115 	struct i2c_client	*client;  member
145 	struct i2c_client *client = ts->client;  in zforce_command()  local
149 	dev_dbg(&client->dev, "%s: 0x%x\n", __func__, cmd);  in zforce_command()
156 	ret = i2c_master_send(client, &buf[0], ARRAY_SIZE(buf));  in zforce_command()
159 		dev_err(&client->dev, "i2c send data request error: %d\n", ret);  in zforce_command()
178 	struct i2c_client *client = ts->client;  in zforce_send_wait()  local
183 		dev_err(&client->dev, "already waiting for a command\n");  in zforce_send_wait()
187 	dev_dbg(&client->dev, "sending %d bytes for command 0x%x\n",  in zforce_send_wait()
193 	ret = i2c_master_send(client, buf, len);  in zforce_send_wait()
196 		dev_err(&client->dev, "i2c send data request error: %d\n", ret);  in zforce_send_wait()
200 	dev_dbg(&client->dev, "waiting for result for command 0x%x\n", buf[2]);  in zforce_send_wait()
216 	struct i2c_client *client = ts->client;  in zforce_command_wait()  local
220 	dev_dbg(&client->dev, "%s: 0x%x\n", __func__, cmd);  in zforce_command_wait()
228 		dev_err(&client->dev, "i2c send data request error: %d\n", ret);  in zforce_command_wait()
237 	struct i2c_client *client = ts->client;  in zforce_resolution()  local
242 	dev_dbg(&client->dev, "set resolution to (%d,%d)\n", x, y);  in zforce_resolution()
250 	struct i2c_client *client = ts->client;  in zforce_scan_frequency()  local
256 	dev_dbg(&client->dev,  in zforce_scan_frequency()
265 	struct i2c_client *client = ts->client;  in zforce_setconfig()  local
269 	dev_dbg(&client->dev, "set config to (%d)\n", b1);  in zforce_setconfig()
276 	struct i2c_client *client = ts->client;  in zforce_start()  local
280 	dev_dbg(&client->dev, "starting device\n");  in zforce_start()
284 		dev_err(&client->dev, "Unable to initialize, %d\n", ret);  in zforce_start()
290 		dev_err(&client->dev, "Unable to set resolution, %d\n", ret);  in zforce_start()
296 		dev_err(&client->dev, "Unable to set scan frequency, %d\n",  in zforce_start()
303 		dev_err(&client->dev, "Unable to set config\n");  in zforce_start()
310 		dev_err(&client->dev, "Unable to request data\n");  in zforce_start()
329 	struct i2c_client *client = ts->client;  in zforce_stop()  local
332 	dev_dbg(&client->dev, "stopping device\n");  in zforce_stop()
337 		dev_err(&client->dev, "could not deactivate device, %d\n",  in zforce_stop()
347 	struct i2c_client *client = ts->client;  in zforce_touch_event()  local
354 		dev_warn(&client->dev,  in zforce_touch_event()
368 			dev_warn(&client->dev, "coordinates (%d,%d) invalid\n",  in zforce_touch_event()
386 		dev_dbg(&client->dev,  in zforce_touch_event()
426 	struct i2c_client *client = ts->client;  in zforce_read_packet()  local
432 	ret = i2c_master_recv(client, buf, 2);  in zforce_read_packet()
434 		dev_err(&client->dev, "error reading header: %d\n", ret);  in zforce_read_packet()
439 		dev_err(&client->dev, "invalid frame start: %d\n", buf[0]);  in zforce_read_packet()
445 		dev_err(&client->dev, "invalid payload length: %d\n",  in zforce_read_packet()
452 	ret = i2c_master_recv(client, &buf[PAYLOAD_BODY], buf[PAYLOAD_LENGTH]);  in zforce_read_packet()
454 		dev_err(&client->dev, "error reading payload: %d\n", ret);  in zforce_read_packet()
458 	dev_dbg(&client->dev, "read %d bytes for response command 0x%x\n",  in zforce_read_packet()
468 	struct i2c_client *client = ts->client;  in zforce_complete()  local
471 		dev_dbg(&client->dev, "completing command 0x%x\n", cmd);  in zforce_complete()
475 		dev_dbg(&client->dev, "command %d not for us\n", cmd);  in zforce_complete()
482 	struct i2c_client *client = ts->client;  in zforce_irq()  local
484 	if (ts->suspended && device_may_wakeup(&client->dev))  in zforce_irq()
485 		pm_wakeup_event(&client->dev, 500);  in zforce_irq()
493 	struct i2c_client *client = ts->client;  in zforce_irq_thread()  local
507 	dev_dbg(&client->dev, "handling interrupt\n");  in zforce_irq_thread()
