467 static char *find_eos(char *s)  in find_eos()  argument
469 	while (*s && *s != ',')  in find_eos()
470 		s++;  in find_eos()
471 	if (*s)  in find_eos()
472 		s++;  in find_eos()
473 	return s;  in find_eos()
476 static char *parse_uint(char *s, unsigned int *val)  in parse_uint()  argument
479 	if (kstrtoull(s, 10, &res))  in parse_uint()
482 	return find_eos(s);  in parse_uint()
485 static char *parse_string(char *s, char *val, size_t val_size)  in parse_string()  argument
487 	if (*s == '"' || *s == '\'') {  in parse_string()
488 		char c = *s;  in parse_string()
489 		s++;  in parse_string()
490 		while (*s && *s != c) {  in parse_string()
492 				*val++ = *s;  in parse_string()
495 			s++;  in parse_string()
498 		while (*s && *s != ',') {  in parse_string()
500 				*val++ = *s;  in parse_string()
503 			s++;  in parse_string()
507 	if (*s)  in parse_string()
508 		s++;  in parse_string()
509 	return s;  in parse_string()
512 static char *parse_iface(char *s, unsigned int *val)  in parse_iface()  argument
514 	if (!strncasecmp(s, "card", 4))  in parse_iface()
516 	else if (!strncasecmp(s, "mixer", 5))  in parse_iface()
518 	return find_eos(s);  in parse_iface()
532 	char buf2[256], *s, *os;  in set_led_id()  local
540 	s = buf2;  in set_led_id()
541 	while (*s) {  in set_led_id()
542 		os = s;  in set_led_id()
543 		if (!strncasecmp(s, "numid=", 6)) {  in set_led_id()
544 			s = parse_uint(s + 6, &id.numid);  in set_led_id()
545 		} else if (!strncasecmp(s, "iface=", 6)) {  in set_led_id()
546 			s = parse_iface(s + 6, &id.iface);  in set_led_id()
547 		} else if (!strncasecmp(s, "device=", 7)) {  in set_led_id()
548 			s = parse_uint(s + 7, &id.device);  in set_led_id()
549 		} else if (!strncasecmp(s, "subdevice=", 10)) {  in set_led_id()
550 			s = parse_uint(s + 10, &id.subdevice);  in set_led_id()
551 		} else if (!strncasecmp(s, "name=", 5)) {  in set_led_id()
552 			s = parse_string(s + 5, id.name, sizeof(id.name));  in set_led_id()
553 		} else if (!strncasecmp(s, "index=", 6)) {  in set_led_id()
554 			s = parse_uint(s + 6, &id.index);  in set_led_id()
555 		} else if (s == buf2) {  in set_led_id()
556 			while (*s) {  in set_led_id()
557 				if (*s < '0' || *s > '9')  in set_led_id()
559 				s++;  in set_led_id()
561 			if (*s == '\0')  in set_led_id()
564 				for (; *s >= ' '; s++);  in set_led_id()
565 				*s = '\0';  in set_led_id()
570 		if (*s == ',')  in set_led_id()
571 			s++;  in set_led_id()
572 		if (s == os)  in set_led_id()