64 	int card, ctl, err;  in find_controls()  local
132 		for (ctl = 0; ctl < card_data->num_ctls; ctl++) {  in find_controls()
139 			ctl_data->elem = ctl;  in find_controls()
141 								    ctl);  in find_controls()
155 			snd_ctl_elem_list_get_id(card_data->ctls, ctl,  in find_controls()
207 static int wait_for_event(struct ctl_data *ctl, int timeout)  in wait_for_event()  argument
218 		err = poll(&(ctl->card->pollfd), 1, timeout);  in wait_for_event()
221 				       ctl->name, strerror(errno), errno);  in wait_for_event()
228 		err = snd_ctl_poll_descriptors_revents(ctl->card->handle,  in wait_for_event()
229 						       &(ctl->card->pollfd),  in wait_for_event()
233 				       ctl->name, err);  in wait_for_event()
238 				       ctl->name);  in wait_for_event()
247 		err = snd_ctl_read(ctl->card->handle, event);  in wait_for_event()
250 			       ctl->name, err);  in wait_for_event()
260 		if (ev_id != snd_ctl_elem_info_get_numid(ctl->info)) {  in wait_for_event()
261 			ksft_print_msg("Event for unexpected ctl %s\n",  in wait_for_event()
268 				       ctl->name);  in wait_for_event()
276 static bool ctl_value_index_valid(struct ctl_data *ctl,  in ctl_value_index_valid()  argument
283 	switch (snd_ctl_elem_info_get_type(ctl->info)) {  in ctl_value_index_valid()
286 			       ctl->name, index);  in ctl_value_index_valid()
297 				       ctl->name, index, int_val);  in ctl_value_index_valid()
305 		if (int_val < snd_ctl_elem_info_get_min(ctl->info)) {  in ctl_value_index_valid()
307 				       ctl->name, index, int_val,  in ctl_value_index_valid()
308 				       snd_ctl_elem_info_get_min(ctl->info));  in ctl_value_index_valid()
312 		if (int_val > snd_ctl_elem_info_get_max(ctl->info)) {  in ctl_value_index_valid()
314 				       ctl->name, index, int_val,  in ctl_value_index_valid()
315 				       snd_ctl_elem_info_get_max(ctl->info));  in ctl_value_index_valid()
320 		if (snd_ctl_elem_info_get_step(ctl->info) &&  in ctl_value_index_valid()
321 		    (int_val - snd_ctl_elem_info_get_min(ctl->info) %  in ctl_value_index_valid()
322 		     snd_ctl_elem_info_get_step(ctl->info))) {  in ctl_value_index_valid()
324 				       ctl->name, index, int_val,  in ctl_value_index_valid()
325 				       snd_ctl_elem_info_get_step(ctl->info),  in ctl_value_index_valid()
326 				       snd_ctl_elem_info_get_min(ctl->info));  in ctl_value_index_valid()
334 		if (int64_val < snd_ctl_elem_info_get_min64(ctl->info)) {  in ctl_value_index_valid()
336 				       ctl->name, index, int64_val,  in ctl_value_index_valid()
337 				       snd_ctl_elem_info_get_min64(ctl->info));  in ctl_value_index_valid()
341 		if (int64_val > snd_ctl_elem_info_get_max64(ctl->info)) {  in ctl_value_index_valid()
343 				       ctl->name, index, int64_val,  in ctl_value_index_valid()
344 				       snd_ctl_elem_info_get_max(ctl->info));  in ctl_value_index_valid()
349 		if (snd_ctl_elem_info_get_step64(ctl->info) &&  in ctl_value_index_valid()
350 		    (int64_val - snd_ctl_elem_info_get_min64(ctl->info)) %  in ctl_value_index_valid()
351 		    snd_ctl_elem_info_get_step64(ctl->info)) {  in ctl_value_index_valid()
353 				       ctl->name, index, int64_val,  in ctl_value_index_valid()
354 				       snd_ctl_elem_info_get_step64(ctl->info),  in ctl_value_index_valid()
355 				       snd_ctl_elem_info_get_min64(ctl->info));  in ctl_value_index_valid()
365 				       ctl->name, index, int_val);  in ctl_value_index_valid()
369 		if (int_val >= snd_ctl_elem_info_get_items(ctl->info)) {  in ctl_value_index_valid()
371 				       ctl->name, index, int_val,  in ctl_value_index_valid()
