500 	unsigned bus = i2c_bus->bus;  in em28xx_i2c_xfer()  local
515 	if (bus != dev->cur_i2c_bus &&  in em28xx_i2c_xfer()
517 		if (bus == 1)  in em28xx_i2c_xfer()
523 		dev->cur_i2c_bus = bus;  in em28xx_i2c_xfer()
616 static int em28xx_i2c_read_block(struct em28xx *dev, unsigned bus, u16 addr,  in em28xx_i2c_read_block()  argument
628 	ret = i2c_master_send(&dev->i2c_client[bus], buf + !addr_w16, 1 + addr_w16);  in em28xx_i2c_read_block()
642 		ret = i2c_master_recv(&dev->i2c_client[bus], data, rsize);  in em28xx_i2c_read_block()
653 static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned bus,  in em28xx_i2c_eeprom()  argument
671 	dev->i2c_client[bus].addr = 0xa0 >> 1;  in em28xx_i2c_eeprom()
674 	err = i2c_master_recv(&dev->i2c_client[bus], &buf, 0);  in em28xx_i2c_eeprom()
685 	err = em28xx_i2c_read_block(dev, bus, 0x0000,  in em28xx_i2c_eeprom()
730 		err = em28xx_i2c_read_block(dev, bus, mc_start + 46, 1, 2,  in em28xx_i2c_eeprom()
748 		err = em28xx_i2c_read_block(dev, bus, hwconf_offset, 1, len,  in em28xx_i2c_eeprom()
904 void em28xx_do_i2c_scan(struct em28xx *dev, unsigned bus)  in em28xx_do_i2c_scan()  argument
913 		dev->i2c_client[bus].addr = i;  in em28xx_do_i2c_scan()
914 		rc = i2c_master_recv(&dev->i2c_client[bus], &buf, 0);  in em28xx_do_i2c_scan()
919 			    i << 1, bus, i2c_devs[i] ? i2c_devs[i] : "???");  in em28xx_do_i2c_scan()
922 	if (bus == dev->def_i2c_bus)  in em28xx_do_i2c_scan()
931 int em28xx_i2c_register(struct em28xx *dev, unsigned bus,  in em28xx_i2c_register()  argument
939 	if (bus >= NUM_I2C_BUSES)  in em28xx_i2c_register()
942 	dev->i2c_adap[bus] = em28xx_adap_template;  in em28xx_i2c_register()
943 	dev->i2c_adap[bus].dev.parent = &dev->udev->dev;  in em28xx_i2c_register()
944 	strcpy(dev->i2c_adap[bus].name, dev->name);  in em28xx_i2c_register()
946 	dev->i2c_bus[bus].bus = bus;  in em28xx_i2c_register()
947 	dev->i2c_bus[bus].algo_type = algo_type;  in em28xx_i2c_register()
948 	dev->i2c_bus[bus].dev = dev;  in em28xx_i2c_register()
949 	dev->i2c_adap[bus].algo_data = &dev->i2c_bus[bus];  in em28xx_i2c_register()
951 	retval = i2c_add_adapter(&dev->i2c_adap[bus]);  in em28xx_i2c_register()
958 	dev->i2c_client[bus] = em28xx_client_template;  in em28xx_i2c_register()
959 	dev->i2c_client[bus].adapter = &dev->i2c_adap[bus];  in em28xx_i2c_register()
962 	if (!bus) {  in em28xx_i2c_register()
963 		retval = em28xx_i2c_eeprom(dev, bus, &dev->eedata, &dev->eedata_len);  in em28xx_i2c_register()
973 		em28xx_do_i2c_scan(dev, bus);  in em28xx_i2c_register()
982 int em28xx_i2c_unregister(struct em28xx *dev, unsigned bus)  in em28xx_i2c_unregister()  argument
984 	if (bus >= NUM_I2C_BUSES)  in em28xx_i2c_unregister()
987 	i2c_del_adapter(&dev->i2c_adap[bus]);  in em28xx_i2c_unregister()