106 	int card, ctl, err;  in find_controls()  local
151 		for (ctl = 0; ctl < card_data->num_ctls; ctl++) {  in find_controls()
158 			ctl_data->elem = ctl;  in find_controls()
160 								    ctl);  in find_controls()
174 			snd_ctl_elem_list_get_id(card_data->ctls, ctl,  in find_controls()
226 static int wait_for_event(struct ctl_data *ctl, int timeout)  in wait_for_event()  argument
237 		err = poll(&(ctl->card->pollfd), 1, timeout);  in wait_for_event()
240 				       ctl->name, strerror(errno), errno);  in wait_for_event()
247 		err = snd_ctl_poll_descriptors_revents(ctl->card->handle,  in wait_for_event()
248 						       &(ctl->card->pollfd),  in wait_for_event()
252 				       ctl->name, err);  in wait_for_event()
257 				       ctl->name);  in wait_for_event()
266 		err = snd_ctl_read(ctl->card->handle, event);  in wait_for_event()
269 			       ctl->name, err);  in wait_for_event()
279 		if (ev_id != snd_ctl_elem_info_get_numid(ctl->info)) {  in wait_for_event()
287 				       ctl->name);  in wait_for_event()
295 static bool ctl_value_index_valid(struct ctl_data *ctl,  in ctl_value_index_valid()  argument
302 	switch (snd_ctl_elem_info_get_type(ctl->info)) {  in ctl_value_index_valid()
305 			       ctl->name, index);  in ctl_value_index_valid()
316 				       ctl->name, index, int_val);  in ctl_value_index_valid()
324 		if (int_val < snd_ctl_elem_info_get_min(ctl->info)) {  in ctl_value_index_valid()
326 				       ctl->name, index, int_val,  in ctl_value_index_valid()
327 				       snd_ctl_elem_info_get_min(ctl->info));  in ctl_value_index_valid()
331 		if (int_val > snd_ctl_elem_info_get_max(ctl->info)) {  in ctl_value_index_valid()
333 				       ctl->name, index, int_val,  in ctl_value_index_valid()
334 				       snd_ctl_elem_info_get_max(ctl->info));  in ctl_value_index_valid()
339 		if (snd_ctl_elem_info_get_step(ctl->info) &&  in ctl_value_index_valid()
340 		    (int_val - snd_ctl_elem_info_get_min(ctl->info) %  in ctl_value_index_valid()
341 		     snd_ctl_elem_info_get_step(ctl->info))) {  in ctl_value_index_valid()
343 				       ctl->name, index, int_val,  in ctl_value_index_valid()
344 				       snd_ctl_elem_info_get_step(ctl->info),  in ctl_value_index_valid()
345 				       snd_ctl_elem_info_get_min(ctl->info));  in ctl_value_index_valid()
353 		if (int64_val < snd_ctl_elem_info_get_min64(ctl->info)) {  in ctl_value_index_valid()
355 				       ctl->name, index, int64_val,  in ctl_value_index_valid()
356 				       snd_ctl_elem_info_get_min64(ctl->info));  in ctl_value_index_valid()
360 		if (int64_val > snd_ctl_elem_info_get_max64(ctl->info)) {  in ctl_value_index_valid()
362 				       ctl->name, index, int64_val,  in ctl_value_index_valid()
363 				       snd_ctl_elem_info_get_max(ctl->info));  in ctl_value_index_valid()
368 		if (snd_ctl_elem_info_get_step64(ctl->info) &&  in ctl_value_index_valid()
369 		    (int64_val - snd_ctl_elem_info_get_min64(ctl->info)) %  in ctl_value_index_valid()
370 		    snd_ctl_elem_info_get_step64(ctl->info)) {  in ctl_value_index_valid()
372 				       ctl->name, index, int64_val,  in ctl_value_index_valid()
373 				       snd_ctl_elem_info_get_step64(ctl->info),  in ctl_value_index_valid()
374 				       snd_ctl_elem_info_get_min64(ctl->info));  in ctl_value_index_valid()
384 				       ctl->name, index, int_val);  in ctl_value_index_valid()
388 		if (int_val >= snd_ctl_elem_info_get_items(ctl->info)) {  in ctl_value_index_valid()
390 				       ctl->name, index, int_val,  in ctl_value_index_valid()
391 				       snd_ctl_elem_info_get_items(ctl->info));  in ctl_value_index_valid()
408 static bool ctl_value_valid(struct ctl_data *ctl, snd_ctl_elem_value_t *val)  in ctl_value_valid()  argument
413 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++)  in ctl_value_valid()
414 		if (!ctl_value_index_valid(ctl, val, i))  in ctl_value_valid()
424 static void test_ctl_get_value(struct ctl_data *ctl)  in test_ctl_get_value()  argument
429 	if (snd_ctl_elem_info_is_inactive(ctl->info)) {  in test_ctl_get_value()
430 		ksft_print_msg("%s is inactive\n", ctl->name);  in test_ctl_get_value()
432 				      ctl->card->card, ctl->elem);  in test_ctl_get_value()
