Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / soc / codecs / wm8804-i2c.c

diff --git a/kernel/sound/soc/codecs/wm8804-i2c.c b/kernel/sound/soc/codecs/wm8804-i2c.c
new file mode 100644 (file)
index 0000000..6596f5f
--- /dev/null
+++ b/kernel/sound/soc/codecs/wm8804-i2c.c
@@ -0,0 +1,65 @@
+/*
+ * wm8804-i2c.c  --  WM8804 S/PDIF transceiver driver - I2C
+ *
+ * Copyright 2015 Cirrus Logic Inc
+ *
+ * Author: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+
+#include "wm8804.h"
+
+static int wm8804_i2c_probe(struct i2c_client *i2c,
+                           const struct i2c_device_id *id)
+{
+       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 int wm8804_i2c_remove(struct i2c_client *i2c)
+{
+       wm8804_remove(&i2c->dev);
+       return 0;
+}
+
+static const struct i2c_device_id wm8804_i2c_id[] = {
+       { "wm8804", 0 },
+       { }
+};
+MODULE_DEVICE_TABLE(i2c, wm8804_i2c_id);
+
+static const struct of_device_id wm8804_of_match[] = {
+       { .compatible = "wlf,wm8804", },
+       { }
+};
+MODULE_DEVICE_TABLE(of, wm8804_of_match);
+
+static struct i2c_driver wm8804_i2c_driver = {
+       .driver = {
+               .name = "wm8804",
+               .owner = THIS_MODULE,
+               .pm = &wm8804_pm,
+               .of_match_table = wm8804_of_match,
+       },
+       .probe = 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");