165 static void bu21029_touch_report(struct bu21029_ts_data *bu21029, const u8 *buf)  in bu21029_touch_report()  argument
169 	s32 max_pressure = input_abs_get_max(bu21029->in_dev, ABS_PRESSURE);  in bu21029_touch_report()
196 		rz *= bu21029->x_plate_ohms;  in bu21029_touch_report()
200 			touchscreen_report_pos(bu21029->in_dev, &bu21029->prop,  in bu21029_touch_report()
202 			input_report_abs(bu21029->in_dev, ABS_PRESSURE,  in bu21029_touch_report()
204 			input_report_key(bu21029->in_dev, BTN_TOUCH, 1);  in bu21029_touch_report()
205 			input_sync(bu21029->in_dev);  in bu21029_touch_report()
212 	struct bu21029_ts_data *bu21029 = from_timer(bu21029, t, timer);  in bu21029_touch_release()  local
214 	input_report_abs(bu21029->in_dev, ABS_PRESSURE, 0);  in bu21029_touch_release()
215 	input_report_key(bu21029->in_dev, BTN_TOUCH, 0);  in bu21029_touch_release()
216 	input_sync(bu21029->in_dev);  in bu21029_touch_release()
221 	struct bu21029_ts_data *bu21029 = data;  in bu21029_touch_soft_irq()  local
229 	error = i2c_smbus_read_i2c_block_data(bu21029->client, BU21029_AUTOSCAN,  in bu21029_touch_soft_irq()
234 	bu21029_touch_report(bu21029, buf);  in bu21029_touch_soft_irq()
237 	mod_timer(&bu21029->timer,  in bu21029_touch_soft_irq()
244 static void bu21029_put_chip_in_reset(struct bu21029_ts_data *bu21029)  in bu21029_put_chip_in_reset()  argument
246 	if (bu21029->reset_gpios) {  in bu21029_put_chip_in_reset()
247 		gpiod_set_value_cansleep(bu21029->reset_gpios, 1);  in bu21029_put_chip_in_reset()
254 	struct bu21029_ts_data *bu21029 = input_get_drvdata(dev);  in bu21029_start_chip()  local
255 	struct i2c_client *i2c = bu21029->client;  in bu21029_start_chip()
269 	error = regulator_enable(bu21029->vdd);  in bu21029_start_chip()
276 	if (bu21029->reset_gpios) {  in bu21029_start_chip()
277 		gpiod_set_value_cansleep(bu21029->reset_gpios, 0);  in bu21029_start_chip()
314 	enable_irq(bu21029->client->irq);  in bu21029_start_chip()
318 	bu21029_put_chip_in_reset(bu21029);  in bu21029_start_chip()
319 	regulator_disable(bu21029->vdd);  in bu21029_start_chip()
325 	struct bu21029_ts_data *bu21029 = input_get_drvdata(dev);  in bu21029_stop_chip()  local
327 	disable_irq(bu21029->client->irq);  in bu21029_stop_chip()
328 	del_timer_sync(&bu21029->timer);  in bu21029_stop_chip()
330 	bu21029_put_chip_in_reset(bu21029);  in bu21029_stop_chip()
331 	regulator_disable(bu21029->vdd);  in bu21029_stop_chip()
337 	struct bu21029_ts_data *bu21029;  in bu21029_probe()  local
350 	bu21029 = devm_kzalloc(&client->dev, sizeof(*bu21029), GFP_KERNEL);  in bu21029_probe()
351 	if (!bu21029)  in bu21029_probe()
355 					 &bu21029->x_plate_ohms);  in bu21029_probe()
362 	bu21029->vdd = devm_regulator_get(&client->dev, "vdd");  in bu21029_probe()
363 	if (IS_ERR(bu21029->vdd)) {  in bu21029_probe()
364 		error = PTR_ERR(bu21029->vdd);  in bu21029_probe()
371 	bu21029->reset_gpios = devm_gpiod_get_optional(&client->dev,  in bu21029_probe()
373 	if (IS_ERR(bu21029->reset_gpios)) {  in bu21029_probe()
374 		error = PTR_ERR(bu21029->reset_gpios);  in bu21029_probe()
387 	bu21029->client = client;  in bu21029_probe()
388 	bu21029->in_dev = in_dev;  in bu21029_probe()
389 	timer_setup(&bu21029->timer, bu21029_touch_release, 0);  in bu21029_probe()
400 	touchscreen_parse_properties(in_dev, false, &bu21029->prop);  in bu21029_probe()
402 	input_set_drvdata(in_dev, bu21029);  in bu21029_probe()
407 					  DRIVER_NAME, bu21029);  in bu21029_probe()
421 	i2c_set_clientdata(client, bu21029);  in bu21029_probe()
429 	struct bu21029_ts_data *bu21029 = i2c_get_clientdata(i2c);  in bu21029_suspend()  local
432 		mutex_lock(&bu21029->in_dev->mutex);  in bu21029_suspend()
433 		if (input_device_enabled(bu21029->in_dev))  in bu21029_suspend()
434 			bu21029_stop_chip(bu21029->in_dev);  in bu21029_suspend()
435 		mutex_unlock(&bu21029->in_dev->mutex);  in bu21029_suspend()
444 	struct bu21029_ts_data *bu21029 = i2c_get_clientdata(i2c);  in bu21029_resume()  local
447 		mutex_lock(&bu21029->in_dev->mutex);  in bu21029_resume()
448 		if (input_device_enabled(bu21029->in_dev))  in bu21029_resume()
449 			bu21029_start_chip(bu21029->in_dev);  in bu21029_resume()
450 		mutex_unlock(&bu21029->in_dev->mutex);  in bu21029_resume()