272 static void set_select(struct tca6507_chip *tca, int led, int val)  in set_select()  argument
278 		int n = tca->reg_file[bit] & ~mask;  in set_select()
281 		if (tca->reg_file[bit] != n) {  in set_select()
282 			tca->reg_file[bit] = n;  in set_select()
283 			tca->reg_set |= (1 << bit);  in set_select()
292 static void set_code(struct tca6507_chip *tca, int reg, int bank, int new)  in set_code()  argument
300 	n = tca->reg_file[reg] & ~mask;  in set_code()
302 	if (tca->reg_file[reg] != n) {  in set_code()
303 		tca->reg_file[reg] = n;  in set_code()
304 		tca->reg_set |= 1 << reg;  in set_code()
309 static void set_level(struct tca6507_chip *tca, int bank, int level)  in set_level()  argument
314 		set_code(tca, TCA6507_MAX_INTENSITY, bank, level);  in set_level()
317 		set_code(tca, TCA6507_MASTER_INTENSITY, 0, level);  in set_level()
320 	tca->bank[bank].level = level;  in set_level()
324 static void set_times(struct tca6507_chip *tca, int bank)  in set_times()  argument
329 	result = choose_times(tca->bank[bank].ontime, &c1, &c2);  in set_times()
330 	dev_dbg(&tca->client->dev,  in set_times()
333 		c2, time_codes[c2], tca->bank[bank].ontime);  in set_times()
334 	set_code(tca, TCA6507_FADE_ON, bank, c2);  in set_times()
335 	set_code(tca, TCA6507_FULL_ON, bank, c1);  in set_times()
336 	tca->bank[bank].ontime = result;  in set_times()
338 	result = choose_times(tca->bank[bank].offtime, &c1, &c2);  in set_times()
339 	dev_dbg(&tca->client->dev,  in set_times()
342 		c2, time_codes[c2], tca->bank[bank].offtime);  in set_times()
343 	set_code(tca, TCA6507_FADE_OFF, bank, c2);  in set_times()
344 	set_code(tca, TCA6507_FIRST_OFF, bank, c1);  in set_times()
345 	set_code(tca, TCA6507_SECOND_OFF, bank, c1);  in set_times()
346 	tca->bank[bank].offtime = result;  in set_times()
348 	set_code(tca, TCA6507_INITIALIZE, bank, INIT_CODE);  in set_times()
355 	struct tca6507_chip *tca = container_of(work, struct tca6507_chip,  in tca6507_work()  local
357 	struct i2c_client *cl = tca->client;  in tca6507_work()
362 	spin_lock_irq(&tca->lock);  in tca6507_work()
363 	set = tca->reg_set;  in tca6507_work()
364 	memcpy(file, tca->reg_file, TCA6507_REG_CNT);  in tca6507_work()
365 	tca->reg_set = 0;  in tca6507_work()
366 	spin_unlock_irq(&tca->lock);  in tca6507_work()
376 	struct tca6507_chip *tca = led->chip;  in led_release()  local
378 		struct bank *b = tca->bank + led->bank;  in led_release()
392 	struct tca6507_chip *tca = led->chip;  in led_prepare()  local
400 		set_select(tca, led->num, TCA6507_LS_LED_OFF);  in led_prepare()
415 			set_select(tca, led->num, TCA6507_LS_LED_ON);  in led_prepare()
421 			if (tca->bank[i].level == level ||  in led_prepare()
422 			    tca->bank[i].level_use == 0) {  in led_prepare()
426 			d = abs(level - tca->bank[i].level);  in led_prepare()
434 			set_select(tca, led->num, TCA6507_LS_LED_ON);  in led_prepare()
439 		if (!tca->bank[best].level_use)  in led_prepare()
440 			set_level(tca, best, level);  in led_prepare()
442 		tca->bank[best].level_use++;  in led_prepare()
444 		set_select(tca, led->num, bank_source[best]);  in led_prepare()
445 		led->led_cdev.brightness = TO_BRIGHT(tca->bank[best].level);  in led_prepare()
460 		if (tca->bank[i].level_use == 0)  in led_prepare()
463 		if (tca->bank[i].level != level)  in led_prepare()
470 		if (tca->bank[i].time_use == 0)  in led_prepare()
474 		if (!(tca->bank[i].on_dflt ||  in led_prepare()
476 		      tca->bank[i].ontime == led->ontime))  in led_prepare()
