135 	int err;  in cst3xx_i2c_read_register()  local
142 	err = ret < 0 ? ret : -EIO;  in cst3xx_i2c_read_register()
144 		len, reg, err, ret);  in cst3xx_i2c_read_register()
146 	return err;  in cst3xx_i2c_read_register()
152 	int err;  in cst3xx_firmware_info()  local
160 	err = cst3xx_i2c_write(client, buf, 2);  in cst3xx_firmware_info()
161 	if (err)  in cst3xx_firmware_info()
162 		return err;  in cst3xx_firmware_info()
170 	err = cst3xx_i2c_read_register(client, CST3XX_FIRMWARE_CHK_CODE_REG,  in cst3xx_firmware_info()
172 	if (err)  in cst3xx_firmware_info()
173 		return err;  in cst3xx_firmware_info()
185 	err = cst3xx_i2c_read_register(client, CST3XX_FIRMWARE_VERSION_REG,  in cst3xx_firmware_info()
187 	if (err)  in cst3xx_firmware_info()
188 		return err;  in cst3xx_firmware_info()
200 	err = cst3xx_i2c_write(client, buf, 2);  in cst3xx_firmware_info()
201 	if (err)  in cst3xx_firmware_info()
202 		return err;  in cst3xx_firmware_info()
211 	int err;  in cst3xx_bootloader_enter()  local
220 		err = cst3xx_i2c_write(client, buf, 3);  in cst3xx_bootloader_enter()
221 		if (err)  in cst3xx_bootloader_enter()
227 		err = cst3xx_i2c_read_register(client,  in cst3xx_bootloader_enter()
230 		if (err)  in cst3xx_bootloader_enter()
261 	int err;  in cst3xx_finish_touch_read()  local
264 	err = cst3xx_i2c_write(client, buf, 3);  in cst3xx_finish_touch_read()
265 	if (err) {  in cst3xx_finish_touch_read()
267 			"send read touch info ending failed: %d\n", err);  in cst3xx_finish_touch_read()
268 		return err;  in cst3xx_finish_touch_read()
298 	int err;  in cst3xx_touch_report()  local
301 	err = cst3xx_i2c_read_register(client, CST3XX_TOUCH_DATA_PART_REG,  in cst3xx_touch_report()
303 	if (err ||  in cst3xx_touch_report()
311 	err = cst3xx_finish_touch_read(client);  in cst3xx_touch_report()
312 	if (err)  in cst3xx_touch_report()
361 	int err;  in cst3xx_input_dev_int()  local
394 	err = input_mt_init_slots(ts_data->input_dev,  in cst3xx_input_dev_int()
397 	if (err) {  in cst3xx_input_dev_int()
399 			"Failed to initialize input slots: %d\n", err);  in cst3xx_input_dev_int()
400 		return err;  in cst3xx_input_dev_int()
403 	err = input_register_device(ts_data->input_dev);  in cst3xx_input_dev_int()
404 	if (err) {  in cst3xx_input_dev_int()
406 			"Input device registration failed: %d\n", err);  in cst3xx_input_dev_int()
407 		return err;  in cst3xx_input_dev_int()
416 	int err;  in hyn_probe()  local
431 	err = PTR_ERR_OR_ZERO(ts_data->reset_gpio);  in hyn_probe()
432 	if (err) {  in hyn_probe()
433 		dev_err(&client->dev, "request reset gpio failed: %d\n", err);  in hyn_probe()
434 		return err;  in hyn_probe()
439 	err = ts_data->chip->bootloader_enter(client);  in hyn_probe()
440 	if (err < 0)  in hyn_probe()
441 		return err;  in hyn_probe()
443 	err = ts_data->chip->init_input(client);  in hyn_probe()
444 	if (err < 0)  in hyn_probe()
445 		return err;  in hyn_probe()
447 	err = ts_data->chip->firmware_info(client);  in hyn_probe()
448 	if (err < 0)  in hyn_probe()
449 		return err;  in hyn_probe()
451 	err = devm_request_threaded_irq(&client->dev, client->irq,  in hyn_probe()
455 	if (err) {  in hyn_probe()
456 		dev_err(&client->dev, "failed to request IRQ: %d\n", err);  in hyn_probe()
457 		return err;  in hyn_probe()