76 	int error;  in gp2a_device_open()  local
78 	error = gp2a_enable(dt);  in gp2a_device_open()
79 	if (error < 0) {  in gp2a_device_open()
81 			"unable to activate, err %d\n", error);  in gp2a_device_open()
82 		return error;  in gp2a_device_open()
93 	int error;  in gp2a_device_close()  local
95 	error = gp2a_disable(dt);  in gp2a_device_close()
96 	if (error < 0)  in gp2a_device_close()
98 			"unable to deactivate, err %d\n", error);  in gp2a_device_close()
103 	int error;  in gp2a_initialize()  local
105 	error = i2c_smbus_write_byte_data(dt->i2c_client, GP2A_ADDR_GAIN,  in gp2a_initialize()
107 	if (error < 0)  in gp2a_initialize()
108 		return error;  in gp2a_initialize()
110 	error = i2c_smbus_write_byte_data(dt->i2c_client, GP2A_ADDR_HYS,  in gp2a_initialize()
112 	if (error < 0)  in gp2a_initialize()
113 		return error;  in gp2a_initialize()
115 	error = i2c_smbus_write_byte_data(dt->i2c_client, GP2A_ADDR_CYCLE,  in gp2a_initialize()
117 	if (error < 0)  in gp2a_initialize()
118 		return error;  in gp2a_initialize()
120 	error = gp2a_disable(dt);  in gp2a_initialize()
122 	return error;  in gp2a_initialize()
130 	int error;  in gp2a_probe()  local
136 		error = pdata->hw_setup(client);  in gp2a_probe()
137 		if (error < 0)  in gp2a_probe()
138 			return error;  in gp2a_probe()
141 	error = gpio_request_one(pdata->vout_gpio, GPIOF_IN, GP2A_I2C_NAME);  in gp2a_probe()
142 	if (error)  in gp2a_probe()
147 		error = -ENOMEM;  in gp2a_probe()
154 	error = gp2a_initialize(dt);  in gp2a_probe()
155 	if (error < 0)  in gp2a_probe()
160 		error = -ENOMEM;  in gp2a_probe()
174 	error = request_threaded_irq(client->irq, NULL, gp2a_irq,  in gp2a_probe()
178 	if (error) {  in gp2a_probe()
183 	error = input_register_device(dt->input);  in gp2a_probe()
184 	if (error) {  in gp2a_probe()
205 	return error;  in gp2a_probe()