From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/sound/soc/codecs/wm8782.c | 71 ++++++++++++++++++++++++++++++++---
1 files changed, 65 insertions(+), 6 deletions(-)
diff --git a/kernel/sound/soc/codecs/wm8782.c b/kernel/sound/soc/codecs/wm8782.c
index 317db9a..f89855c 100644
--- a/kernel/sound/soc/codecs/wm8782.c
+++ b/kernel/sound/soc/codecs/wm8782.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* sound/soc/codecs/wm8782.c
* simple, strap-pin configured 24bit 2ch ADC
@@ -6,13 +7,8 @@
* Author: Johannes Stezenbach <js@sig21.net>
*
* based on ad73311.c
- * Copyright: Analog Device Inc.
+ * Copyright: Analog Devices Inc.
* Author: Cliff Cai <cliff.cai@analog.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
*/
#include <linux/init.h>
@@ -20,6 +16,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
+#include <linux/regulator/consumer.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
@@ -50,7 +47,51 @@
},
};
+/* regulator power supply names */
+static const char *supply_names[] = {
+ "Vdda", /* analog supply, 2.7V - 3.6V */
+ "Vdd", /* digital supply, 2.7V - 5.5V */
+};
+
+struct wm8782_priv {
+ struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
+};
+
+static int wm8782_soc_probe(struct snd_soc_component *component)
+{
+ struct wm8782_priv *priv = snd_soc_component_get_drvdata(component);
+ return regulator_bulk_enable(ARRAY_SIZE(priv->supplies), priv->supplies);
+}
+
+static void wm8782_soc_remove(struct snd_soc_component *component)
+{
+ struct wm8782_priv *priv = snd_soc_component_get_drvdata(component);
+ regulator_bulk_disable(ARRAY_SIZE(priv->supplies), priv->supplies);
+}
+
+#ifdef CONFIG_PM
+static int wm8782_soc_suspend(struct snd_soc_component *component)
+{
+ struct wm8782_priv *priv = snd_soc_component_get_drvdata(component);
+ regulator_bulk_disable(ARRAY_SIZE(priv->supplies), priv->supplies);
+ return 0;
+}
+
+static int wm8782_soc_resume(struct snd_soc_component *component)
+{
+ struct wm8782_priv *priv = snd_soc_component_get_drvdata(component);
+ return regulator_bulk_enable(ARRAY_SIZE(priv->supplies), priv->supplies);
+}
+#else
+#define wm8782_soc_suspend NULL
+#define wm8782_soc_resume NULL
+#endif /* CONFIG_PM */
+
static const struct snd_soc_component_driver soc_component_dev_wm8782 = {
+ .probe = wm8782_soc_probe,
+ .remove = wm8782_soc_remove,
+ .suspend = wm8782_soc_suspend,
+ .resume = wm8782_soc_resume,
.dapm_widgets = wm8782_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(wm8782_dapm_widgets),
.dapm_routes = wm8782_dapm_routes,
@@ -63,6 +104,24 @@
static int wm8782_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
+ struct wm8782_priv *priv;
+ int ret, i;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ dev_set_drvdata(dev, priv);
+
+ for (i = 0; i < ARRAY_SIZE(supply_names); i++)
+ priv->supplies[i].supply = supply_names[i];
+
+ ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(priv->supplies),
+ priv->supplies);
+ if (ret < 0)
+ return ret;
+
return devm_snd_soc_register_component(&pdev->dev,
&soc_component_dev_wm8782, &wm8782_dai, 1);
}
--
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