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ASoC: SSM2602: Model power supply for the digital core as a DAPM widget

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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>
This commit is contained in:
Lars-Peter Clausen 2011-05-08 09:24:45 -07:00 • committed by Mark Brown
parent 7dcf2760bf
commit 2a43801a76
1 changed files with 6 additions and 19 deletions
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25
sound/soc/codecs/ssm2602.c
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@ -126,6 +126,8 @@ SND_SOC_DAPM_DAC("DAC", "HiFi Playback", SSM2602_PWR, 3, 1),
SND_SOC_DAPM_ADC("ADC", "HiFi Capture", SSM2602_PWR, 2, 1), 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_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("LOUT"),
SND_SOC_DAPM_OUTPUT("ROUT"), SND_SOC_DAPM_OUTPUT("ROUT"),
SND_SOC_DAPM_INPUT("RLINEIN"), SND_SOC_DAPM_INPUT("RLINEIN"),
@ -152,6 +154,9 @@ SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0,
}; };
static const struct snd_soc_dapm_route ssm260x_routes[] = { 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", "Line Bypass Switch", "Line Input"},
{"Output Mixer", "HiFi Playback Switch", "DAC"}, {"Output Mixer", "HiFi Playback Switch", "DAC"},
@ -252,7 +257,6 @@ static int ssm2602_hw_params(struct snd_pcm_substream *substream,
if (srate < 0) if (srate < 0)
return srate; return srate;
snd_soc_write(codec, SSM2602_ACTIVE, 0);
snd_soc_write(codec, SSM2602_SRATE, srate); snd_soc_write(codec, SSM2602_SRATE, srate);
/* bit size */ /* bit size */
@ -270,7 +274,6 @@ static int ssm2602_hw_params(struct snd_pcm_substream *substream,
break; break;
} }
snd_soc_write(codec, SSM2602_IFACE, iface); snd_soc_write(codec, SSM2602_IFACE, iface);
snd_soc_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC);
return 0; return 0;
} }
@ -312,17 +315,6 @@ static int ssm2602_startup(struct snd_pcm_substream *substream,
return 0; 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, static void ssm2602_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai) struct snd_soc_dai *dai)
{ {
@ -330,16 +322,13 @@ static void ssm2602_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_codec *codec = rtd->codec; struct snd_soc_codec *codec = rtd->codec;
struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(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) if (ssm2602->master_substream == substream)
ssm2602->master_substream = ssm2602->slave_substream; ssm2602->master_substream = ssm2602->slave_substream;
ssm2602->slave_substream = NULL; ssm2602->slave_substream = NULL;
} }
static int ssm2602_mute(struct snd_soc_dai *dai, int mute) static int ssm2602_mute(struct snd_soc_dai *dai, int mute)
{ {
struct snd_soc_codec *codec = dai->codec; struct snd_soc_codec *codec = dai->codec;
@ -446,7 +435,6 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
break; break;
case SND_SOC_BIAS_OFF: case SND_SOC_BIAS_OFF:
/* everything off, dac mute, inactive */ /* everything off, dac mute, inactive */
snd_soc_write(codec, SSM2602_ACTIVE, 0);
snd_soc_write(codec, SSM2602_PWR, 0xffff); snd_soc_write(codec, SSM2602_PWR, 0xffff);
break; break;
@ -464,7 +452,6 @@ static int ssm2602_set_bias_level(struct snd_soc_codec *codec,
static struct snd_soc_dai_ops ssm2602_dai_ops = { static struct snd_soc_dai_ops ssm2602_dai_ops = {
.startup = ssm2602_startup, .startup = ssm2602_startup,
.prepare = ssm2602_pcm_prepare,
.hw_params = ssm2602_hw_params, .hw_params = ssm2602_hw_params,
.shutdown = ssm2602_shutdown, .shutdown = ssm2602_shutdown,
.digital_mute = ssm2602_mute, .digital_mute = ssm2602_mute,