em28xx_read_reg_req_len
dev->em28xx_read_reg_req_len = em28xx_read_reg_req_len;
ret = em28xx_read_reg_req_len(dev, req, reg, &val, 1);
ret = dev->em28xx_read_reg_req_len(dev, 0, EM28XX_R40_AC97LSB,
ret = dev->em28xx_read_reg_req_len(dev, 0x00, 4 - len, buf2, len);
ret = dev->em28xx_read_reg_req_len(dev, 2, addr, buf, len);
ret = dev->em28xx_read_reg_req_len(dev, 0x06, addr, buf, len);
rc = dev->em28xx_read_reg_req_len(dev, 0, EM28XX_R45_IR,
rc = dev->em28xx_read_reg_req_len(dev, 0, EM2874_R51_IR,
ret = dev->em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS,
int (*em28xx_read_reg_req_len)(struct em28xx *dev, u8 req, u16 reg,
int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,