437 	if (!snd_ctl_elem_info_is_readable(ctl->info)) {  in test_ctl_get_value()
438 		ksft_print_msg("%s is not readable\n", ctl->name);  in test_ctl_get_value()
440 				      ctl->card->card, ctl->elem);  in test_ctl_get_value()
444 	err = snd_ctl_elem_read(ctl->card->handle, ctl->def_val);  in test_ctl_get_value()
451 	if (!ctl_value_valid(ctl, ctl->def_val))  in test_ctl_get_value()
456 			 ctl->card->card, ctl->elem);  in test_ctl_get_value()
469 static void test_ctl_name(struct ctl_data *ctl)  in test_ctl_name()  argument
475 	if (strend(ctl->name, " Switch")) {  in test_ctl_name()
476 		if (snd_ctl_elem_info_get_type(ctl->info) != SND_CTL_ELEM_TYPE_BOOLEAN) {  in test_ctl_name()
478 				       ctl->card->card, ctl->elem, ctl->name);  in test_ctl_name()
484 	if (snd_ctl_elem_info_get_type(ctl->info) == SND_CTL_ELEM_TYPE_BOOLEAN &&  in test_ctl_name()
485 	    snd_ctl_elem_info_is_writable(ctl->info)) {  in test_ctl_name()
486 		if (!strend(ctl->name, " Switch")) {  in test_ctl_name()
488 				       ctl->card->card, ctl->elem, ctl->name);  in test_ctl_name()
494 			 ctl->card->card, ctl->elem);  in test_ctl_name()
497 static bool show_mismatch(struct ctl_data *ctl, int index,  in show_mismatch()  argument
510 	switch (snd_ctl_elem_info_get_type(ctl->info)) {  in show_mismatch()
547 		bool is_volatile = snd_ctl_elem_info_is_volatile(ctl->info);  in show_mismatch()
549 			       ctl->name, index, expected_int, read_int, is_volatile);  in show_mismatch()
562 static int write_and_verify(struct ctl_data *ctl,  in write_and_verify()  argument
588 	if (snd_ctl_elem_info_is_readable(ctl->info)) {  in write_and_verify()
589 		snd_ctl_elem_value_set_id(initial_val, ctl->id);  in write_and_verify()
591 		err = snd_ctl_elem_read(ctl->card->handle, initial_val);  in write_and_verify()
603 	err = snd_ctl_elem_write(ctl->card->handle, w_val);  in write_and_verify()
611 	if (!snd_ctl_elem_info_is_readable(ctl->info))  in write_and_verify()
614 	snd_ctl_elem_value_set_id(read_val, ctl->id);  in write_and_verify()
616 	err = snd_ctl_elem_read(ctl->card->handle, read_val);  in write_and_verify()
630 	if (!snd_ctl_elem_info_is_volatile(ctl->info)) {  in write_and_verify()
631 		err = wait_for_event(ctl, 0);  in write_and_verify()
635 					       ctl->name);  in write_and_verify()
636 				ctl->event_missing++;  in write_and_verify()
641 					       ctl->name);  in write_and_verify()
642 				ctl->event_spurious++;  in write_and_verify()
656 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++)  in write_and_verify()
657 		if (show_mismatch(ctl, i, read_val, expected_val))  in write_and_verify()
662 			       ctl->name);  in write_and_verify()
671 static void test_ctl_write_default(struct ctl_data *ctl)  in test_ctl_write_default()  argument
676 	if (snd_ctl_elem_info_is_inactive(ctl->info)) {  in test_ctl_write_default()
677 		ksft_print_msg("%s is inactive\n", ctl->name);  in test_ctl_write_default()
679 				      ctl->card->card, ctl->elem);  in test_ctl_write_default()
683 	if (!snd_ctl_elem_info_is_writable(ctl->info)) {  in test_ctl_write_default()
684 		ksft_print_msg("%s is not writeable\n", ctl->name);  in test_ctl_write_default()
686 				      ctl->card->card, ctl->elem);  in test_ctl_write_default()
691 	if (!snd_ctl_elem_info_is_readable(ctl->info)) {  in test_ctl_write_default()
692 		ksft_print_msg("%s couldn't read default\n", ctl->name);  in test_ctl_write_default()
694 				      ctl->card->card, ctl->elem);  in test_ctl_write_default()
698 	err = write_and_verify(ctl, ctl->def_val, NULL);  in test_ctl_write_default()
701 			 ctl->card->card, ctl->elem);  in test_ctl_write_default()
704 static bool test_ctl_write_valid_boolean(struct ctl_data *ctl)  in test_ctl_write_valid_boolean()  argument
711 	snd_ctl_elem_value_set_id(val, ctl->id);  in test_ctl_write_valid_boolean()
713 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_valid_boolean()
716 			err = write_and_verify(ctl, val, NULL);  in test_ctl_write_valid_boolean()
725 static bool test_ctl_write_valid_integer(struct ctl_data *ctl)  in test_ctl_write_valid_integer()  argument
734 	snd_ctl_elem_value_set_id(val, ctl->id);  in test_ctl_write_valid_integer()
736 	step = snd_ctl_elem_info_get_step(ctl->info);  in test_ctl_write_valid_integer()
