lkml.org 
[lkml]   [2018]   [Dec]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] ASoC: pcm3060: Add powersaving widgets for DAC and ADC
Date
Enable DAC/ADC only when playing/capturing

Signed-off-by: Kirill Marinushkin <kmarinushkin@birdec.tech>
---
sound/soc/codecs/pcm3060.c | 14 ++++++++++----
sound/soc/codecs/pcm3060.h | 2 ++
2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/sound/soc/codecs/pcm3060.c b/sound/soc/codecs/pcm3060.c
index 1dd851a7b43b..6714aa8d9026 100644
--- a/sound/soc/codecs/pcm3060.c
+++ b/sound/soc/codecs/pcm3060.c
@@ -198,19 +198,25 @@ static const struct snd_kcontrol_new pcm3060_dapm_controls[] = {
};

static const struct snd_soc_dapm_widget pcm3060_dapm_widgets[] = {
+ SND_SOC_DAPM_DAC("DAC", "Playback", PCM3060_REG64,
+ PCM3060_REG_SHIFT_DAPSV, 1),
+
SND_SOC_DAPM_OUTPUT("OUTL"),
SND_SOC_DAPM_OUTPUT("OUTR"),

SND_SOC_DAPM_INPUT("INL"),
SND_SOC_DAPM_INPUT("INR"),
+
+ SND_SOC_DAPM_ADC("ADC", "Capture", PCM3060_REG64,
+ PCM3060_REG_SHIFT_ADPSV, 1),
};

static const struct snd_soc_dapm_route pcm3060_dapm_map[] = {
- { "OUTL", NULL, "Playback" },
- { "OUTR", NULL, "Playback" },
+ { "OUTL", NULL, "DAC" },
+ { "OUTR", NULL, "DAC" },

- { "Capture", NULL, "INL" },
- { "Capture", NULL, "INR" },
+ { "ADC", NULL, "INL" },
+ { "ADC", NULL, "INR" },
};

/* soc component */
diff --git a/sound/soc/codecs/pcm3060.h b/sound/soc/codecs/pcm3060.h
index c895cf40ee10..6a027b4a845d 100644
--- a/sound/soc/codecs/pcm3060.h
+++ b/sound/soc/codecs/pcm3060.h
@@ -37,7 +37,9 @@ int pcm3060_remove(struct device *dev);
#define PCM3060_REG_MRST 0x80
#define PCM3060_REG_SRST 0x40
#define PCM3060_REG_ADPSV 0x20
+#define PCM3060_REG_SHIFT_ADPSV 0x05
#define PCM3060_REG_DAPSV 0x10
+#define PCM3060_REG_SHIFT_DAPSV 0x04
#define PCM3060_REG_SE 0x01

#define PCM3060_REG65 0x41
--
2.13.6
\
 
 \ /
  Last update: 2018-12-07 20:01    [W:0.059 / U:7.252 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site