input/mouse/elan_i2c_i2c.c

142 	int error;
145 	error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET);
146 	if (error) {
147 		dev_err(dev, "device reset failed: %d\n", error);
148 		return error;
155 	error = i2c_master_recv(client, val, ETP_I2C_INF_LENGTH);
156 	if (error < 0) {
157 		dev_err(dev, "failed to read reset response: %d\n", error);
158 		return error;
161 	error = elan_i2c_read_block(client, ETP_I2C_DESC_CMD,
163 	if (error) {
164 		dev_err(dev, "cannot get device descriptor: %d\n", error);
165 		return error;
168 	error = elan_i2c_read_block(client, ETP_I2C_REPORT_DESC_CMD,
170 	if (error) {
171 		dev_err(dev, "fetching report descriptor failed.: %d\n", error);
172 		return error;
188 	int error;
190 	error = elan_i2c_read_cmd(client, ETP_I2C_POWER_CMD, val);
191 	if (error) {
194 			error);
195 		return error;
204 	error = elan_i2c_write_cmd(client, ETP_I2C_POWER_CMD, reg);
205 	if (error) {
208 			error);
209 		return error;
234 	int error;
237 	error = elan_i2c_read_cmd(client,
241 	if (error)
242 		return error;
251 	int error;
254 	error = elan_i2c_read_cmd(client, ETP_I2C_PATTERN_CMD, val);
255 	if (error) {
256 		dev_err(&client->dev, "failed to get pattern: %d\n", error);
257 		return error;
273 	int error;
284 	error = elan_i2c_read_cmd(client, cmd, val);
285 	if (error) {
287 			iap ? "IAP" : "FW", error);
288 		return error;
301 	int error;
305 		error = elan_i2c_read_cmd(client, ETP_I2C_IC_TYPE_CMD, val);
306 		if (error) {
308 				error);
309 			return error;
313 		error = elan_i2c_read_cmd(client, ETP_I2C_NSM_VERSION_CMD,
315 		if (error) {
317 				error);
318 			return error;
323 		error = elan_i2c_read_cmd(client, ETP_I2C_OSM_VERSION_CMD, val);
324 		if (error) {
326 				error);
327 			return error;
331 		error = elan_i2c_read_cmd(client, ETP_I2C_IC_TYPE_P0_CMD, val);
332 		if (error) {
334 				error);
335 			return error;
339 		error = elan_i2c_read_cmd(client, ETP_I2C_NSM_VERSION_CMD,
341 		if (error) {
343 				error);
344 			return error;
354 	int error;
357 	error = elan_i2c_read_cmd(client, ETP_I2C_UNIQUEID_CMD, val);
358 	if (error) {
359 		dev_err(&client->dev, "failed to get product ID: %d\n", error);
360 		return error;
370 	int error;
373 	error = elan_i2c_read_cmd(client,
377 	if (error) {
379 			iap ? "IAP" : "FW", error);
380 		return error;
390 	int error;
393 	error = elan_i2c_read_cmd(client, ETP_I2C_MAX_X_AXIS_CMD, val);
394 	if (error) {
395 		dev_err(&client->dev, "failed to get X dimension: %d\n", error);
396 		return error;
401 	error = elan_i2c_read_cmd(client, ETP_I2C_MAX_Y_AXIS_CMD, val);
402 	if (error) {
403 		dev_err(&client->dev, "failed to get Y dimension: %d\n", error);
404 		return error;
415 	int error;
418 	error = elan_i2c_read_cmd(client, ETP_I2C_RESOLUTION_CMD, val);
419 	if (error) {
420 		dev_err(&client->dev, "failed to get resolution: %d\n", error);
421 		return error;
434 	int error;
437 	error = elan_i2c_read_cmd(client, ETP_I2C_XY_TRACENUM_CMD, val);
438 	if (error) {
439 		dev_err(&client->dev, "failed to get trace info: %d\n", error);
440 		return error;
452 	int error;
455 	error = elan_i2c_read_cmd(client, ETP_I2C_PRESSURE_CMD, val);
456 	if (error) {
458 			error);
459 		return error;
472 	int error;
476 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val);
477 	if (error) {
480 			error);
481 		return error;
494 	int error;
496 	error = elan_i2c_write_cmd(client, ETP_I2C_IAP_RESET_CMD,
498 	if (error) {
499 		dev_err(&client->dev, "cannot reset IC: %d\n", error);
500 		return error;
508 	int error;
510 	error = elan_i2c_write_cmd(client, ETP_I2C_IAP_CMD,
512 	if (error) {
513 		dev_err(&client->dev, "cannot set flash key: %d\n", error);
514 		return error;
522 	int error;
528 		error = elan_i2c_write_cmd(client, ETP_I2C_IAP_TYPE_CMD,
530 		if (error) {
532 				"cannot write iap type: %d\n", error);
533 			return error;
536 		error = elan_i2c_read_cmd(client, ETP_I2C_IAP_TYPE_CMD, val);
537 		if (error) {
540 				error);
541 			return error;
559 	int error;
565 	error = elan_i2c_iap_get_mode(client, &mode);
566 	if (error)
567 		return error;
571 		error = elan_i2c_iap_reset(client);
572 		if (error)
573 			return error;
579 	error = elan_i2c_set_flash_key(client);
580 	if (error)
581 		return error;
587 	error = elan_i2c_iap_get_mode(client, &mode);
588 	if (error)
589 		return error;
597 		error = elan_read_write_iap_type(client, fw_page_size);
598 		if (error)
599 			return error;
603 	error = elan_i2c_set_flash_key(client);
604 	if (error)
605 		return error;
611 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CMD, val);
612 	if (error) {
614 			error);
615 		return error;
634 	int ret, error;
648 		error = ret < 0 ? ret : -EIO;
649 		dev_err(dev, "Failed to write page %d: %d\n", idx, error);
656 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val);
657 	if (error) {
658 		dev_err(dev, "Failed to read IAP write result: %d\n", error);
666 		error = -EIO;
672 	return error;
679 	int error = 0;
685 		error = len < 0 ? len : -EIO;
687 			error, len);
693 	error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET);
694 	if (error) {
695 		dev_err(dev, "device reset failed: %d\n", error);
699 		error = -ETIMEDOUT;
704 	if (error)
705 		return error;
709 		error = len < 0 ? len : -EIO;
711 			error, len);
712 		return error;