740 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_valid_integer()
741 		for (j = snd_ctl_elem_info_get_min(ctl->info);  in test_ctl_write_valid_integer()
742 		     j <= snd_ctl_elem_info_get_max(ctl->info); j += step) {  in test_ctl_write_valid_integer()
745 			err = write_and_verify(ctl, val, NULL);  in test_ctl_write_valid_integer()
755 static bool test_ctl_write_valid_integer64(struct ctl_data *ctl)  in test_ctl_write_valid_integer64()  argument
763 	snd_ctl_elem_value_set_id(val, ctl->id);  in test_ctl_write_valid_integer64()
765 	step = snd_ctl_elem_info_get_step64(ctl->info);  in test_ctl_write_valid_integer64()
769 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_valid_integer64()
770 		for (j = snd_ctl_elem_info_get_min64(ctl->info);  in test_ctl_write_valid_integer64()
771 		     j <= snd_ctl_elem_info_get_max64(ctl->info); j += step) {  in test_ctl_write_valid_integer64()
774 			err = write_and_verify(ctl, val, NULL);  in test_ctl_write_valid_integer64()
783 static bool test_ctl_write_valid_enumerated(struct ctl_data *ctl)  in test_ctl_write_valid_enumerated()  argument
790 	snd_ctl_elem_value_set_id(val, ctl->id);  in test_ctl_write_valid_enumerated()
792 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_valid_enumerated()
793 		for (j = 0; j < snd_ctl_elem_info_get_items(ctl->info); j++) {  in test_ctl_write_valid_enumerated()
795 			err = write_and_verify(ctl, val, NULL);  in test_ctl_write_valid_enumerated()
804 static void test_ctl_write_valid(struct ctl_data *ctl)  in test_ctl_write_valid()  argument
810 	if (snd_ctl_elem_info_is_inactive(ctl->info)) {  in test_ctl_write_valid()
811 		ksft_print_msg("%s is inactive\n", ctl->name);  in test_ctl_write_valid()
813 				      ctl->card->card, ctl->elem);  in test_ctl_write_valid()
817 	if (!snd_ctl_elem_info_is_writable(ctl->info)) {  in test_ctl_write_valid()
818 		ksft_print_msg("%s is not writeable\n", ctl->name);  in test_ctl_write_valid()
820 				      ctl->card->card, ctl->elem);  in test_ctl_write_valid()
824 	switch (snd_ctl_elem_info_get_type(ctl->info)) {  in test_ctl_write_valid()
826 		pass = test_ctl_write_valid_boolean(ctl);  in test_ctl_write_valid()
830 		pass = test_ctl_write_valid_integer(ctl);  in test_ctl_write_valid()
834 		pass = test_ctl_write_valid_integer64(ctl);  in test_ctl_write_valid()
838 		pass = test_ctl_write_valid_enumerated(ctl);  in test_ctl_write_valid()
844 				      ctl->card->card, ctl->elem);  in test_ctl_write_valid()
849 	err = write_and_verify(ctl, ctl->def_val, NULL);  in test_ctl_write_valid()
854 			 ctl->card->card, ctl->elem);  in test_ctl_write_valid()
857 static bool test_ctl_write_invalid_value(struct ctl_data *ctl,  in test_ctl_write_invalid_value()  argument
864 	err = snd_ctl_elem_write(ctl->card->handle, val);  in test_ctl_write_invalid_value()
869 	err = snd_ctl_elem_read(ctl->card->handle, val);  in test_ctl_write_invalid_value()
872 			       ctl->name, snd_strerror(err));  in test_ctl_write_invalid_value()
876 	return !ctl_value_valid(ctl, val);  in test_ctl_write_invalid_value()
879 static bool test_ctl_write_invalid_boolean(struct ctl_data *ctl)  in test_ctl_write_invalid_boolean()  argument
887 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_invalid_boolean()
888 		snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_boolean()
891 		if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_boolean()
898 static bool test_ctl_write_invalid_integer(struct ctl_data *ctl)  in test_ctl_write_invalid_integer()  argument
905 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_invalid_integer()
906 		if (snd_ctl_elem_info_get_min(ctl->info) != LONG_MIN) {  in test_ctl_write_invalid_integer()
908 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer()
910 			       snd_ctl_elem_info_get_min(ctl->info) - 1);  in test_ctl_write_invalid_integer()
912 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer()
916 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer()
919 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer()
923 		if (snd_ctl_elem_info_get_max(ctl->info) != LONG_MAX) {  in test_ctl_write_invalid_integer()
925 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer()
