_inmixr_controls[0],
ARRAY_SIZE(wm8991_dapm_inmixr_controls), ARRAY_SIZE(wm8991_dapm_inmixr_controls)),
inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* AINRMUX */ /* AINRMUX */
SND_SOC_DAPM_MUX_E("AINRMUX", WM8991_INTDRIVBITS, WM8991_AINRMUX_PWR_BIT, 0, SND_SOC_DAPM_MUX("AINRMUX", SND_SOC_NOPM, 0, 0,
&wm8991_dapm_ainrmux_controls, inmixer_event, &wm8991_dapm_ainrmux_controls),
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
/* Output Side */ /* Output Side */
/* DACs */ /* DACs */
@ -797,6 +774,10 @@ static const struct snd_soc_dapm_route audio_map[] = {
{"Right ADC", NULL, "Internal ADC Source"}, {"Right ADC", NULL, "Internal ADC Source"},
/* Input Side */ /* Input Side */
{"INMIXL", NULL, "INL"},
{"AINLMUX", NULL, "INL"},
{"INMIXR", NULL, "INR"},
{"AINRMUX", NULL, "INR"},
/* LIN12 PGA */ /* LIN12 PGA */
{"LIN12 PGA", "LIN1 Switch", "LIN1"}, {"LIN12 PGA", "LIN1 Switch", "LIN1"},
{"LIN12 PGA", "LIN2 Switch", "LIN2"}, {"LIN12 PGA", "LIN2 Switch", "LIN2"},

9
sound/soc/codecs/wm8991.h
View File

@ -76,7 +76,6 @@
#define WM8991_PLL1 0x3C #define WM8991_PLL1 0x3C
#define WM8991_PLL2 0x3D #define WM8991_PLL2 0x3D
#define WM8991_PLL3 0x3E #define WM8991_PLL3 0x3E
#define WM8991_INTDRIVBITS 0x3F
#define WM8991_REGISTER_COUNT 60 #define WM8991_REGISTER_COUNT 60
#define WM8991_MAX_REGISTER 0x3F #define WM8991_MAX_REGISTER 0x3F
@ -807,14 +806,6 @@
*/ */
#define WM8991_PLLK2_MASK 0x00FF /* PLLK2 - [7:0] */ #define WM8991_PLLK2_MASK 0x00FF /* PLLK2 - [7:0] */
/*
* R63 (0x3F) - Internal Driver Bits
*/
#define WM8991_INMIXL_PWR_BIT 0
#define WM8991_AINLMUX_PWR_BIT 1
#define WM8991_INMIXR_PWR_BIT 2
#define WM8991_AINRMUX_PWR_BIT 3
#define WM8991_MCLK_DIV 0 #define WM8991_MCLK_DIV 0
#define WM8991_DACCLK_DIV 1 #define WM8991_DACCLK_DIV 1
#define WM8991_ADCCLK_DIV 2 #define WM8991_ADCCLK_DIV 2