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path: root/sound/soc/codecs/rt1015p.c
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Diffstat (limited to 'sound/soc/codecs/rt1015p.c')
-rw-r--r--sound/soc/codecs/rt1015p.c69
1 files changed, 32 insertions, 37 deletions
diff --git a/sound/soc/codecs/rt1015p.c b/sound/soc/codecs/rt1015p.c
index 59bb60682270..671f2a2130fe 100644
--- a/sound/soc/codecs/rt1015p.c
+++ b/sound/soc/codecs/rt1015p.c
@@ -4,6 +4,7 @@
//
// Copyright 2020 The Linux Foundation. All rights reserved.
+#include <linux/delay.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/gpio.h>
@@ -19,60 +20,46 @@
struct rt1015p_priv {
struct gpio_desc *sdb;
- int sdb_switch;
+ bool calib_done;
};
-static int rt1015p_daiops_trigger(struct snd_pcm_substream *substream,
- int cmd, struct snd_soc_dai *dai)
+static int rt1015p_sdb_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
{
- struct snd_soc_component *component = dai->component;
+ struct snd_soc_component *component =
+ snd_soc_dapm_to_component(w->dapm);
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");
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ gpiod_set_value_cansleep(rt1015p->sdb, 1);
+ dev_dbg(component->dev, "set sdb to 1");
+
+ if (!rt1015p->calib_done) {
+ msleep(300);
+ rt1015p->calib_done = true;
}
break;
- case SNDRV_PCM_TRIGGER_STOP:
- case SNDRV_PCM_TRIGGER_SUSPEND:
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- gpiod_set_value(rt1015p->sdb, 0);
+ 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;
}
-static int rt1015p_sdb_event(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *kcontrol, int event)
-{
- struct snd_soc_component *component =
- snd_soc_dapm_to_component(w->dapm);
- 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;
-
- return 0;
-}
-
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[] = {
@@ -80,7 +67,20 @@ static const struct snd_soc_dapm_route rt1015p_dapm_routes[] = {
{"Speaker", NULL, "SDB"},
};
+#ifdef CONFIG_PM
+static int rt1015p_suspend(struct snd_soc_component *component)
+{
+ struct rt1015p_priv *rt1015p = snd_soc_component_get_drvdata(component);
+
+ rt1015p->calib_done = false;
+ return 0;
+}
+#else
+#define rt1015p_suspend NULL
+#endif
+
static const struct snd_soc_component_driver rt1015p_component_driver = {
+ .suspend = rt1015p_suspend,
.dapm_widgets = rt1015p_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(rt1015p_dapm_widgets),
.dapm_routes = rt1015p_dapm_routes,
@@ -91,10 +91,6 @@ 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 +100,6 @@ 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)