diff options
Diffstat (limited to 'sound/soc/codecs/rt1015p.c')
| -rw-r--r-- | sound/soc/codecs/rt1015p.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt1015p.c b/sound/soc/codecs/rt1015p.c index ee9dfa2dbbf0..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> @@ -19,6 +20,7 @@ struct rt1015p_priv { struct gpio_desc *sdb; + bool calib_done; }; static int rt1015p_sdb_event(struct snd_soc_dapm_widget *w, @@ -36,6 +38,11 @@ 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); @@ -60,7 +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, |