int (*command)(struct i2c_client *client,unsigned int cmd, void *arg);
struct device_driver driver;
- struct list_head list;
};
#define to_i2c_driver(d) container_of(d, struct i2c_driver, driver)
* @irq: indicates the IRQ generated by this device (if any)
* @driver_name: Identifies new-style driver used with this device; also
* used as the module name for hotplug/coldplug modprobe support.
- * @list: list of active/busy clients
+ * @list: list of active/busy clients (DEPRECATED)
* @released: used to synchronize client releases & detaches and references
*
* An i2c_client identifies a single device (i.e. chip) connected to an
struct device dev; /* the device structure */
int irq; /* irq issued by device (or -1) */
char driver_name[KOBJ_NAME_LEN];
- struct list_head list;
+ struct list_head list; /* DEPRECATED */
struct completion released;
};
#define to_i2c_client(d) container_of(d, struct i2c_client, dev)
+extern struct i2c_client *i2c_verify_client(struct device *dev);
+
static inline struct i2c_client *kobj_to_i2c_client(struct kobject *kobj)
{
struct device * const dev = container_of(kobj, struct device, kobj);
struct i2c_board_info *info,
unsigned short const *addr_list);
+/* For devices that use several addresses, use i2c_new_dummy() to make
+ * client handles for the extra addresses.
+ */
+extern struct i2c_client *
+i2c_new_dummy(struct i2c_adapter *adap, u16 address, const char *type);
+
extern void i2c_unregister_device(struct i2c_client *);
/* Mainboard arch_initcall() code should register all its I2C devices.
struct device dev; /* the adapter device */
int nr;
- struct list_head clients;
- struct list_head list;
+ struct list_head clients; /* DEPRECATED */
char name[48];
struct completion dev_released;
};
extern int i2c_attach_client(struct i2c_client *);
extern int i2c_detach_client(struct i2c_client *);
-/* Should be used to make sure that client-struct is valid and that it
- is okay to access the i2c-client.
- returns -ENODEV if client has gone in the meantime */
-extern int i2c_use_client(struct i2c_client *);
-extern int i2c_release_client(struct i2c_client *);
+extern struct i2c_client *i2c_use_client(struct i2c_client *client);
+extern void i2c_release_client(struct i2c_client *client);
/* call the i2c_client->command() of all attached clients with
* the given arguments */