50 static inline int i2c_slave_did_ack(struct i2c_adapter *i2c_adap)  in i2c_slave_did_ack()  argument
52 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_slave_did_ack()
57 static inline int i2c_is_busy(struct i2c_adapter *i2c_adap)  in i2c_is_busy()  argument
59 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_is_busy()
64 static int i2c_wait_done(struct i2c_adapter *i2c_adap)  in i2c_wait_done()  argument
69 		if (!i2c_is_busy(i2c_adap))  in i2c_wait_done()
80 static int i2c_sendbytes(struct i2c_adapter *i2c_adap,  in i2c_sendbytes()  argument
83 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_sendbytes()
99 		if (!i2c_wait_done(i2c_adap))  in i2c_sendbytes()
102 		if (!i2c_slave_did_ack(i2c_adap))  in i2c_sendbytes()
124 	retval = i2c_wait_done(i2c_adap);  in i2c_sendbytes()
150 		retval = i2c_wait_done(i2c_adap);  in i2c_sendbytes()
174 static int i2c_readbytes(struct i2c_adapter *i2c_adap,  in i2c_readbytes()  argument
177 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_readbytes()
189 		if (!i2c_wait_done(i2c_adap))  in i2c_readbytes()
191 		if (!i2c_slave_did_ack(i2c_adap))  in i2c_readbytes()
215 		retval = i2c_wait_done(i2c_adap);  in i2c_readbytes()
238 static int i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num)  in i2c_xfer()  argument
240 	struct cx25821_i2c *bus = i2c_adap->algo_data;  in i2c_xfer()
252 			retval = i2c_readbytes(i2c_adap, &msgs[i], 0);  in i2c_xfer()
256 			retval = i2c_sendbytes(i2c_adap, &msgs[i],  in i2c_xfer()
262 			retval = i2c_readbytes(i2c_adap, &msgs[i], 1);  in i2c_xfer()
265 			retval = i2c_sendbytes(i2c_adap, &msgs[i], 0);  in i2c_xfer()
309 	bus->i2c_adap = cx25821_i2c_adap_template;  in cx25821_i2c_register()
311 	bus->i2c_adap.dev.parent = &dev->pci->dev;  in cx25821_i2c_register()
313 	strlcpy(bus->i2c_adap.name, bus->dev->name, sizeof(bus->i2c_adap.name));  in cx25821_i2c_register()
315 	bus->i2c_adap.algo_data = bus;  in cx25821_i2c_register()
316 	i2c_set_adapdata(&bus->i2c_adap, &dev->v4l2_dev);  in cx25821_i2c_register()
317 	i2c_add_adapter(&bus->i2c_adap);  in cx25821_i2c_register()
319 	bus->i2c_client.adapter = &bus->i2c_adap;  in cx25821_i2c_register()
329 	i2c_del_adapter(&bus->i2c_adap);  in cx25821_i2c_unregister()
354 	i2c_xfer(&dev->i2c_bus[0].i2c_adap, &msg, 1);