510 	if (!ts->suspending && device_may_wakeup(&client->dev))  in zforce_irq_thread()
511 		pm_stay_awake(&client->dev);  in zforce_irq_thread()
525 			dev_err(&client->dev,  in zforce_irq_thread()
538 			if (ts->suspending && device_may_wakeup(&client->dev))  in zforce_irq_thread()
539 				pm_wakeup_event(&client->dev, 500);  in zforce_irq_thread()
570 			dev_dbg(&ts->client->dev,  in zforce_irq_thread()
579 			dev_err(&ts->client->dev, "invalid command: 0x%x\n",  in zforce_irq_thread()
584 			dev_err(&ts->client->dev,  in zforce_irq_thread()
591 	if (!ts->suspending && device_may_wakeup(&client->dev))  in zforce_irq_thread()
592 		pm_relax(&client->dev);  in zforce_irq_thread()
594 	dev_dbg(&client->dev, "finished interrupt\n");  in zforce_irq_thread()
609 	struct i2c_client *client = ts->client;  in zforce_input_close()  local
614 		dev_warn(&client->dev, "stopping zforce failed\n");  in zforce_input_close()
621 	struct i2c_client *client = to_i2c_client(dev);  in zforce_suspend()  local
622 	struct zforce_ts *ts = i2c_get_clientdata(client);  in zforce_suspend()
633 	if (device_may_wakeup(&client->dev)) {  in zforce_suspend()
634 		dev_dbg(&client->dev, "suspend while being a wakeup source\n");  in zforce_suspend()
643 		enable_irq_wake(client->irq);  in zforce_suspend()
645 		dev_dbg(&client->dev,  in zforce_suspend()
652 		disable_irq(client->irq);  in zforce_suspend()
666 	struct i2c_client *client = to_i2c_client(dev);  in zforce_resume()  local
667 	struct zforce_ts *ts = i2c_get_clientdata(client);  in zforce_resume()
675 	if (device_may_wakeup(&client->dev)) {  in zforce_resume()
676 		dev_dbg(&client->dev, "resume from being a wakeup source\n");  in zforce_resume()
678 		disable_irq_wake(client->irq);  in zforce_resume()
687 		dev_dbg(&client->dev, "resume without being a wakeup source\n");  in zforce_resume()
689 		enable_irq(client->irq);  in zforce_resume()
743 static int zforce_probe(struct i2c_client *client,  in zforce_probe()  argument
746 	const struct zforce_ts_platdata *pdata = dev_get_platdata(&client->dev);  in zforce_probe()
752 		pdata = zforce_parse_dt(&client->dev);  in zforce_probe()
757 	ts = devm_kzalloc(&client->dev, sizeof(struct zforce_ts), GFP_KERNEL);  in zforce_probe()
761 	ts->gpio_rst = devm_gpiod_get_optional(&client->dev, "reset",  in zforce_probe()
765 		dev_err(&client->dev,  in zforce_probe()
771 		ts->gpio_int = devm_gpiod_get_optional(&client->dev, "irq",  in zforce_probe()
775 			dev_err(&client->dev,  in zforce_probe()
786 		ts->gpio_int = devm_gpiod_get_index(&client->dev, NULL, 0,  in zforce_probe()
790 			dev_err(&client->dev,  in zforce_probe()
796 		ts->gpio_rst = devm_gpiod_get_index(&client->dev, NULL, 1,  in zforce_probe()
800 			dev_err(&client->dev,  in zforce_probe()
806 	ts->reg_vdd = devm_regulator_get_optional(&client->dev, "vdd");  in zforce_probe()
823 	ret = devm_add_action(&client->dev, zforce_reset, ts);  in zforce_probe()
825 		dev_err(&client->dev, "failed to register reset action, %d\n",  in zforce_probe()
836 		 "%s/input0", dev_name(&client->dev));  in zforce_probe()
838 	input_dev = devm_input_allocate_device(&client->dev);  in zforce_probe()
840 		dev_err(&client->dev, "could not allocate input device\n");  in zforce_probe()
848 	ts->client = client;  in zforce_probe()
886 	ret = devm_request_threaded_irq(&client->dev, client->irq,  in zforce_probe()
891 		dev_err(&client->dev, "irq %d request failed\n", client->irq);  in zforce_probe()
895 	i2c_set_clientdata(client, ts);  in zforce_probe()
902 		dev_warn(&client->dev, "bootcomplete timed out\n");  in zforce_probe()
907 		dev_err(&client->dev, "unable to initialize, %d\n", ret);  in zforce_probe()
914 		dev_err(&client->dev, "couldn't get status, %d\n", ret);  in zforce_probe()
924 	device_set_wakeup_capable(&client->dev, true);  in zforce_probe()
928 		dev_err(&client->dev, "could not register input device, %d\n",  in zforce_probe()