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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /sound/soc/codecs/wm8804-i2c.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/codecs/wm8804-i2c.c')
-rw-r--r--sound/soc/codecs/wm8804-i2c.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8804-i2c.c b/sound/soc/codecs/wm8804-i2c.c
new file mode 100644
index 000000000..3ce1a39d7
--- /dev/null
+++ b/sound/soc/codecs/wm8804-i2c.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * wm8804-i2c.c -- WM8804 S/PDIF transceiver driver - I2C
+ *
+ * Copyright 2015 Cirrus Logic Inc
+ *
+ * Author: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/acpi.h>
+
+#include "wm8804.h"
+
+static int wm8804_i2c_probe(struct i2c_client *i2c)
+{
+ struct regmap *regmap;
+
+ regmap = devm_regmap_init_i2c(i2c, &wm8804_regmap_config);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ return wm8804_probe(&i2c->dev, regmap);
+}
+
+static void wm8804_i2c_remove(struct i2c_client *i2c)
+{
+ wm8804_remove(&i2c->dev);
+}
+
+static const struct i2c_device_id wm8804_i2c_id[] = {
+ { "wm8804", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id);
+
+#if defined(CONFIG_OF)
+static const struct of_device_id wm8804_of_match[] = {
+ { .compatible = "wlf,wm8804", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, wm8804_of_match);
+#endif
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id wm8804_acpi_match[] = {
+ { "1AEC8804", 0 }, /* Wolfson PCI ID + part ID */
+ { "10138804", 0 }, /* Cirrus Logic PCI ID + part ID */
+ { },
+};
+MODULE_DEVICE_TABLE(acpi, wm8804_acpi_match);
+#endif
+
+static struct i2c_driver wm8804_i2c_driver = {
+ .driver = {
+ .name = "wm8804",
+ .pm = &wm8804_pm,
+ .of_match_table = of_match_ptr(wm8804_of_match),
+ .acpi_match_table = ACPI_PTR(wm8804_acpi_match),
+ },
+ .probe_new = wm8804_i2c_probe,
+ .remove = wm8804_i2c_remove,
+ .id_table = wm8804_i2c_id
+};
+
+module_i2c_driver(wm8804_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC WM8804 driver - I2C");
+MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.wolfsonmicro.com>");
+MODULE_LICENSE("GPL");