117 	struct i2c_client	*client;  member
144 	struct i2c_client *client = ts->client;  in zforce_command()  local
148 	dev_dbg(&client->dev, "%s: 0x%x\n", __func__, cmd);  in zforce_command()
155 	ret = i2c_master_send(client, &buf[0], ARRAY_SIZE(buf));  in zforce_command()
158 		dev_err(&client->dev, "i2c send data request error: %d\n", ret);  in zforce_command()
167 	struct i2c_client *client = ts->client;  in zforce_send_wait()  local
172 		dev_err(&client->dev, "already waiting for a command\n");  in zforce_send_wait()
176 	dev_dbg(&client->dev, "sending %d bytes for command 0x%x\n",  in zforce_send_wait()
182 	ret = i2c_master_send(client, buf, len);  in zforce_send_wait()
185 		dev_err(&client->dev, "i2c send data request error: %d\n", ret);  in zforce_send_wait()
189 	dev_dbg(&client->dev, "waiting for result for command 0x%x\n", buf[2]);  in zforce_send_wait()
205 	struct i2c_client *client = ts->client;  in zforce_command_wait()  local
209 	dev_dbg(&client->dev, "%s: 0x%x\n", __func__, cmd);  in zforce_command_wait()
217 		dev_err(&client->dev, "i2c send data request error: %d\n", ret);  in zforce_command_wait()
226 	struct i2c_client *client = ts->client;  in zforce_resolution()  local
231 	dev_dbg(&client->dev, "set resolution to (%d,%d)\n", x, y);  in zforce_resolution()
239 	struct i2c_client *client = ts->client;  in zforce_scan_frequency()  local
245 	dev_dbg(&client->dev,  in zforce_scan_frequency()
254 	struct i2c_client *client = ts->client;  in zforce_setconfig()  local
258 	dev_dbg(&client->dev, "set config to (%d)\n", b1);  in zforce_setconfig()
265 	struct i2c_client *client = ts->client;  in zforce_start()  local
269 	dev_dbg(&client->dev, "starting device\n");  in zforce_start()
273 		dev_err(&client->dev, "Unable to initialize, %d\n", ret);  in zforce_start()
279 		dev_err(&client->dev, "Unable to set resolution, %d\n", ret);  in zforce_start()
285 		dev_err(&client->dev, "Unable to set scan frequency, %d\n",  in zforce_start()
292 		dev_err(&client->dev, "Unable to set config\n");  in zforce_start()
299 		dev_err(&client->dev, "Unable to request data\n");  in zforce_start()
318 	struct i2c_client *client = ts->client;  in zforce_stop()  local
321 	dev_dbg(&client->dev, "stopping device\n");  in zforce_stop()
326 		dev_err(&client->dev, "could not deactivate device, %d\n",  in zforce_stop()
336 	struct i2c_client *client = ts->client;  in zforce_touch_event()  local
343 		dev_warn(&client->dev,  in zforce_touch_event()
357 			dev_warn(&client->dev, "coordinates (%d,%d) invalid\n",  in zforce_touch_event()
375 		dev_dbg(&client->dev,  in zforce_touch_event()
415 	struct i2c_client *client = ts->client;  in zforce_read_packet()  local
421 	ret = i2c_master_recv(client, buf, 2);  in zforce_read_packet()
423 		dev_err(&client->dev, "error reading header: %d\n", ret);  in zforce_read_packet()
428 		dev_err(&client->dev, "invalid frame start: %d\n", buf[0]);  in zforce_read_packet()
434 		dev_err(&client->dev, "invalid payload length: %d\n",  in zforce_read_packet()
441 	ret = i2c_master_recv(client, &buf[PAYLOAD_BODY], buf[PAYLOAD_LENGTH]);  in zforce_read_packet()
443 		dev_err(&client->dev, "error reading payload: %d\n", ret);  in zforce_read_packet()
447 	dev_dbg(&client->dev, "read %d bytes for response command 0x%x\n",  in zforce_read_packet()
457 	struct i2c_client *client = ts->client;  in zforce_complete()  local
460 		dev_dbg(&client->dev, "completing command 0x%x\n", cmd);  in zforce_complete()
464 		dev_dbg(&client->dev, "command %d not for us\n", cmd);  in zforce_complete()
471 	struct i2c_client *client = ts->client;  in zforce_irq()  local
473 	if (ts->suspended && device_may_wakeup(&client->dev))  in zforce_irq()
474 		pm_wakeup_event(&client->dev, 500);  in zforce_irq()
482 	struct i2c_client *client = ts->client;  in zforce_irq_thread()  local
