input/mouse/elan_i2c_smbus.c

58 	int len, error;
65 		error = len < 0 ? len : -EIO;
66 		return error;
77 	error = i2c_smbus_write_byte(client, ETP_SMBUS_ENABLE_TP);
78 	if (error) {
79 		dev_err(&client->dev, "failed to enable touchpad: %d\n", error);
80 		return error;
117 	int error;
122 	error = i2c_smbus_read_block_data(client,
124 	if (error < 0)
125 		return error;
134 	int error;
137 	error = i2c_smbus_read_block_data(client,
142 	if (error < 0)
143 		return error;
153 	int error;
156 	error = i2c_smbus_read_block_data(client,
160 	if (error < 0) {
162 			iap ? "IAP" : "FW", error);
163 		return error;
173 	int error;
176 	error = i2c_smbus_read_block_data(client,
178 	if (error < 0) {
179 		dev_err(&client->dev, "failed to get SM version: %d\n", error);
180 		return error;
191 	int error;
194 	error = i2c_smbus_read_block_data(client,
196 	if (error < 0) {
197 		dev_err(&client->dev, "failed to get product ID: %d\n", error);
198 		return error;
208 	int error;
211 	error = i2c_smbus_read_block_data(client,
215 	if (error < 0) {
217 			iap ? "IAP" : "FW", error);
218 		return error;
229 	int error;
234 		error = ret < 0 ? ret : -EIO;
235 		dev_err(&client->dev, "failed to get dimensions: %d\n", error);
236 		return error;
249 	int error;
254 		error = ret < 0 ? ret : -EIO;
255 		dev_err(&client->dev, "failed to get resolution: %d\n", error);
256 		return error;
270 	int error;
275 		error = ret < 0 ? ret : -EIO;
276 		dev_err(&client->dev, "failed to get trace info: %d\n", error);
277 		return error;
296 	int error;
300 	error = i2c_smbus_read_block_data(client, ETP_SMBUS_IAP_CTRL_CMD, val);
301 	if (error < 0) {
303 			error);
304 		return error;
317 	int error;
319 	error = i2c_smbus_write_byte(client, ETP_SMBUS_IAP_RESET_CMD);
320 	if (error) {
321 		dev_err(&client->dev, "cannot reset IC: %d\n", error);
322 		return error;
330 	int error;
333 	error = i2c_smbus_write_block_data(client, ETP_SMBUS_IAP_CMD,
335 	if (error) {
336 		dev_err(&client->dev, "cannot set flash key: %d\n", error);
337 		return error;
348 	int error;
355 	error = elan_smbus_iap_get_mode(client, &mode);
356 	if (error)
357 		return error;
362 		error = elan_smbus_set_flash_key(client);
363 		if (error)
364 			return error;
373 		error = i2c_smbus_write_block_data(client, ETP_SMBUS_IAP_CMD,
375 		if (error) {
377 				error);
378 			return error;
389 			error = len < 0 ? len : -EIO;
391 				error);
392 			return error;
405 	error = elan_smbus_set_flash_key(client);
406 	if (error)
407 		return error;
410 	error = elan_smbus_iap_reset(client);
411 	if (error)
412 		return error;
422 	int error;
431 	error = i2c_smbus_write_block_data(client,
435 	if (error) {
437 			idx, 1, error);
438 		return error;
441 	error = i2c_smbus_write_block_data(client,
445 	if (error) {
447 			idx, 2, error);
448 		return error;
455 	error = i2c_smbus_read_block_data(client,
457 	if (error < 0) {
459 			error);
460 		return error;