59 	int error;  in tca6416_write_reg()  local
61 	error = chip->io_size > 8 ?  in tca6416_write_reg()
64 	if (error < 0) {  in tca6416_write_reg()
67 			__func__, reg, val, error);  in tca6416_write_reg()
68 		return error;  in tca6416_write_reg()
95 	int error, i, pin_index;  in tca6416_keys_scan()  local
97 	error = tca6416_read_reg(chip, TCA6416_INPUT, &reg_val);  in tca6416_keys_scan()
98 	if (error)  in tca6416_keys_scan()
171 	int error;  in tca6416_setup_registers()  local
173 	error = tca6416_read_reg(chip, TCA6416_OUTPUT, &chip->reg_output);  in tca6416_setup_registers()
174 	if (error)  in tca6416_setup_registers()
175 		return error;  in tca6416_setup_registers()
177 	error = tca6416_read_reg(chip, TCA6416_DIRECTION, &chip->reg_direction);  in tca6416_setup_registers()
178 	if (error)  in tca6416_setup_registers()
179 		return error;  in tca6416_setup_registers()
182 	error = tca6416_write_reg(chip, TCA6416_DIRECTION,  in tca6416_setup_registers()
184 	if (error)  in tca6416_setup_registers()
185 		return error;  in tca6416_setup_registers()
187 	error = tca6416_read_reg(chip, TCA6416_DIRECTION, &chip->reg_direction);  in tca6416_setup_registers()
188 	if (error)  in tca6416_setup_registers()
189 		return error;  in tca6416_setup_registers()
191 	error = tca6416_read_reg(chip, TCA6416_INPUT, &chip->reg_input);  in tca6416_setup_registers()
192 	if (error)  in tca6416_setup_registers()
193 		return error;  in tca6416_setup_registers()
206 	int error;  in tca6416_keypad_probe()  local
227 		error = -ENOMEM;  in tca6416_keypad_probe()
269 	error = tca6416_setup_registers(chip);  in tca6416_keypad_probe()
270 	if (error)  in tca6416_keypad_probe()
279 		error = request_threaded_irq(chip->irqnum, NULL,  in tca6416_keypad_probe()
284 		if (error) {  in tca6416_keypad_probe()
287 				chip->irqnum, error);  in tca6416_keypad_probe()
293 	error = input_register_device(input);  in tca6416_keypad_probe()
294 	if (error) {  in tca6416_keypad_probe()
296 			"Unable to register input device, error: %d\n", error);  in tca6416_keypad_probe()
313 	return error;  in tca6416_keypad_probe()