497 	dev_dbg(&client->dev, "handling interrupt\n");  in zforce_irq_thread()
500 	if (!ts->suspending && device_may_wakeup(&client->dev))  in zforce_irq_thread()
501 		pm_stay_awake(&client->dev);  in zforce_irq_thread()
506 			dev_err(&client->dev,  in zforce_irq_thread()
519 			if (ts->suspending && device_may_wakeup(&client->dev))  in zforce_irq_thread()
520 				pm_wakeup_event(&client->dev, 500);  in zforce_irq_thread()
551 			dev_dbg(&ts->client->dev,  in zforce_irq_thread()
560 			dev_err(&ts->client->dev, "invalid command: 0x%x\n",  in zforce_irq_thread()
565 			dev_err(&ts->client->dev,  in zforce_irq_thread()
572 	if (!ts->suspending && device_may_wakeup(&client->dev))  in zforce_irq_thread()
573 		pm_relax(&client->dev);  in zforce_irq_thread()
575 	dev_dbg(&client->dev, "finished interrupt\n");  in zforce_irq_thread()
595 	struct i2c_client *client = ts->client;  in zforce_input_close()  local
600 		dev_warn(&client->dev, "stopping zforce failed\n");  in zforce_input_close()
607 	struct i2c_client *client = to_i2c_client(dev);  in zforce_suspend()  local
608 	struct zforce_ts *ts = i2c_get_clientdata(client);  in zforce_suspend()
619 	if (device_may_wakeup(&client->dev)) {  in zforce_suspend()
620 		dev_dbg(&client->dev, "suspend while being a wakeup source\n");  in zforce_suspend()
629 		enable_irq_wake(client->irq);  in zforce_suspend()
631 		dev_dbg(&client->dev,  in zforce_suspend()
638 		disable_irq(client->irq);  in zforce_suspend()
652 	struct i2c_client *client = to_i2c_client(dev);  in zforce_resume()  local
653 	struct zforce_ts *ts = i2c_get_clientdata(client);  in zforce_resume()
661 	if (device_may_wakeup(&client->dev)) {  in zforce_resume()
662 		dev_dbg(&client->dev, "resume from being a wakeup source\n");  in zforce_resume()
664 		disable_irq_wake(client->irq);  in zforce_resume()
673 		dev_dbg(&client->dev, "resume without being a wakeup source\n");  in zforce_resume()
675 		enable_irq(client->irq);  in zforce_resume()
741 static int zforce_probe(struct i2c_client *client,  in zforce_probe()  argument
744 	const struct zforce_ts_platdata *pdata = dev_get_platdata(&client->dev);  in zforce_probe()
750 		pdata = zforce_parse_dt(&client->dev);  in zforce_probe()
755 	ts = devm_kzalloc(&client->dev, sizeof(struct zforce_ts), GFP_KERNEL);  in zforce_probe()
759 	ret = devm_gpio_request_one(&client->dev, pdata->gpio_int, GPIOF_IN,  in zforce_probe()
762 		dev_err(&client->dev, "request of gpio %d failed, %d\n",  in zforce_probe()
767 	ret = devm_gpio_request_one(&client->dev, pdata->gpio_rst,  in zforce_probe()
770 		dev_err(&client->dev, "request of gpio %d failed, %d\n",  in zforce_probe()
775 	ts->reg_vdd = devm_regulator_get_optional(&client->dev, "vdd");  in zforce_probe()
792 	ret = devm_add_action(&client->dev, zforce_reset, ts);  in zforce_probe()
794 		dev_err(&client->dev, "failed to register reset action, %d\n",  in zforce_probe()
805 		 "%s/input0", dev_name(&client->dev));  in zforce_probe()
807 	input_dev = devm_input_allocate_device(&client->dev);  in zforce_probe()
809 		dev_err(&client->dev, "could not allocate input device\n");  in zforce_probe()
817 	ts->client = client;  in zforce_probe()
855 	ret = devm_request_threaded_irq(&client->dev, client->irq,  in zforce_probe()
860 		dev_err(&client->dev, "irq %d request failed\n", client->irq);  in zforce_probe()
864 	i2c_set_clientdata(client, ts);  in zforce_probe()
871 		dev_warn(&client->dev, "bootcomplete timed out\n");  in zforce_probe()
876 		dev_err(&client->dev, "unable to initialize, %d\n", ret);  in zforce_probe()
883 		dev_err(&client->dev, "couldn't get status, %d\n", ret);  in zforce_probe()
893 	device_set_wakeup_capable(&client->dev, true);  in zforce_probe()
897 		dev_err(&client->dev, "could not register input device, %d\n",  in zforce_probe()