//
// Copyright 2020 The Linux Foundation. All rights reserved.
+#include <linux/delay.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/gpio.h>
struct rt1015p_priv {
struct gpio_desc *sdb;
+ bool calib_done;
};
static int rt1015p_sdb_event(struct snd_soc_dapm_widget *w,
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 SND_SOC_DAPM_POST_PMD:
gpiod_set_value_cansleep(rt1015p->sdb, 0);
{"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,