[alsa-devel] [PATCH] ASoC: wm8991: Use a supply to manage input power
From: Mark Brown broonie@linaro.org
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 --- sound/soc/codecs/wm8991.c | 53 +++++++++++++++-------------------------------- sound/soc/codecs/wm8991.h | 9 -------- 2 files changed, 17 insertions(+), 45 deletions(-)
diff --git a/sound/soc/codecs/wm8991.c b/sound/soc/codecs/wm8991.c index 3a39df7a3829..5078fc8e10f7 100644 --- a/sound/soc/codecs/wm8991.c +++ b/sound/soc/codecs/wm8991.c @@ -374,30 +374,6 @@ static const struct snd_kcontrol_new wm8991_snd_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, 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("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 */ SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8991_POWER_MANAGEMENT_2, 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)),
/* 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], - ARRAY_SIZE(wm8991_dapm_inmixl_controls), - inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + ARRAY_SIZE(wm8991_dapm_inmixl_controls)),
/* AINLMUX */ - SND_SOC_DAPM_MUX_E("AINLMUX", WM8991_INTDRIVBITS, WM8991_AINLMUX_PWR_BIT, 0, - &wm8991_dapm_ainlmux_controls, inmixer_event, - SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_MUX("AINLMUX", SND_SOC_NOPM, 0, 0, + &wm8991_dapm_ainlmux_controls),
/* 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], - ARRAY_SIZE(wm8991_dapm_inmixr_controls), - inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + ARRAY_SIZE(wm8991_dapm_inmixr_controls)),
/* AINRMUX */ - SND_SOC_DAPM_MUX_E("AINRMUX", WM8991_INTDRIVBITS, WM8991_AINRMUX_PWR_BIT, 0, - &wm8991_dapm_ainrmux_controls, inmixer_event, - SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), + SND_SOC_DAPM_MUX("AINRMUX", SND_SOC_NOPM, 0, 0, + &wm8991_dapm_ainrmux_controls),
/* Output Side */ /* DACs */ @@ -797,6 +774,10 @@ static const struct snd_soc_dapm_route audio_map[] = { {"Right ADC", NULL, "Internal ADC Source"},
/* Input Side */ + {"INMIXL", NULL, "INL"}, + {"AINLMUX", NULL, "INL"}, + {"INMIXR", NULL, "INR"}, + {"AINRMUX", NULL, "INR"}, /* LIN12 PGA */ {"LIN12 PGA", "LIN1 Switch", "LIN1"}, {"LIN12 PGA", "LIN2 Switch", "LIN2"}, diff --git a/sound/soc/codecs/wm8991.h b/sound/soc/codecs/wm8991.h index 07707d8d7e20..08ed383303c0 100644 --- a/sound/soc/codecs/wm8991.h +++ b/sound/soc/codecs/wm8991.h @@ -76,7 +76,6 @@ #define WM8991_PLL1 0x3C #define WM8991_PLL2 0x3D #define WM8991_PLL3 0x3E -#define WM8991_INTDRIVBITS 0x3F
#define WM8991_REGISTER_COUNT 60 #define WM8991_MAX_REGISTER 0x3F @@ -807,14 +806,6 @@ */ #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_DACCLK_DIV 1 #define WM8991_ADCCLK_DIV 2
On Fri, Nov 22, 2013 at 11:17:03AM +0000, Mark Brown wrote:
From: Mark Brown broonie@linaro.org
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
participants (2)
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Charles Keepax
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Mark Brown