usb/em28xx/em28xx-i2c.c

474 static inline int i2c_check_for_device(struct em28xx_i2c_bus *i2c_bus, u16 addr)
476 	struct em28xx *dev = i2c_bus->dev;
479 	if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM28XX)
481 	else if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM2800)
483 	else if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM25XX_BUS_B)
488 static inline int i2c_recv_bytes(struct em28xx_i2c_bus *i2c_bus,
491 	struct em28xx *dev = i2c_bus->dev;
495 	if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM28XX)
497 	else if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM2800)
499 	else if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM25XX_BUS_B)
504 static inline int i2c_send_bytes(struct em28xx_i2c_bus *i2c_bus,
507 	struct em28xx *dev = i2c_bus->dev;
511 	if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM28XX)
513 	else if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM2800)
515 	else if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM25XX_BUS_B)
527 	struct em28xx_i2c_bus *i2c_bus = i2c_adap->algo_data;
528 	struct em28xx *dev = i2c_bus->dev;
529 	unsigned int bus = i2c_bus->bus;
546 	    i2c_bus->algo_type == EM28XX_I2C_ALGO_EM28XX) {
563 			rc = i2c_check_for_device(i2c_bus, addr);
569 			rc = i2c_recv_bytes(i2c_bus, msgs[i]);
572 			rc = i2c_send_bytes(i2c_bus, msgs[i], i == num - 1);
881 	struct em28xx_i2c_bus *i2c_bus = i2c_adap->algo_data;
883 	if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM28XX ||
884 	    i2c_bus->algo_type == EM28XX_I2C_ALGO_EM25XX_BUS_B) {
886 	} else if (i2c_bus->algo_type == EM28XX_I2C_ALGO_EM2800)  {
985 	dev->i2c_bus[bus].bus = bus;
986 	dev->i2c_bus[bus].algo_type = algo_type;
987 	dev->i2c_bus[bus].dev = dev;
988 	dev->i2c_adap[bus].algo_data = &dev->i2c_bus[bus];
1020  * unregister i2c_bus