53 	int ret;  in em2800_i2c_send_bytes()  local
71 	ret = dev->em28xx_write_regs(dev, 4 - len, &b2[4 - len], 2 + len);  in em2800_i2c_send_bytes()
72 	if (ret != 2 + len) {  in em2800_i2c_send_bytes()
74 			    addr, ret);  in em2800_i2c_send_bytes()
75 		return (ret < 0) ? ret : -EIO;  in em2800_i2c_send_bytes()
79 		ret = dev->em28xx_read_reg(dev, 0x05);  in em2800_i2c_send_bytes()
80 		if (ret == 0x80 + len - 1)  in em2800_i2c_send_bytes()
82 		if (ret == 0x94 + len - 1) {  in em2800_i2c_send_bytes()
85 					    ret);  in em2800_i2c_send_bytes()
88 		if (ret < 0) {  in em2800_i2c_send_bytes()
90 				    ret);  in em2800_i2c_send_bytes()
91 			return ret;  in em2800_i2c_send_bytes()
108 	int ret;  in em2800_i2c_recv_bytes()  local
117 	ret = dev->em28xx_write_regs(dev, 0x04, buf2, 2);  in em2800_i2c_recv_bytes()
118 	if (ret != 2) {  in em2800_i2c_recv_bytes()
120 			    addr, ret);  in em2800_i2c_recv_bytes()
121 		return (ret < 0) ? ret : -EIO;  in em2800_i2c_recv_bytes()
126 		ret = dev->em28xx_read_reg(dev, 0x05);  in em2800_i2c_recv_bytes()
127 		if (ret == 0x84 + len - 1)  in em2800_i2c_recv_bytes()
129 		if (ret == 0x94 + len - 1) {  in em2800_i2c_recv_bytes()
132 					    ret);  in em2800_i2c_recv_bytes()
135 		if (ret < 0) {  in em2800_i2c_recv_bytes()
137 				    ret);  in em2800_i2c_recv_bytes()
138 			return ret;  in em2800_i2c_recv_bytes()
142 	if (ret != 0x84 + len - 1) {  in em2800_i2c_recv_bytes()
149 	ret = dev->em28xx_read_reg_req_len(dev, 0x00, 4-len, buf2, len);  in em2800_i2c_recv_bytes()
150 	if (ret != len) {  in em2800_i2c_recv_bytes()
152 			    addr, ret);  in em2800_i2c_recv_bytes()
153 		return (ret < 0) ? ret : -EIO;  in em2800_i2c_recv_bytes()
158 	return ret;  in em2800_i2c_recv_bytes()
168 	int ret;  in em2800_i2c_check_for_device()  local
170 	ret = em2800_i2c_recv_bytes(dev, addr, &buf, 1);  in em2800_i2c_check_for_device()
171 	if (ret == 1)  in em2800_i2c_check_for_device()
173 	return (ret < 0) ? ret : -EIO;  in em2800_i2c_check_for_device()
183 	int ret;  in em28xx_i2c_send_bytes()  local
193 	ret = dev->em28xx_write_regs_req(dev, stop ? 2 : 3, addr, buf, len);  in em28xx_i2c_send_bytes()
194 	if (ret != len) {  in em28xx_i2c_send_bytes()
195 		if (ret < 0) {  in em28xx_i2c_send_bytes()
197 				    addr, ret);  in em28xx_i2c_send_bytes()
198 			return ret;  in em28xx_i2c_send_bytes()
201 				    len, addr, ret);  in em28xx_i2c_send_bytes()
208 		ret = dev->em28xx_read_reg(dev, 0x05);  in em28xx_i2c_send_bytes()
209 		if (ret == 0) /* success */  in em28xx_i2c_send_bytes()
211 		if (ret == 0x10) {  in em28xx_i2c_send_bytes()
217 		if (ret < 0) {  in em28xx_i2c_send_bytes()
219 				    ret);  in em28xx_i2c_send_bytes()
220 			return ret;  in em28xx_i2c_send_bytes()
230 	if (ret == 0x02 || ret == 0x04) {  in em28xx_i2c_send_bytes()
234 				    addr, ret);  in em28xx_i2c_send_bytes()
239 		    addr, ret);  in em28xx_i2c_send_bytes()
249 	int ret;  in em28xx_i2c_recv_bytes()  local
