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path: root/drivers/staging/go7007/wis-tw2804.c
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-rw-r--r--drivers/staging/go7007/wis-tw2804.c57
1 files changed, 18 insertions, 39 deletions
diff --git a/drivers/staging/go7007/wis-tw2804.c b/drivers/staging/go7007/wis-tw2804.c
index 57b8f2b1caa3..e15794a2a0ae 100644
--- a/drivers/staging/go7007/wis-tw2804.c
+++ b/drivers/staging/go7007/wis-tw2804.c
@@ -291,34 +291,19 @@ static int wis_tw2804_command(struct i2c_client *client,
return 0;
}
-static struct i2c_driver wis_tw2804_driver;
-
-static struct i2c_client wis_tw2804_client_templ = {
- .name = "TW2804 (WIS)",
- .driver = &wis_tw2804_driver,
-};
-
-static int wis_tw2804_detect(struct i2c_adapter *adapter, int addr, int kind)
+static int wis_tw2804_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
- struct i2c_client *client;
+ struct i2c_adapter *adapter = client->adapter;
struct wis_tw2804 *dec;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
- return 0;
-
- client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (client == NULL)
- return -ENOMEM;
- memcpy(client, &wis_tw2804_client_templ,
- sizeof(wis_tw2804_client_templ));
- client->adapter = adapter;
- client->addr = addr;
+ return -ENODEV;
dec = kmalloc(sizeof(struct wis_tw2804), GFP_KERNEL);
- if (dec == NULL) {
- kfree(client);
+ if (dec == NULL)
return -ENOMEM;
- }
+
dec->channel = -1;
dec->norm = V4L2_STD_NTSC;
dec->brightness = 128;
@@ -328,48 +313,42 @@ static int wis_tw2804_detect(struct i2c_adapter *adapter, int addr, int kind)
i2c_set_clientdata(client, dec);
printk(KERN_DEBUG "wis-tw2804: creating TW2804 at address %d on %s\n",
- addr, adapter->name);
+ client->addr, adapter->name);
- i2c_attach_client(client);
return 0;
}
-static int wis_tw2804_detach(struct i2c_client *client)
+static int wis_tw2804_remove(struct i2c_client *client)
{
struct wis_tw2804 *dec = i2c_get_clientdata(client);
- int r;
-
- r = i2c_detach_client(client);
- if (r < 0)
- return r;
- kfree(client);
+ i2c_set_clientdata(client, NULL);
kfree(dec);
return 0;
}
+static struct i2c_device_id wis_tw2804_id[] = {
+ { "wis_tw2804", 0 },
+ { }
+};
+
static struct i2c_driver wis_tw2804_driver = {
.driver = {
.name = "WIS TW2804 I2C driver",
},
- .id = I2C_DRIVERID_WIS_TW2804,
- .detach_client = wis_tw2804_detach,
+ .probe = wis_tw2804_probe,
+ .remove = wis_tw2804_remove,
.command = wis_tw2804_command,
+ .id_table = wis_tw2804_id,
};
static int __init wis_tw2804_init(void)
{
- int r;
-
- r = i2c_add_driver(&wis_tw2804_driver);
- if (r < 0)
- return r;
- return wis_i2c_add_driver(wis_tw2804_driver.id, wis_tw2804_detect);
+ return i2c_add_driver(&wis_tw2804_driver);
}
static void __exit wis_tw2804_cleanup(void)
{
- wis_i2c_del_driver(wis_tw2804_detect);
i2c_del_driver(&wis_tw2804_driver);
}