927 			       snd_ctl_elem_info_get_max(ctl->info) + 1);  in test_ctl_write_invalid_integer()
929 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer()
933 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer()
936 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer()
944 static bool test_ctl_write_invalid_integer64(struct ctl_data *ctl)  in test_ctl_write_invalid_integer64()  argument
951 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_invalid_integer64()
952 		if (snd_ctl_elem_info_get_min64(ctl->info) != LLONG_MIN) {  in test_ctl_write_invalid_integer64()
954 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer64()
956 				snd_ctl_elem_info_get_min64(ctl->info) - 1);  in test_ctl_write_invalid_integer64()
958 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer64()
962 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer64()
965 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer64()
969 		if (snd_ctl_elem_info_get_max64(ctl->info) != LLONG_MAX) {  in test_ctl_write_invalid_integer64()
971 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer64()
973 				snd_ctl_elem_info_get_max64(ctl->info) + 1);  in test_ctl_write_invalid_integer64()
975 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer64()
979 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer64()
982 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer64()
990 static bool test_ctl_write_invalid_enumerated(struct ctl_data *ctl)  in test_ctl_write_invalid_enumerated()  argument
998 	snd_ctl_elem_value_set_id(val, ctl->id);  in test_ctl_write_invalid_enumerated()
1000 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_invalid_enumerated()
1002 		snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_enumerated()
1004 				  snd_ctl_elem_info_get_items(ctl->info));  in test_ctl_write_invalid_enumerated()
1006 		if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_enumerated()
1010 		snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_enumerated()
1013 		if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_enumerated()
1022 static void test_ctl_write_invalid(struct ctl_data *ctl)  in test_ctl_write_invalid()  argument
1028 	if (snd_ctl_elem_info_is_inactive(ctl->info)) {  in test_ctl_write_invalid()
1029 		ksft_print_msg("%s is inactive\n", ctl->name);  in test_ctl_write_invalid()
1031 				      ctl->card->card, ctl->elem);  in test_ctl_write_invalid()
1035 	if (!snd_ctl_elem_info_is_writable(ctl->info)) {  in test_ctl_write_invalid()
1036 		ksft_print_msg("%s is not writeable\n", ctl->name);  in test_ctl_write_invalid()
1038 				      ctl->card->card, ctl->elem);  in test_ctl_write_invalid()
1042 	switch (snd_ctl_elem_info_get_type(ctl->info)) {  in test_ctl_write_invalid()
1044 		pass = test_ctl_write_invalid_boolean(ctl);  in test_ctl_write_invalid()
1048 		pass = test_ctl_write_invalid_integer(ctl);  in test_ctl_write_invalid()
1052 		pass = test_ctl_write_invalid_integer64(ctl);  in test_ctl_write_invalid()
1056 		pass = test_ctl_write_invalid_enumerated(ctl);  in test_ctl_write_invalid()
1062 				      ctl->card->card, ctl->elem);  in test_ctl_write_invalid()
1067 	err = write_and_verify(ctl, ctl->def_val, NULL);  in test_ctl_write_invalid()
1072 			 ctl->card->card, ctl->elem);  in test_ctl_write_invalid()
1075 static void test_ctl_event_missing(struct ctl_data *ctl)  in test_ctl_event_missing()  argument
1077 	ksft_test_result(!ctl->event_missing, "event_missing.%d.%d\n",  in test_ctl_event_missing()
1078 			 ctl->card->card, ctl->elem);  in test_ctl_event_missing()
1081 static void test_ctl_event_spurious(struct ctl_data *ctl)  in test_ctl_event_spurious()  argument
1083 	ksft_test_result(!ctl->event_spurious, "event_spurious.%d.%d\n",  in test_ctl_event_spurious()
1084 			 ctl->card->card, ctl->elem);  in test_ctl_event_spurious()
1089 	struct ctl_data *ctl;  in main()  local
1097 	for (ctl = ctl_list; ctl != NULL; ctl = ctl->next) {  in main()
1102 		test_ctl_get_value(ctl);  in main()
1103 		test_ctl_name(ctl);  in main()
1104 		test_ctl_write_default(ctl);  in main()
1105 		test_ctl_write_valid(ctl);  in main()
1106 		test_ctl_write_invalid(ctl);  in main()
1107 		test_ctl_event_missing(ctl);  in main()
1108 		test_ctl_event_spurious(ctl);  in main()