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path: root/drivers/staging/go7007/wis-saa7115.c
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Diffstat (limited to 'drivers/staging/go7007/wis-saa7115.c')
-rw-r--r--drivers/staging/go7007/wis-saa7115.c60
1 files changed, 19 insertions, 41 deletions
diff --git a/drivers/staging/go7007/wis-saa7115.c b/drivers/staging/go7007/wis-saa7115.c
index 59417a7174d7..8687ad2de761 100644
--- a/drivers/staging/go7007/wis-saa7115.c
+++ b/drivers/staging/go7007/wis-saa7115.c
@@ -394,34 +394,19 @@ static int wis_saa7115_command(struct i2c_client *client,
return 0;
}
-static struct i2c_driver wis_saa7115_driver;
-
-static struct i2c_client wis_saa7115_client_templ = {
- .name = "SAA7115 (WIS)",
- .driver = &wis_saa7115_driver,
-};
-
-static int wis_saa7115_detect(struct i2c_adapter *adapter, int addr, int kind)
+static int wis_saa7115_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
- struct i2c_client *client;
+ struct i2c_adapter *adapter = client->adapter;
struct wis_saa7115 *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_saa7115_client_templ,
- sizeof(wis_saa7115_client_templ));
- client->adapter = adapter;
- client->addr = addr;
+ return -ENODEV;
dec = kmalloc(sizeof(struct wis_saa7115), GFP_KERNEL);
- if (dec == NULL) {
- kfree(client);
+ if (dec == NULL)
return -ENOMEM;
- }
+
dec->norm = V4L2_STD_NTSC;
dec->brightness = 128;
dec->contrast = 64;
@@ -431,56 +416,49 @@ static int wis_saa7115_detect(struct i2c_adapter *adapter, int addr, int kind)
printk(KERN_DEBUG
"wis-saa7115: initializing SAA7115 at address %d on %s\n",
- addr, adapter->name);
+ client->addr, adapter->name);
if (write_regs(client, initial_registers) < 0) {
printk(KERN_ERR
"wis-saa7115: error initializing SAA7115\n");
- kfree(client);
kfree(dec);
- return 0;
+ return -ENODEV;
}
- i2c_attach_client(client);
return 0;
}
-static int wis_saa7115_detach(struct i2c_client *client)
+static int wis_saa7115_remove(struct i2c_client *client)
{
struct wis_saa7115 *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_saa7115_id[] = {
+ { "wis_saa7115", 0 },
+ { }
+};
+
static struct i2c_driver wis_saa7115_driver = {
.driver = {
.name = "WIS SAA7115 I2C driver",
},
- .id = I2C_DRIVERID_WIS_SAA7115,
- .detach_client = wis_saa7115_detach,
+ .probe = wis_saa7115_probe,
+ .remove = wis_saa7115_remove,
.command = wis_saa7115_command,
+ .id_table = wis_saa7115_id,
};
static int __init wis_saa7115_init(void)
{
- int r;
-
- r = i2c_add_driver(&wis_saa7115_driver);
- if (r < 0)
- return r;
- return wis_i2c_add_driver(wis_saa7115_driver.id, wis_saa7115_detect);
+ return i2c_add_driver(&wis_saa7115_driver);
}
static void __exit wis_saa7115_cleanup(void)
{
- wis_i2c_del_driver(wis_saa7115_detect);
i2c_del_driver(&wis_saa7115_driver);
}