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ASoC: rt1015p: move SDB control from trigger to DAPM

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Moves SDB control from DAI ops trigger to DAPM.  As long as BCLK
and LRCLK are ready, SDB can be toggled earlier.

Changes from using gpiod_set_value() to gpiod_set_value_cansleep()
because it executes in non-atomic context.

Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20201211051224.2307349-2-tzungbi@google.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Tzung-Bi Shih 2020-12-11 13:12:23 +08:00 committed by Mark Brown
parent 3759d5edc0
commit 4ab9301710
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
1 changed files with 16 additions and 41 deletions
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57
sound/soc/codecs/rt1015p.c
View file

@ -19,39 +19,8 @@
struct rt1015p_priv {
struct gpio_desc *sdb;
int sdb_switch;
};
static int rt1015p_daiops_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
struct rt1015p_priv *rt1015p =
snd_soc_component_get_drvdata(component);
if (!rt1015p->sdb)
return 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
if (rt1015p->sdb_switch) {
gpiod_set_value(rt1015p->sdb, 1);
dev_dbg(component->dev, "set sdb to 1");
}
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
gpiod_set_value(rt1015p->sdb, 0);
dev_dbg(component->dev, "set sdb to 0");
break;
}
return 0;
}
static int rt1015p_sdb_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
@ -60,10 +29,21 @@ static int rt1015p_sdb_event(struct snd_soc_dapm_widget *w,
struct rt1015p_priv *rt1015p =
snd_soc_component_get_drvdata(component);
if (event & SND_SOC_DAPM_POST_PMU)
rt1015p->sdb_switch = 1;
else if (event & SND_SOC_DAPM_POST_PMD)
rt1015p->sdb_switch = 0;
if (!rt1015p->sdb)
return 0;
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
gpiod_set_value_cansleep(rt1015p->sdb, 1);
dev_dbg(component->dev, "set sdb to 1");
break;
case SND_SOC_DAPM_POST_PMD:
gpiod_set_value_cansleep(rt1015p->sdb, 0);
dev_dbg(component->dev, "set sdb to 0");
break;
default:
break;
}
return 0;
}
@ -72,7 +52,7 @@ static const struct snd_soc_dapm_widget rt1015p_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("Speaker"),
SND_SOC_DAPM_OUT_DRV_E("SDB", SND_SOC_NOPM, 0, 0, NULL, 0,
rt1015p_sdb_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
};
static const struct snd_soc_dapm_route rt1015p_dapm_routes[] = {
@ -91,10 +71,6 @@ static const struct snd_soc_component_driver rt1015p_component_driver = {
.non_legacy_dai_naming = 1,
};
static const struct snd_soc_dai_ops rt1015p_dai_ops = {
.trigger = rt1015p_daiops_trigger,
};
static struct snd_soc_dai_driver rt1015p_dai_driver = {
.name = "HiFi",
.playback = {
@ -104,7 +80,6 @@ static struct snd_soc_dai_driver rt1015p_dai_driver = {
.channels_min = 1,
.channels_max = 2,
},
.ops = &rt1015p_dai_ops,
};
static int rt1015p_platform_probe(struct platform_device *pdev)