372 				       snd_ctl_elem_info_get_items(ctl->info));  in ctl_value_index_valid()
389 static bool ctl_value_valid(struct ctl_data *ctl, snd_ctl_elem_value_t *val)  in ctl_value_valid()  argument
394 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++)  in ctl_value_valid()
395 		if (!ctl_value_index_valid(ctl, val, i))  in ctl_value_valid()
405 static void test_ctl_get_value(struct ctl_data *ctl)  in test_ctl_get_value()  argument
410 	if (snd_ctl_elem_info_is_inactive(ctl->info)) {  in test_ctl_get_value()
411 		ksft_print_msg("%s is inactive\n", ctl->name);  in test_ctl_get_value()
413 				      ctl->card->card_name, ctl->elem);  in test_ctl_get_value()
418 	if (!snd_ctl_elem_info_is_readable(ctl->info)) {  in test_ctl_get_value()
419 		ksft_print_msg("%s is not readable\n", ctl->name);  in test_ctl_get_value()
421 				      ctl->card->card_name, ctl->elem);  in test_ctl_get_value()
425 	err = snd_ctl_elem_read(ctl->card->handle, ctl->def_val);  in test_ctl_get_value()
432 	if (!ctl_value_valid(ctl, ctl->def_val))  in test_ctl_get_value()
437 			 ctl->card->card_name, ctl->elem);  in test_ctl_get_value()
450 static void test_ctl_name(struct ctl_data *ctl)  in test_ctl_name()  argument
454 	ksft_print_msg("%s.%d %s\n", ctl->card->card_name, ctl->elem,  in test_ctl_name()
455 		       ctl->name);  in test_ctl_name()
458 	if (strend(ctl->name, " Switch")) {  in test_ctl_name()
459 		if (snd_ctl_elem_info_get_type(ctl->info) != SND_CTL_ELEM_TYPE_BOOLEAN) {  in test_ctl_name()
461 				       ctl->card->card, ctl->elem, ctl->name);  in test_ctl_name()
467 	if (snd_ctl_elem_info_get_type(ctl->info) == SND_CTL_ELEM_TYPE_BOOLEAN &&  in test_ctl_name()
468 	    snd_ctl_elem_info_is_writable(ctl->info)) {  in test_ctl_name()
469 		if (!strend(ctl->name, " Switch")) {  in test_ctl_name()
471 				       ctl->card->card, ctl->elem, ctl->name);  in test_ctl_name()
477 			 ctl->card->card_name, ctl->elem);  in test_ctl_name()
480 static void show_values(struct ctl_data *ctl, snd_ctl_elem_value_t *orig_val,  in show_values()  argument
486 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in show_values()
487 		switch (snd_ctl_elem_info_get_type(ctl->info)) {  in show_values()
517 			       ctl->name, i, orig_int, read_int,  in show_values()
518 			       snd_ctl_elem_info_is_volatile(ctl->info));  in show_values()
522 static bool show_mismatch(struct ctl_data *ctl, int index,  in show_mismatch()  argument
535 	switch (snd_ctl_elem_info_get_type(ctl->info)) {  in show_mismatch()
572 		bool is_volatile = snd_ctl_elem_info_is_volatile(ctl->info);  in show_mismatch()
574 			       ctl->name, index, expected_int, read_int, is_volatile);  in show_mismatch()
587 static int write_and_verify(struct ctl_data *ctl,  in write_and_verify()  argument
613 	if (snd_ctl_elem_info_is_readable(ctl->info)) {  in write_and_verify()
614 		snd_ctl_elem_value_set_id(initial_val, ctl->id);  in write_and_verify()
616 		err = snd_ctl_elem_read(ctl->card->handle, initial_val);  in write_and_verify()
628 	err = snd_ctl_elem_write(ctl->card->handle, w_val);  in write_and_verify()
636 	if (!snd_ctl_elem_info_is_readable(ctl->info))  in write_and_verify()
639 	snd_ctl_elem_value_set_id(read_val, ctl->id);  in write_and_verify()
641 	err = snd_ctl_elem_read(ctl->card->handle, read_val);  in write_and_verify()
653 	if (snd_ctl_elem_info_is_volatile(ctl->info)) {  in write_and_verify()
654 		if (!ctl_value_valid(ctl, read_val)) {  in write_and_verify()
656 				       ctl->name);  in write_and_verify()
670 	err = wait_for_event(ctl, 0);  in write_and_verify()
674 				       ctl->name);  in write_and_verify()
