ASoC: SSM2602: Model power supply for the digital core as a DAPM widget
Model the power supply for the digital core as a DAPM_SUPPLY widget. This allows
to cleanup the code a bit.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c
index d828721..763d392 100644
--- a/sound/soc/codecs/ssm2602.c
+++ b/sound/soc/codecs/ssm2602.c
@@ -126,6 +126,8 @@
SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1),
SND_SOC_DAPM_PGA("Line Input", SSM2602_PWR, 0, 1, NULL, 0),
+SND_SOC_DAPM_SUPPLY("Digital Core Power", SSM2602_ACTIVE, 0, 0, 0, 0),
+
SND_SOC_DAPM_OUTPUT("LOUT"),
SND_SOC_DAPM_OUTPUT("ROUT"),
SND_SOC_DAPM_INPUT("RLINEIN"),
@@ -152,6 +154,9 @@
};
static const struct snd_soc_dapm_route ssm260x_routes[] = {
+ {"DAC", NULL, "Digital Core Power"},
+ {"ADC", NULL, "Digital Core Power"},
+
{"Output Mixer", "Line Bypass Switch", "Line Input"},
{"Output Mixer", "HiFi Playback Switch", "DAC"},
@@ -252,7 +257,6 @@
if (srate < 0)
return srate;
- snd_soc_write(codec, SSM2602_ACTIVE, 0);
snd_soc_write(codec, SSM2602_SRATE, srate);
/* bit size */
@@ -270,7 +274,6 @@
break;
}
snd_soc_write(codec, SSM2602_IFACE, iface);
- snd_soc_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
return 0;
}
@@ -312,17 +315,6 @@
return 0;
}
-static int ssm2602_pcm_prepare(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
- /* set active */
- snd_soc_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
-
- return 0;
-}
-
static void ssm2602_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
@@ -330,16 +322,13 @@
struct snd_soc_codec *codec = rtd->codec;
struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec);
- /* deactivate */
- if (!codec->active)
- snd_soc_write(codec, SSM2602_ACTIVE, 0);
-
if (ssm2602->master_substream == substream)
ssm2602->master_substream = ssm2602->slave_substream;
ssm2602->slave_substream = NULL;
}
+
static int ssm2602_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_codec *codec = dai->codec;
@@ -446,7 +435,6 @@
break;
case SND_SOC_BIAS_OFF:
/* everything off, dac mute, inactive */
- snd_soc_write(codec, SSM2602_ACTIVE, 0);
snd_soc_write(codec, SSM2602_PWR, 0xffff);
break;
@@ -464,7 +452,6 @@
static struct snd_soc_dai_ops ssm2602_dai_ops = {
.startup = ssm2602_startup,
- .prepare = ssm2602_pcm_prepare,
.hw_params = ssm2602_hw_params,
.shutdown = ssm2602_shutdown,
.digital_mute = ssm2602_mute,