181 	struct wacom_i2c *wac_i2c = dev_id;  in wacom_i2c_irq()  local
182 	struct input_dev *input = wac_i2c->input;  in wacom_i2c_irq()
184 	u8 *data = wac_i2c->data;  in wacom_i2c_irq()
189 	if (device_can_wakeup(&wac_i2c->client->dev))  in wacom_i2c_irq()
190 		pm_stay_awake(&wac_i2c->client->dev);  in wacom_i2c_irq()
191 	error = i2c_master_recv(wac_i2c->client,  in wacom_i2c_irq()
192 				wac_i2c->data, sizeof(wac_i2c->data));  in wacom_i2c_irq()
204 	if (!wac_i2c->prox)  in wacom_i2c_irq()
205 		wac_i2c->tool = (data[3] & 0x0c) ?  in wacom_i2c_irq()
208 	wac_i2c->prox = data[3] & 0x20;  in wacom_i2c_irq()
221 	input_report_key(input, wac_i2c->tool, wac_i2c->prox);  in wacom_i2c_irq()
230 	if (device_can_wakeup(&wac_i2c->client->dev))  in wacom_i2c_irq()
231 		pm_relax(&wac_i2c->client->dev);  in wacom_i2c_irq()
238 	struct wacom_i2c *wac_i2c = input_get_drvdata(dev);  in wacom_i2c_open()  local
239 	struct i2c_client *client = wac_i2c->client;  in wacom_i2c_open()
248 	struct wacom_i2c *wac_i2c = input_get_drvdata(dev);  in wacom_i2c_close()  local
249 	struct i2c_client *client = wac_i2c->client;  in wacom_i2c_close()
256 	struct wacom_i2c *wac_i2c = container_of(tp_d, struct wacom_i2c, tp);  in wacom_i2c_suspend()  local
258 	dev_dbg(&wac_i2c->client->dev, "%s\n", __func__);  in wacom_i2c_suspend()
259 	disable_irq(wac_i2c->client->irq);  in wacom_i2c_suspend()
260 	if (wac_i2c->supply) {  in wacom_i2c_suspend()
261 		gpio_direction_output(wac_i2c->irq_gpio, 0);  in wacom_i2c_suspend()
262 		gpio_direction_output(wac_i2c->pen_detect_gpio, 0);  in wacom_i2c_suspend()
263 		gpio_direction_output(wac_i2c->reset_gpio, 0);  in wacom_i2c_suspend()
264 		regulator_disable(wac_i2c->supply);  in wacom_i2c_suspend()
271 	struct wacom_i2c *wac_i2c = container_of(tp_d, struct wacom_i2c, tp);  in wacom_i2c_resume()  local
274 	dev_dbg(&wac_i2c->client->dev, "%s\n", __func__);  in wacom_i2c_resume()
275 	if (wac_i2c->supply) {  in wacom_i2c_resume()
276 		gpio_direction_input(wac_i2c->irq_gpio);  in wacom_i2c_resume()
277 		gpio_direction_input(wac_i2c->pen_detect_gpio);  in wacom_i2c_resume()
278 		gpio_direction_output(wac_i2c->reset_gpio, 1);  in wacom_i2c_resume()
279 		ret = regulator_enable(wac_i2c->supply);  in wacom_i2c_resume()
281 			dev_err(&wac_i2c->client->dev, "failed to enable wacom power supply\n");  in wacom_i2c_resume()
283 	enable_irq(wac_i2c->client->irq);  in wacom_i2c_resume()
291 	struct wacom_i2c *wac_i2c;  in wacom_i2c_probe()  local
329 	wac_i2c = kzalloc(sizeof(*wac_i2c), GFP_KERNEL);  in wacom_i2c_probe()
331 	if (!wac_i2c || !input) {  in wacom_i2c_probe()
337 		wac_i2c->supply = power_supply;  in wacom_i2c_probe()
339 	wac_i2c->reset_gpio = of_get_named_gpio(wac_np, "gpio_rst", 0);  in wacom_i2c_probe()
340 	if (!gpio_is_valid(wac_i2c->reset_gpio)) {  in wacom_i2c_probe()
345 	error = devm_gpio_request_one(&client->dev, wac_i2c->reset_gpio, GPIOF_OUT_INIT_LOW, "gpio-rst");  in wacom_i2c_probe()
349 	gpio_direction_output(wac_i2c->reset_gpio, 0);  in wacom_i2c_probe()
351 	gpio_direction_output(wac_i2c->reset_gpio, 1);  in wacom_i2c_probe()
353 	wac_i2c->pen_detect_gpio = of_get_named_gpio(wac_np, "gpio_detect", 0);  in wacom_i2c_probe()
354 	if (!gpio_is_valid(wac_i2c->pen_detect_gpio)) {  in wacom_i2c_probe()
358 	error = devm_gpio_request_one(&client->dev, wac_i2c->pen_detect_gpio, GPIOF_IN, "gpio_detect");  in wacom_i2c_probe()
363 	wac_i2c->irq_gpio = of_get_named_gpio(wac_np, "gpio_intr", 0);  in wacom_i2c_probe()
364 	if (!gpio_is_valid(wac_i2c->irq_gpio)) {  in wacom_i2c_probe()
369 	error = devm_gpio_request_one(&client->dev, wac_i2c->irq_gpio, GPIOF_IN, "gpio_intr");  in wacom_i2c_probe()
374 	client->irq = gpio_to_irq(wac_i2c->irq_gpio);  in wacom_i2c_probe()
376 …dev_err(&client->dev, "Unable to get irq number for GPIO %d, error %d\n", wac_i2c->irq_gpio, clien…  in wacom_i2c_probe()
380 	wac_i2c->features = &features;  in wacom_i2c_probe()
381 	wac_i2c->client = client;  in wacom_i2c_probe()
382 	wac_i2c->input = input;  in wacom_i2c_probe()
407 	input_set_drvdata(input, wac_i2c);  in wacom_i2c_probe()
411 				     "wacom", wac_i2c);  in wacom_i2c_probe()
421 	error = input_register_device(wac_i2c->input);  in wacom_i2c_probe()
431 	wac_i2c->tp.tp_resume = wacom_i2c_resume;  in wacom_i2c_probe()
432 	wac_i2c->tp.tp_suspend = wacom_i2c_suspend;  in wacom_i2c_probe()
433 	tp_register_fb(&wac_i2c->tp);  in wacom_i2c_probe()
434 	i2c_set_clientdata(client, wac_i2c);  in wacom_i2c_probe()
439 	free_irq(client->irq, wac_i2c);  in wacom_i2c_probe()
445 	kfree(wac_i2c);  in wacom_i2c_probe()
452 	struct wacom_i2c *wac_i2c = i2c_get_clientdata(client);  in wacom_i2c_remove()  local
454 	free_irq(client->irq, wac_i2c);  in wacom_i2c_remove()
455 	input_unregister_device(wac_i2c->input);  in wacom_i2c_remove()
456 	kfree(wac_i2c);  in wacom_i2c_remove()