V4L/DVB (6453): wm8739: convert to bus-based I2C API
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/wm8739.c b/drivers/media/video/wm8739.c
index 1bf4cbe..459228a 100644
--- a/drivers/media/video/wm8739.c
+++ b/drivers/media/video/wm8739.c
@@ -30,6 +30,7 @@
#include <linux/videodev.h>
#include <media/v4l2-common.h>
#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv-legacy.h>
MODULE_DESCRIPTION("wm8739 driver");
MODULE_AUTHOR("T. Adachi, Hans Verkuil");
@@ -259,27 +260,11 @@
/* i2c implementation */
-static struct i2c_driver i2c_driver;
-
-static int wm8739_attach(struct i2c_adapter *adapter, int address, int kind)
+static int wm8739_probe(struct i2c_client *client)
{
- struct i2c_client *client;
struct wm8739_state *state;
- /* Check if the adapter supports the needed features */
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- return 0;
-
- client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (client == NULL)
- return -ENOMEM;
-
- client->addr = address;
- client->adapter = adapter;
- client->driver = &i2c_driver;
- snprintf(client->name, sizeof(client->name) - 1, "wm8739");
-
- v4l_info(client, "chip found @ 0x%x (%s)\n", address << 1, adapter->name);
+ v4l_info(client, "chip found @ 0x%x (%s)\n", client->addr << 1, client->adapter->name);
state = kmalloc(sizeof(struct wm8739_state), GFP_KERNEL);
if (state == NULL) {
@@ -306,56 +291,20 @@
/* normal, 256fs, 48KHz sampling rate */
wm8739_write(client, R9, 0x001); /* activate */
wm8739_set_audio(client); /* set volume/mute */
-
- i2c_attach_client(client);
-
return 0;
}
-static int wm8739_probe(struct i2c_adapter *adapter)
+static int wm8739_remove(struct i2c_client *client)
{
- if (adapter->class & I2C_CLASS_TV_ANALOG)
- return i2c_probe(adapter, &addr_data, wm8739_attach);
+ kfree(i2c_get_clientdata(client));
return 0;
}
-static int wm8739_detach(struct i2c_client *client)
-{
- struct wm8739_state *state = i2c_get_clientdata(client);
- int err;
-
- err = i2c_detach_client(client);
- if (err)
- return err;
-
- kfree(state);
- kfree(client);
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-/* i2c implementation */
-static struct i2c_driver i2c_driver = {
- .driver = {
- .name = "wm8739",
- },
- .id = I2C_DRIVERID_WM8739,
- .attach_adapter = wm8739_probe,
- .detach_client = wm8739_detach,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+ .name = "wm8739",
+ .driverid = I2C_DRIVERID_WM8739,
.command = wm8739_command,
+ .probe = wm8739_probe,
+ .remove = wm8739_remove,
};
-
-static int __init wm8739_init_module(void)
-{
- return i2c_add_driver(&i2c_driver);
-}
-
-static void __exit wm8739_cleanup_module(void)
-{
- i2c_del_driver(&i2c_driver);
-}
-
-module_init(wm8739_init_module);
-module_exit(wm8739_cleanup_module);