input/touchscreen/mms114.c

96 	int error;
113 	error = i2c_transfer(client->adapter, xfer, 2);
114 	if (error != 2) {
116 			"%s: i2c transfer failed (%d)\n", __func__, error);
117 		return error < 0 ? error : -EIO;
127 	int error;
132 	error = __mms114_read_reg(data, reg, 1, &val);
133 	return error < 0 ? error : val;
141 	int error;
146 	error = i2c_master_send(client, buf, 2);
147 	if (error != 2) {
149 			"%s: i2c send failed (%d)\n", __func__, error);
150 		return error < 0 ? error : -EIO;
224 	int error;
243 	error = __mms114_read_reg(data, MMS114_INFORMATION, packet_size,
245 	if (error < 0)
294 	int error;
298 		error = __mms114_read_reg(data, MMS152_FW_REV, 3, buf);
299 		if (error)
300 			return error;
307 		error = __mms114_read_reg(data, MMS152_FW_REV, 3, buf);
308 		if (error)
309 			return error;
323 		error = __mms114_read_reg(data, MMS114_TSP_REV, 6, buf);
324 		if (error)
325 			return error;
339 	int error;
341 	error = mms114_get_version(data);
342 	if (error < 0)
343 		return error;
350 	error = mms114_set_active(data, true);
351 	if (error < 0)
352 		return error;
356 	error = mms114_write_reg(data, MMS114_XY_RESOLUTION_H, val);
357 	if (error < 0)
358 		return error;
361 	error = mms114_write_reg(data, MMS114_X_RESOLUTION, val);
362 	if (error < 0)
363 		return error;
366 	error = mms114_write_reg(data, MMS114_Y_RESOLUTION, val);
367 	if (error < 0)
368 		return error;
371 		error = mms114_write_reg(data, MMS114_CONTACT_THRESHOLD,
373 		if (error < 0)
374 			return error;
378 		error = mms114_write_reg(data, MMS114_MOVING_THRESHOLD,
380 		if (error < 0)
381 			return error;
390 	int error;
392 	error = regulator_enable(data->core_reg);
393 	if (error) {
394 		dev_err(&client->dev, "Failed to enable avdd: %d\n", error);
395 		return error;
398 	error = regulator_enable(data->io_reg);
399 	if (error) {
400 		dev_err(&client->dev, "Failed to enable vdd: %d\n", error);
402 		return error;
407 	error = mms114_setup_regs(data);
408 	if (error < 0) {
411 		return error;
422 	int error;
426 	error = regulator_disable(data->io_reg);
427 	if (error)
428 		dev_warn(&client->dev, "Failed to disable vdd: %d\n", error);
430 	error = regulator_disable(data->core_reg);
431 	if (error)
432 		dev_warn(&client->dev, "Failed to disable avdd: %d\n", error);
484 	int error;
526 		error = device_property_read_u32_array(&client->dev,
530 		if (error) {
533 				error);
534 			return error;
555 		error = mms114_parse_legacy_bindings(data);
556 		if (error)
557 			return error;
591 	error = input_mt_init_slots(input_dev, MMS114_MAX_TOUCH,
593 	if (error)
594 		return error;
601 		error = PTR_ERR(data->core_reg);
603 			"Unable to get the Core regulator (%d)\n", error);
604 		return error;
609 		error = PTR_ERR(data->io_reg);
611 			"Unable to get the IO regulator (%d)\n", error);
612 		return error;
615 	error = devm_request_threaded_irq(&client->dev, client->irq,
619 	if (error) {
621 		return error;
624 	error = input_register_device(data->input_dev);
625 	if (error) {
627 		return error;
662 	int error;
666 		error = mms114_start(data);
667 		if (error < 0) {
669 			return error;