43 static int usb_read(struct i2c_adapter *adapter, int cmd,
46 static int usb_write(struct i2c_adapter *adapter, int cmd,
55 static int usb_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs, int num)  in usb_xfer()  argument
61 	dev_dbg(&adapter->dev, "master xfer %d messages:\n", num);  in usb_xfer()
78 		dev_dbg(&adapter->dev,  in usb_xfer()
86 			if (usb_read(adapter, cmd,  in usb_xfer()
89 				dev_err(&adapter->dev,  in usb_xfer()
96 			if (usb_write(adapter, cmd,  in usb_xfer()
99 				dev_err(&adapter->dev,  in usb_xfer()
107 		if (usb_read(adapter, CMD_GET_STATUS, 0, 0, pstatus, 1) != 1) {  in usb_xfer()
108 			dev_err(&adapter->dev, "failure reading status\n");  in usb_xfer()
113 		dev_dbg(&adapter->dev, "  status = %d\n", *pstatus);  in usb_xfer()
126 static u32 usb_func(struct i2c_adapter *adapter)  in usb_func()  argument
134 	if (!pfunc || usb_read(adapter, CMD_GET_FUNC, 0, 0, pfunc,  in usb_func()
136 		dev_err(&adapter->dev, "failure reading functionality\n");  in usb_func()
174 	struct i2c_adapter adapter; /* i2c related things */  member
177 static int usb_read(struct i2c_adapter *adapter, int cmd,  in usb_read()  argument
180 	struct i2c_tiny_usb *dev = (struct i2c_tiny_usb *)adapter->algo_data;  in usb_read()
188 static int usb_write(struct i2c_adapter *adapter, int cmd,  in usb_write()  argument
191 	struct i2c_tiny_usb *dev = (struct i2c_tiny_usb *)adapter->algo_data;  in usb_write()
234 	dev->adapter.owner = THIS_MODULE;  in i2c_tiny_usb_probe()
235 	dev->adapter.class = I2C_CLASS_HWMON;  in i2c_tiny_usb_probe()
236 	dev->adapter.algo = &usb_algorithm;  in i2c_tiny_usb_probe()
237 	dev->adapter.algo_data = dev;  in i2c_tiny_usb_probe()
238 	snprintf(dev->adapter.name, sizeof(dev->adapter.name),  in i2c_tiny_usb_probe()
242 	if (usb_write(&dev->adapter, CMD_SET_DELAY, delay, 0, NULL, 0) != 0) {  in i2c_tiny_usb_probe()
243 		dev_err(&dev->adapter.dev,  in i2c_tiny_usb_probe()
249 	dev->adapter.dev.parent = &dev->interface->dev;  in i2c_tiny_usb_probe()
252 	i2c_add_adapter(&dev->adapter);  in i2c_tiny_usb_probe()
255 	dev_info(&dev->adapter.dev, "connected i2c-tiny-usb device\n");  in i2c_tiny_usb_probe()
270 	i2c_del_adapter(&dev->adapter);  in i2c_tiny_usb_disconnect()