36 static inline int i2c_slave_did_ack(struct i2c_adapter *i2c_adap)  in i2c_slave_did_ack()  argument
38 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_slave_did_ack()
43 static inline int i2c_is_busy(struct i2c_adapter *i2c_adap)  in i2c_is_busy()  argument
45 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_is_busy()
50 static int i2c_wait_done(struct i2c_adapter *i2c_adap)  in i2c_wait_done()  argument
55 		if (!i2c_is_busy(i2c_adap))  in i2c_wait_done()
66 static int i2c_sendbytes(struct i2c_adapter *i2c_adap,  in i2c_sendbytes()  argument
69 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_sendbytes()
85 		if (!i2c_wait_done(i2c_adap))  in i2c_sendbytes()
88 		if (!i2c_slave_did_ack(i2c_adap))  in i2c_sendbytes()
110 	retval = i2c_wait_done(i2c_adap);  in i2c_sendbytes()
136 		retval = i2c_wait_done(i2c_adap);  in i2c_sendbytes()
160 static int i2c_readbytes(struct i2c_adapter *i2c_adap,  in i2c_readbytes()  argument
163 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_readbytes()
175 		if (!i2c_wait_done(i2c_adap))  in i2c_readbytes()
177 		if (!i2c_slave_did_ack(i2c_adap))  in i2c_readbytes()
201 		retval = i2c_wait_done(i2c_adap);  in i2c_readbytes()
224 static int i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num)  in i2c_xfer()  argument
226 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_xfer()
238 			retval = i2c_readbytes(i2c_adap, &msgs[i], 0);  in i2c_xfer()
242 			retval = i2c_sendbytes(i2c_adap, &msgs[i],  in i2c_xfer()
248 			retval = i2c_readbytes(i2c_adap, &msgs[i], 1);  in i2c_xfer()
251 			retval = i2c_sendbytes(i2c_adap, &msgs[i], 0);  in i2c_xfer()
295 	bus->i2c_adap = cx25821_i2c_adap_template;  in cx25821_i2c_register()
297 	bus->i2c_adap.dev.parent = &dev->pci->dev;  in cx25821_i2c_register()
299 	strscpy(bus->i2c_adap.name, bus->dev->name, sizeof(bus->i2c_adap.name));  in cx25821_i2c_register()
301 	bus->i2c_adap.algo_data = bus;  in cx25821_i2c_register()
302 	i2c_set_adapdata(&bus->i2c_adap, &dev->v4l2_dev);  in cx25821_i2c_register()
303 	i2c_add_adapter(&bus->i2c_adap);  in cx25821_i2c_register()
305 	bus->i2c_client.adapter = &bus->i2c_adap;  in cx25821_i2c_register()
315 	i2c_del_adapter(&bus->i2c_adap);  in cx25821_i2c_unregister()
340 	i2c_xfer(&dev->i2c_bus[0].i2c_adap, &msg, 1);