231 static inline void set_scan_rate(struct synaptics_i2c *touch, int scan_rate)  in set_scan_rate()  argument
233 	touch->scan_ms = MSEC_PER_SEC / scan_rate;  in set_scan_rate()
234 	touch->scan_rate_param = scan_rate;  in set_scan_rate()
336 static bool synaptics_i2c_get_input(struct synaptics_i2c *touch)  in synaptics_i2c_get_input()  argument
338 	struct input_dev *input = touch->input;  in synaptics_i2c_get_input()
344 	if (synaptics_i2c_check_error(touch->client))  in synaptics_i2c_get_input()
348 	data = synaptics_i2c_reg_get(touch->client, DATA_REG0);  in synaptics_i2c_get_input()
355 	xy_delta = synaptics_i2c_word_get(touch->client, REL_X_REG) & 0xffff;  in synaptics_i2c_get_input()
372 static void synaptics_i2c_reschedule_work(struct synaptics_i2c *touch,  in synaptics_i2c_reschedule_work()  argument
377 	spin_lock_irqsave(&touch->lock, flags);  in synaptics_i2c_reschedule_work()
379 	mod_delayed_work(system_wq, &touch->dwork, delay);  in synaptics_i2c_reschedule_work()
381 	spin_unlock_irqrestore(&touch->lock, flags);  in synaptics_i2c_reschedule_work()
386 	struct synaptics_i2c *touch = dev_id;  in synaptics_i2c_irq()  local
388 	synaptics_i2c_reschedule_work(touch, 0);  in synaptics_i2c_irq()
393 static void synaptics_i2c_check_params(struct synaptics_i2c *touch)  in synaptics_i2c_check_params()  argument
397 	if (scan_rate != touch->scan_rate_param)  in synaptics_i2c_check_params()
398 		set_scan_rate(touch, scan_rate);  in synaptics_i2c_check_params()
400 	if (no_decel != touch->no_decel_param) {  in synaptics_i2c_check_params()
401 		touch->no_decel_param = no_decel;  in synaptics_i2c_check_params()
405 	if (no_filter != touch->no_filter_param) {  in synaptics_i2c_check_params()
406 		touch->no_filter_param = no_filter;  in synaptics_i2c_check_params()
410 	if (reduce_report != touch->reduce_report_param) {  in synaptics_i2c_check_params()
411 		touch->reduce_report_param = reduce_report;  in synaptics_i2c_check_params()
416 		synaptics_i2c_reset_config(touch->client);  in synaptics_i2c_check_params()
420 static unsigned long synaptics_i2c_adjust_delay(struct synaptics_i2c *touch,  in synaptics_i2c_adjust_delay()  argument
426 		delay = touch->scan_ms;  in synaptics_i2c_adjust_delay()
428 			touch->no_data_count = 0;  in synaptics_i2c_adjust_delay()
430 			nodata_count_thres = NO_DATA_THRES / touch->scan_ms;  in synaptics_i2c_adjust_delay()
431 			if (touch->no_data_count < nodata_count_thres)  in synaptics_i2c_adjust_delay()
432 				touch->no_data_count++;  in synaptics_i2c_adjust_delay()
447 	struct synaptics_i2c *touch =  in synaptics_i2c_work_handler()  local
451 	synaptics_i2c_check_params(touch);  in synaptics_i2c_work_handler()
453 	have_data = synaptics_i2c_get_input(touch);  in synaptics_i2c_work_handler()
454 	delay = synaptics_i2c_adjust_delay(touch, have_data);  in synaptics_i2c_work_handler()
464 	synaptics_i2c_reschedule_work(touch, delay);  in synaptics_i2c_work_handler()
469 	struct synaptics_i2c *touch = input_get_drvdata(input);  in synaptics_i2c_open()  local
472 	ret = synaptics_i2c_reset_config(touch->client);  in synaptics_i2c_open()
477 		synaptics_i2c_reschedule_work(touch,  in synaptics_i2c_open()
485 	struct synaptics_i2c *touch = input_get_drvdata(input);  in synaptics_i2c_close()  local
488 		synaptics_i2c_reg_set(touch->client, INTERRUPT_EN_REG, 0);  in synaptics_i2c_close()
