57 	int len, error;  in elan_smbus_initialize()  local
64 		error = len < 0 ? len : -EIO;  in elan_smbus_initialize()
65 		return error;  in elan_smbus_initialize()
76 	error = i2c_smbus_write_byte(client, ETP_SMBUS_ENABLE_TP);  in elan_smbus_initialize()
77 	if (error) {  in elan_smbus_initialize()
78 		dev_err(&client->dev, "failed to enable touchpad: %d\n", error);  in elan_smbus_initialize()
79 		return error;  in elan_smbus_initialize()
116 	int error;  in elan_smbus_calibrate_result()  local
121 	error = i2c_smbus_read_block_data(client,  in elan_smbus_calibrate_result()
123 	if (error < 0)  in elan_smbus_calibrate_result()
124 		return error;  in elan_smbus_calibrate_result()
133 	int error;  in elan_smbus_get_baseline_data()  local
136 	error = i2c_smbus_read_block_data(client,  in elan_smbus_get_baseline_data()
141 	if (error < 0)  in elan_smbus_get_baseline_data()
142 		return error;  in elan_smbus_get_baseline_data()
152 	int error;  in elan_smbus_get_version()  local
155 	error = i2c_smbus_read_block_data(client,  in elan_smbus_get_version()
159 	if (error < 0) {  in elan_smbus_get_version()
161 			iap ? "IAP" : "FW", error);  in elan_smbus_get_version()
162 		return error;  in elan_smbus_get_version()
172 	int error;  in elan_smbus_get_sm_version()  local
175 	error = i2c_smbus_read_block_data(client,  in elan_smbus_get_sm_version()
177 	if (error < 0) {  in elan_smbus_get_sm_version()
178 		dev_err(&client->dev, "failed to get SM version: %d\n", error);  in elan_smbus_get_sm_version()
179 		return error;  in elan_smbus_get_sm_version()
190 	int error;  in elan_smbus_get_product_id()  local
193 	error = i2c_smbus_read_block_data(client,  in elan_smbus_get_product_id()
195 	if (error < 0) {  in elan_smbus_get_product_id()
196 		dev_err(&client->dev, "failed to get product ID: %d\n", error);  in elan_smbus_get_product_id()
197 		return error;  in elan_smbus_get_product_id()
207 	int error;  in elan_smbus_get_checksum()  local
210 	error = i2c_smbus_read_block_data(client,  in elan_smbus_get_checksum()
214 	if (error < 0) {  in elan_smbus_get_checksum()
216 			iap ? "IAP" : "FW", error);  in elan_smbus_get_checksum()
217 		return error;  in elan_smbus_get_checksum()
228 	int error;  in elan_smbus_get_max()  local
233 		error = ret < 0 ? ret : -EIO;  in elan_smbus_get_max()
234 		dev_err(&client->dev, "failed to get dimensions: %d\n", error);  in elan_smbus_get_max()
235 		return error;  in elan_smbus_get_max()
248 	int error;  in elan_smbus_get_resolution()  local
253 		error = ret < 0 ? ret : -EIO;  in elan_smbus_get_resolution()
254 		dev_err(&client->dev, "failed to get resolution: %d\n", error);  in elan_smbus_get_resolution()
255 		return error;  in elan_smbus_get_resolution()
269 	int error;  in elan_smbus_get_num_traces()  local
274 		error = ret < 0 ? ret : -EIO;  in elan_smbus_get_num_traces()
275 		dev_err(&client->dev, "failed to get trace info: %d\n", error);  in elan_smbus_get_num_traces()
276 		return error;  in elan_smbus_get_num_traces()
295 	int error;  in elan_smbus_iap_get_mode()  local
299 	error = i2c_smbus_read_block_data(client, ETP_SMBUS_IAP_CTRL_CMD, val);  in elan_smbus_iap_get_mode()
300 	if (error < 0) {  in elan_smbus_iap_get_mode()
302 			error);  in elan_smbus_iap_get_mode()
303 		return error;  in elan_smbus_iap_get_mode()
316 	int error;  in elan_smbus_iap_reset()  local
318 	error = i2c_smbus_write_byte(client, ETP_SMBUS_IAP_RESET_CMD);  in elan_smbus_iap_reset()
319 	if (error) {  in elan_smbus_iap_reset()
320 		dev_err(&client->dev, "cannot reset IC: %d\n", error);  in elan_smbus_iap_reset()
321 		return error;  in elan_smbus_iap_reset()
329 	int error;  in elan_smbus_set_flash_key()  local
332 	error = i2c_smbus_write_block_data(client, ETP_SMBUS_IAP_CMD,  in elan_smbus_set_flash_key()
334 	if (error) {  in elan_smbus_set_flash_key()
335 		dev_err(&client->dev, "cannot set flash key: %d\n", error);  in elan_smbus_set_flash_key()
336 		return error;  in elan_smbus_set_flash_key()
347 	int error;  in elan_smbus_prepare_fw_update()  local
354 	error = elan_smbus_iap_get_mode(client, &mode);  in elan_smbus_prepare_fw_update()
355 	if (error)  in elan_smbus_prepare_fw_update()
356 		return error;  in elan_smbus_prepare_fw_update()
361 		error = elan_smbus_set_flash_key(client);  in elan_smbus_prepare_fw_update()
362 		if (error)  in elan_smbus_prepare_fw_update()
363 			return error;  in elan_smbus_prepare_fw_update()
372 		error = i2c_smbus_write_block_data(client, ETP_SMBUS_IAP_CMD,  in elan_smbus_prepare_fw_update()
374 		if (error) {  in elan_smbus_prepare_fw_update()
376 				error);  in elan_smbus_prepare_fw_update()
377 			return error;  in elan_smbus_prepare_fw_update()
388 			error = len < 0 ? len : -EIO;  in elan_smbus_prepare_fw_update()
390 				error);  in elan_smbus_prepare_fw_update()
391 			return error;  in elan_smbus_prepare_fw_update()
404 	error = elan_smbus_set_flash_key(client);  in elan_smbus_prepare_fw_update()
405 	if (error)  in elan_smbus_prepare_fw_update()
406 		return error;  in elan_smbus_prepare_fw_update()
409 	error = elan_smbus_iap_reset(client);  in elan_smbus_prepare_fw_update()
410 	if (error)  in elan_smbus_prepare_fw_update()
411 		return error;  in elan_smbus_prepare_fw_update()
421 	int error;  in elan_smbus_write_fw_block()  local
430 	error = i2c_smbus_write_block_data(client,  in elan_smbus_write_fw_block()
434 	if (error) {  in elan_smbus_write_fw_block()
436 			idx, 1, error);  in elan_smbus_write_fw_block()
437 		return error;  in elan_smbus_write_fw_block()
440 	error = i2c_smbus_write_block_data(client,  in elan_smbus_write_fw_block()
444 	if (error) {  in elan_smbus_write_fw_block()
446 			idx, 2, error);  in elan_smbus_write_fw_block()
447 		return error;  in elan_smbus_write_fw_block()
454 	error = i2c_smbus_read_block_data(client,  in elan_smbus_write_fw_block()
456 	if (error < 0) {  in elan_smbus_write_fw_block()
458 			error);  in elan_smbus_write_fw_block()
459 		return error;  in elan_smbus_write_fw_block()