From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/sound/soc/codecs/adau7002.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 46 insertions(+), 2 deletions(-)
diff --git a/kernel/sound/soc/codecs/adau7002.c b/kernel/sound/soc/codecs/adau7002.c
index fdff868..0e00de6 100644
--- a/kernel/sound/soc/codecs/adau7002.c
+++ b/kernel/sound/soc/codecs/adau7002.c
@@ -1,13 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ADAU7002 Stereo PDM-to-I2S/TDM converter driver
*
* Copyright 2014-2016 Analog Devices
* Author: Lars-Peter Clausen <lars@metafoo.de>
- *
- * Licensed under the GPL-2.
*/
#include <linux/acpi.h>
+#include <linux/delay.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/of.h>
@@ -15,12 +15,55 @@
#include <sound/soc.h>
+struct adau7002_priv {
+ int wakeup_delay;
+};
+
+static int adau7002_aif_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 adau7002_priv *adau7002 =
+ snd_soc_component_get_drvdata(component);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ if (adau7002->wakeup_delay)
+ msleep(adau7002->wakeup_delay);
+ break;
+ }
+
+ return 0;
+}
+
+static int adau7002_component_probe(struct snd_soc_component *component)
+{
+ struct adau7002_priv *adau7002;
+
+ adau7002 = devm_kzalloc(component->dev, sizeof(*adau7002),
+ GFP_KERNEL);
+ if (!adau7002)
+ return -ENOMEM;
+
+ device_property_read_u32(component->dev, "wakeup-delay-ms",
+ &adau7002->wakeup_delay);
+
+ snd_soc_component_set_drvdata(component, adau7002);
+
+ return 0;
+}
+
static const struct snd_soc_dapm_widget adau7002_widgets[] = {
+ SND_SOC_DAPM_AIF_OUT_E("ADAU AIF", "Capture", 0,
+ SND_SOC_NOPM, 0, 0, adau7002_aif_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_INPUT("PDM_DAT"),
SND_SOC_DAPM_REGULATOR_SUPPLY("IOVDD", 0, 0),
};
static const struct snd_soc_dapm_route adau7002_routes[] = {
+ { "ADAU AIF", NULL, "PDM_DAT"},
{ "Capture", NULL, "PDM_DAT" },
{ "Capture", NULL, "IOVDD" },
};
@@ -40,6 +83,7 @@
};
static const struct snd_soc_component_driver adau7002_component_driver = {
+ .probe = adau7002_component_probe,
.dapm_widgets = adau7002_widgets,
.num_dapm_widgets = ARRAY_SIZE(adau7002_widgets),
.dapm_routes = adau7002_routes,
--
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