480 		if (!(tca->bank[i].off_dflt ||  in led_prepare()
482 		      tca->bank[i].offtime == led->offtime))  in led_prepare()
494 	b = &tca->bank[i];  in led_prepare()
496 		set_level(tca, i, level);  in led_prepare()
517 		set_times(tca, i);  in led_prepare()
525 	set_select(tca, led->num, blink_source[i]);  in led_prepare()
531 	struct tca6507_chip *tca = led->chip;  in led_assign()  local
535 	spin_lock_irqsave(&tca->lock, flags);  in led_assign()
547 	spin_unlock_irqrestore(&tca->lock, flags);  in led_assign()
549 	if (tca->reg_set)  in led_assign()
550 		schedule_work(&tca->work);  in led_assign()
606 	struct tca6507_chip *tca = container_of(gc, struct tca6507_chip, gpio);  in tca6507_gpio_set_value()  local
609 	spin_lock_irqsave(&tca->lock, flags);  in tca6507_gpio_set_value()
614 	set_select(tca, tca->gpio_map[offset],  in tca6507_gpio_set_value()
616 	spin_unlock_irqrestore(&tca->lock, flags);  in tca6507_gpio_set_value()
617 	if (tca->reg_set)  in tca6507_gpio_set_value()
618 		schedule_work(&tca->work);  in tca6507_gpio_set_value()
629 			       struct tca6507_chip *tca,  in tca6507_probe_gpios()  argument
639 			tca->gpio_name[gpios] = pdata->leds.leds[i].name;  in tca6507_probe_gpios()
640 			tca->gpio_map[gpios] = i;  in tca6507_probe_gpios()
647 	tca->gpio.label = "gpio-tca6507";  in tca6507_probe_gpios()
648 	tca->gpio.names = tca->gpio_name;  in tca6507_probe_gpios()
649 	tca->gpio.ngpio = gpios;  in tca6507_probe_gpios()
650 	tca->gpio.base = pdata->gpio_base;  in tca6507_probe_gpios()
651 	tca->gpio.owner = THIS_MODULE;  in tca6507_probe_gpios()
652 	tca->gpio.direction_output = tca6507_gpio_direction_output;  in tca6507_probe_gpios()
653 	tca->gpio.set = tca6507_gpio_set_value;  in tca6507_probe_gpios()
654 	tca->gpio.dev = &client->dev;  in tca6507_probe_gpios()
656 	tca->gpio.of_node = of_node_get(client->dev.of_node);  in tca6507_probe_gpios()
658 	err = gpiochip_add(&tca->gpio);  in tca6507_probe_gpios()
660 		tca->gpio.ngpio = 0;  in tca6507_probe_gpios()
664 		pdata->setup(tca->gpio.base, tca->gpio.ngpio);  in tca6507_probe_gpios()
668 static void tca6507_remove_gpio(struct tca6507_chip *tca)  in tca6507_remove_gpio()  argument
670 	if (tca->gpio.ngpio)  in tca6507_remove_gpio()
671 		gpiochip_remove(&tca->gpio);  in tca6507_remove_gpio()
675 			       struct tca6507_chip *tca,  in tca6507_probe_gpios()  argument
680 static void tca6507_remove_gpio(struct tca6507_chip *tca)  in tca6507_remove_gpio()  argument
752 	struct tca6507_chip *tca;  in tca6507_probe()  local
772 	tca = devm_kzalloc(&client->dev, sizeof(*tca), GFP_KERNEL);  in tca6507_probe()
773 	if (!tca)  in tca6507_probe()
776 	tca->client = client;  in tca6507_probe()
777 	INIT_WORK(&tca->work, tca6507_work);  in tca6507_probe()
778 	spin_lock_init(&tca->lock);  in tca6507_probe()
779 	i2c_set_clientdata(client, tca);  in tca6507_probe()
782 		struct tca6507_led *l = tca->leds + i;  in tca6507_probe()
784 		l->chip = tca;  in tca6507_probe()
799 	err = tca6507_probe_gpios(client, tca, pdata);  in tca6507_probe()
803 	tca->reg_set = 0x7f;  in tca6507_probe()
804 	schedule_work(&tca->work);  in tca6507_probe()
809 		if (tca->leds[i].led_cdev.name)  in tca6507_probe()
810 			led_classdev_unregister(&tca->leds[i].led_cdev);  in tca6507_probe()
818 	struct tca6507_chip *tca = i2c_get_clientdata(client);  in tca6507_remove()  local
819 	struct tca6507_led *tca_leds = tca->leds;  in tca6507_remove()
825 	tca6507_remove_gpio(tca);  in tca6507_remove()
826 	cancel_work_sync(&tca->work);  in tca6507_remove()