42 static int gp2a_report(struct gp2a_data *dt)  in gp2a_report()  argument
44 	int vo = gpio_get_value(dt->pdata->vout_gpio);  in gp2a_report()
46 	input_report_switch(dt->input, SW_FRONT_PROXIMITY, !vo);  in gp2a_report()
47 	input_sync(dt->input);  in gp2a_report()
54 	struct gp2a_data *dt = handle;  in gp2a_irq()  local
56 	gp2a_report(dt);  in gp2a_irq()
61 static int gp2a_enable(struct gp2a_data *dt)  in gp2a_enable()  argument
63 	return i2c_smbus_write_byte_data(dt->i2c_client, GP2A_ADDR_OPMOD,  in gp2a_enable()
67 static int gp2a_disable(struct gp2a_data *dt)  in gp2a_disable()  argument
69 	return i2c_smbus_write_byte_data(dt->i2c_client, GP2A_ADDR_OPMOD,  in gp2a_disable()
75 	struct gp2a_data *dt = input_get_drvdata(dev);  in gp2a_device_open()  local
78 	error = gp2a_enable(dt);  in gp2a_device_open()
80 		dev_err(&dt->i2c_client->dev,  in gp2a_device_open()
85 	gp2a_report(dt);  in gp2a_device_open()
92 	struct gp2a_data *dt = input_get_drvdata(dev);  in gp2a_device_close()  local
95 	error = gp2a_disable(dt);  in gp2a_device_close()
97 		dev_err(&dt->i2c_client->dev,  in gp2a_device_close()
101 static int gp2a_initialize(struct gp2a_data *dt)  in gp2a_initialize()  argument
105 	error = i2c_smbus_write_byte_data(dt->i2c_client, GP2A_ADDR_GAIN,  in gp2a_initialize()
110 	error = i2c_smbus_write_byte_data(dt->i2c_client, GP2A_ADDR_HYS,  in gp2a_initialize()
115 	error = i2c_smbus_write_byte_data(dt->i2c_client, GP2A_ADDR_CYCLE,  in gp2a_initialize()
120 	error = gp2a_disable(dt);  in gp2a_initialize()
129 	struct gp2a_data *dt;  in gp2a_probe()  local
145 	dt = kzalloc(sizeof(struct gp2a_data), GFP_KERNEL);  in gp2a_probe()
146 	if (!dt) {  in gp2a_probe()
151 	dt->pdata = pdata;  in gp2a_probe()
152 	dt->i2c_client = client;  in gp2a_probe()
154 	error = gp2a_initialize(dt);  in gp2a_probe()
158 	dt->input = input_allocate_device();  in gp2a_probe()
159 	if (!dt->input) {  in gp2a_probe()
164 	input_set_drvdata(dt->input, dt);  in gp2a_probe()
166 	dt->input->open = gp2a_device_open;  in gp2a_probe()
167 	dt->input->close = gp2a_device_close;  in gp2a_probe()
168 	dt->input->name = GP2A_I2C_NAME;  in gp2a_probe()
169 	dt->input->id.bustype = BUS_I2C;  in gp2a_probe()
170 	dt->input->dev.parent = &client->dev;  in gp2a_probe()
172 	input_set_capability(dt->input, EV_SW, SW_FRONT_PROXIMITY);  in gp2a_probe()
177 			GP2A_I2C_NAME, dt);  in gp2a_probe()
183 	error = input_register_device(dt->input);  in gp2a_probe()
190 	i2c_set_clientdata(client, dt);  in gp2a_probe()
195 	free_irq(client->irq, dt);  in gp2a_probe()
197 	input_free_device(dt->input);  in gp2a_probe()
199 	kfree(dt);  in gp2a_probe()
210 	struct gp2a_data *dt = i2c_get_clientdata(client);  in gp2a_remove()  local
211 	const struct gp2a_platform_data *pdata = dt->pdata;  in gp2a_remove()
215 	free_irq(client->irq, dt);  in gp2a_remove()
217 	input_unregister_device(dt->input);  in gp2a_remove()
218 	kfree(dt);  in gp2a_remove()
232 	struct gp2a_data *dt = i2c_get_clientdata(client);  in gp2a_suspend()  local
238 		mutex_lock(&dt->input->mutex);  in gp2a_suspend()
239 		if (dt->input->users)  in gp2a_suspend()
240 			retval = gp2a_disable(dt);  in gp2a_suspend()
241 		mutex_unlock(&dt->input->mutex);  in gp2a_suspend()
250 	struct gp2a_data *dt = i2c_get_clientdata(client);  in gp2a_resume()  local
256 		mutex_lock(&dt->input->mutex);  in gp2a_resume()
257 		if (dt->input->users)  in gp2a_resume()
258 			retval = gp2a_enable(dt);  in gp2a_resume()
259 		mutex_unlock(&dt->input->mutex);  in gp2a_resume()