490 	cancel_delayed_work_sync(&touch->dwork);  in synaptics_i2c_close()
493 	synaptics_i2c_reg_set(touch->client, DEV_CONTROL_REG, DEEP_SLEEP);  in synaptics_i2c_close()
496 static void synaptics_i2c_set_input_params(struct synaptics_i2c *touch)  in synaptics_i2c_set_input_params()  argument
498 	struct input_dev *input = touch->input;  in synaptics_i2c_set_input_params()
500 	input->name = touch->client->name;  in synaptics_i2c_set_input_params()
501 	input->phys = touch->client->adapter->name;  in synaptics_i2c_set_input_params()
503 	input->id.version = synaptics_i2c_word_get(touch->client,  in synaptics_i2c_set_input_params()
505 	input->dev.parent = &touch->client->dev;  in synaptics_i2c_set_input_params()
508 	input_set_drvdata(input, touch);  in synaptics_i2c_set_input_params()
522 	struct synaptics_i2c *touch;  in synaptics_i2c_touch_create()  local
524 	touch = kzalloc(sizeof(struct synaptics_i2c), GFP_KERNEL);  in synaptics_i2c_touch_create()
525 	if (!touch)  in synaptics_i2c_touch_create()
528 	touch->client = client;  in synaptics_i2c_touch_create()
529 	touch->no_decel_param = no_decel;  in synaptics_i2c_touch_create()
530 	touch->scan_rate_param = scan_rate;  in synaptics_i2c_touch_create()
531 	set_scan_rate(touch, scan_rate);  in synaptics_i2c_touch_create()
532 	INIT_DELAYED_WORK(&touch->dwork, synaptics_i2c_work_handler);  in synaptics_i2c_touch_create()
533 	spin_lock_init(&touch->lock);  in synaptics_i2c_touch_create()
535 	return touch;  in synaptics_i2c_touch_create()
542 	struct synaptics_i2c *touch;  in synaptics_i2c_probe()  local
544 	touch = synaptics_i2c_touch_create(client);  in synaptics_i2c_probe()
545 	if (!touch)  in synaptics_i2c_probe()
555 	touch->input = input_allocate_device();  in synaptics_i2c_probe()
556 	if (!touch->input) {  in synaptics_i2c_probe()
561 	synaptics_i2c_set_input_params(touch);  in synaptics_i2c_probe()
564 		dev_dbg(&touch->client->dev,  in synaptics_i2c_probe()
565 			 "Requesting IRQ: %d\n", touch->client->irq);  in synaptics_i2c_probe()
567 		ret = request_irq(touch->client->irq, synaptics_i2c_irq,  in synaptics_i2c_probe()
569 				  DRIVER_NAME, touch);  in synaptics_i2c_probe()
571 			dev_warn(&touch->client->dev,  in synaptics_i2c_probe()
575 			synaptics_i2c_reg_set(touch->client,  in synaptics_i2c_probe()
581 		dev_dbg(&touch->client->dev,  in synaptics_i2c_probe()
585 	ret = input_register_device(touch->input);  in synaptics_i2c_probe()
592 	i2c_set_clientdata(client, touch);  in synaptics_i2c_probe()
597 	input_free_device(touch->input);  in synaptics_i2c_probe()
599 	kfree(touch);  in synaptics_i2c_probe()
606 	struct synaptics_i2c *touch = i2c_get_clientdata(client);  in synaptics_i2c_remove()  local
609 		free_irq(client->irq, touch);  in synaptics_i2c_remove()
611 	input_unregister_device(touch->input);  in synaptics_i2c_remove()
612 	kfree(touch);  in synaptics_i2c_remove()
620 	struct synaptics_i2c *touch = i2c_get_clientdata(client);  in synaptics_i2c_suspend()  local
622 	cancel_delayed_work_sync(&touch->dwork);  in synaptics_i2c_suspend()
625 	synaptics_i2c_reg_set(touch->client, DEV_CONTROL_REG, DEEP_SLEEP);  in synaptics_i2c_suspend()
634 	struct synaptics_i2c *touch = i2c_get_clientdata(client);  in synaptics_i2c_resume()  local
640 	synaptics_i2c_reschedule_work(touch,  in synaptics_i2c_resume()