259 	ret = dev->em28xx_read_reg_req_len(dev, 2, addr, buf, len);  in em28xx_i2c_recv_bytes()
260 	if (ret < 0) {  in em28xx_i2c_recv_bytes()
262 			    addr, ret);  in em28xx_i2c_recv_bytes()
263 		return ret;  in em28xx_i2c_recv_bytes()
275 	ret = dev->em28xx_read_reg(dev, 0x05);  in em28xx_i2c_recv_bytes()
276 	if (ret == 0) /* success */  in em28xx_i2c_recv_bytes()
278 	if (ret < 0) {  in em28xx_i2c_recv_bytes()
280 			    ret);  in em28xx_i2c_recv_bytes()
281 		return ret;  in em28xx_i2c_recv_bytes()
283 	if (ret == 0x10) {  in em28xx_i2c_recv_bytes()
290 	if (ret == 0x02 || ret == 0x04) {  in em28xx_i2c_recv_bytes()
294 				    addr, ret);  in em28xx_i2c_recv_bytes()
299 		    addr, ret);  in em28xx_i2c_recv_bytes()
309 	int ret;  in em28xx_i2c_check_for_device()  local
312 	ret = em28xx_i2c_recv_bytes(dev, addr, &buf, 1);  in em28xx_i2c_check_for_device()
313 	if (ret == 1)  in em28xx_i2c_check_for_device()
315 	return (ret < 0) ? ret : -EIO;  in em28xx_i2c_check_for_device()
325 	int ret;  in em25xx_bus_B_send_bytes()  local
335 	ret = dev->em28xx_write_regs_req(dev, 0x06, addr, buf, len);  in em25xx_bus_B_send_bytes()
336 	if (ret != len) {  in em25xx_bus_B_send_bytes()
337 		if (ret < 0) {  in em25xx_bus_B_send_bytes()
339 				    addr, ret);  in em25xx_bus_B_send_bytes()
340 			return ret;  in em25xx_bus_B_send_bytes()
343 				    len, addr, ret);  in em25xx_bus_B_send_bytes()
348 	ret = dev->em28xx_read_reg_req(dev, 0x08, 0x0000);  in em25xx_bus_B_send_bytes()
353 	if (!ret)  in em25xx_bus_B_send_bytes()
355 	else if (ret > 0) {  in em25xx_bus_B_send_bytes()
358 				    ret);  in em25xx_bus_B_send_bytes()
362 	return ret;  in em25xx_bus_B_send_bytes()
377 	int ret;  in em25xx_bus_B_recv_bytes()  local
387 	ret = dev->em28xx_read_reg_req_len(dev, 0x06, addr, buf, len);  in em25xx_bus_B_recv_bytes()
388 	if (ret < 0) {  in em25xx_bus_B_recv_bytes()
390 			    addr, ret);  in em25xx_bus_B_recv_bytes()
391 		return ret;  in em25xx_bus_B_recv_bytes()
403 	ret = dev->em28xx_read_reg_req(dev, 0x08, 0x0000);  in em25xx_bus_B_recv_bytes()
408 	if (!ret)  in em25xx_bus_B_recv_bytes()
410 	else if (ret > 0) {  in em25xx_bus_B_recv_bytes()
413 				    ret);  in em25xx_bus_B_recv_bytes()
417 	return ret;  in em25xx_bus_B_recv_bytes()
432 	int ret;  in em25xx_bus_B_check_for_device()  local
434 	ret = em25xx_bus_B_recv_bytes(dev, addr, &buf, 1);  in em25xx_bus_B_check_for_device()
435 	if (ret < 0)  in em25xx_bus_B_check_for_device()
436 		return ret;  in em25xx_bus_B_check_for_device()
619 	int remain = len, rsize, rsize_max, ret;  in em28xx_i2c_read_block()  local
628 	ret = i2c_master_send(&dev->i2c_client[bus], buf + !addr_w16, 1 + addr_w16);  in em28xx_i2c_read_block()
629 	if (ret < 0)  in em28xx_i2c_read_block()
630 		return ret;  in em28xx_i2c_read_block()
642 		ret = i2c_master_recv(&dev->i2c_client[bus], data, rsize);  in em28xx_i2c_read_block()
643 		if (ret < 0)  in em28xx_i2c_read_block()
644 			return ret;  in em28xx_i2c_read_block()