#include <linux/bug.h>
#include <linux/i2c.h>
#include <linux/kernel.h>
+#include <linux/mfd/core.h>
#include <linux/mfd/wm8400-private.h>
#include <linux/mfd/wm8400-audio.h>
}
EXPORT_SYMBOL_GPL(wm8400_reset_codec_reg_cache);
+static int wm8400_register_codec(struct wm8400 *wm8400)
+{
+ struct mfd_cell cell = {
+ .name = "wm8400-codec",
+ .driver_data = wm8400,
+ };
+
+ return mfd_add_devices(wm8400->dev, -1, &cell, 1, NULL, 0);
+}
+
/*
* wm8400_init - Generic initialisation
*
mutex_init(&wm8400->io_lock);
- wm8400->dev->driver_data = wm8400;
+ dev_set_drvdata(wm8400->dev, wm8400);
/* Check that this is actually a WM8400 */
ret = wm8400->read_dev(wm8400->io_data, WM8400_RESET_ID, 1, ®);
reg = (reg & WM8400_CHIP_REV_MASK) >> WM8400_CHIP_REV_SHIFT;
dev_info(wm8400->dev, "WM8400 revision %x\n", reg);
+ ret = wm8400_register_codec(wm8400);
+ if (ret != 0) {
+ dev_err(wm8400->dev, "Failed to register codec\n");
+ goto err_children;
+ }
+
if (pdata && pdata->platform_init) {
ret = pdata->platform_init(wm8400->dev);
- if (ret != 0)
+ if (ret != 0) {
dev_err(wm8400->dev, "Platform init failed: %d\n",
ret);
+ goto err_children;
+ }
} else
dev_warn(wm8400->dev, "No platform initialisation supplied\n");
+ return 0;
+
+err_children:
+ mfd_remove_devices(wm8400->dev);
return ret;
}
static void wm8400_release(struct wm8400 *wm8400)
{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(wm8400->regulators); i++)
- if (wm8400->regulators[i].name)
- platform_device_unregister(&wm8400->regulators[i]);
+ mfd_remove_devices(wm8400->dev);
}
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
return ret;
}
-module_init(wm8400_module_init);
+subsys_initcall(wm8400_module_init);
static void __exit wm8400_module_exit(void)
{