675 			show_values(ctl, initial_val, read_val);  in write_and_verify()
676 			ctl->event_missing++;  in write_and_verify()
681 				       ctl->name);  in write_and_verify()
682 			show_values(ctl, initial_val, read_val);  in write_and_verify()
683 			ctl->event_spurious++;  in write_and_verify()
696 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++)  in write_and_verify()
697 		if (show_mismatch(ctl, i, read_val, expected_val))  in write_and_verify()
702 			       ctl->name);  in write_and_verify()
711 static void test_ctl_write_default(struct ctl_data *ctl)  in test_ctl_write_default()  argument
716 	if (snd_ctl_elem_info_is_inactive(ctl->info)) {  in test_ctl_write_default()
717 		ksft_print_msg("%s is inactive\n", ctl->name);  in test_ctl_write_default()
719 				      ctl->card->card_name, ctl->elem);  in test_ctl_write_default()
723 	if (!snd_ctl_elem_info_is_writable(ctl->info)) {  in test_ctl_write_default()
724 		ksft_print_msg("%s is not writeable\n", ctl->name);  in test_ctl_write_default()
726 				      ctl->card->card_name, ctl->elem);  in test_ctl_write_default()
731 	if (!snd_ctl_elem_info_is_readable(ctl->info)) {  in test_ctl_write_default()
732 		ksft_print_msg("%s couldn't read default\n", ctl->name);  in test_ctl_write_default()
734 				      ctl->card->card_name, ctl->elem);  in test_ctl_write_default()
738 	err = write_and_verify(ctl, ctl->def_val, NULL);  in test_ctl_write_default()
741 			 ctl->card->card_name, ctl->elem);  in test_ctl_write_default()
744 static bool test_ctl_write_valid_boolean(struct ctl_data *ctl)  in test_ctl_write_valid_boolean()  argument
751 	snd_ctl_elem_value_set_id(val, ctl->id);  in test_ctl_write_valid_boolean()
753 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_valid_boolean()
756 			err = write_and_verify(ctl, val, NULL);  in test_ctl_write_valid_boolean()
765 static bool test_ctl_write_valid_integer(struct ctl_data *ctl)  in test_ctl_write_valid_integer()  argument
774 	snd_ctl_elem_value_set_id(val, ctl->id);  in test_ctl_write_valid_integer()
776 	step = snd_ctl_elem_info_get_step(ctl->info);  in test_ctl_write_valid_integer()
780 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_valid_integer()
781 		for (j = snd_ctl_elem_info_get_min(ctl->info);  in test_ctl_write_valid_integer()
782 		     j <= snd_ctl_elem_info_get_max(ctl->info); j += step) {  in test_ctl_write_valid_integer()
785 			err = write_and_verify(ctl, val, NULL);  in test_ctl_write_valid_integer()
795 static bool test_ctl_write_valid_integer64(struct ctl_data *ctl)  in test_ctl_write_valid_integer64()  argument
803 	snd_ctl_elem_value_set_id(val, ctl->id);  in test_ctl_write_valid_integer64()
805 	step = snd_ctl_elem_info_get_step64(ctl->info);  in test_ctl_write_valid_integer64()
809 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_valid_integer64()
810 		for (j = snd_ctl_elem_info_get_min64(ctl->info);  in test_ctl_write_valid_integer64()
811 		     j <= snd_ctl_elem_info_get_max64(ctl->info); j += step) {  in test_ctl_write_valid_integer64()
814 			err = write_and_verify(ctl, val, NULL);  in test_ctl_write_valid_integer64()
823 static bool test_ctl_write_valid_enumerated(struct ctl_data *ctl)  in test_ctl_write_valid_enumerated()  argument
830 	snd_ctl_elem_value_set_id(val, ctl->id);  in test_ctl_write_valid_enumerated()
832 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_valid_enumerated()
833 		for (j = 0; j < snd_ctl_elem_info_get_items(ctl->info); j++) {  in test_ctl_write_valid_enumerated()
835 			err = write_and_verify(ctl, val, NULL);  in test_ctl_write_valid_enumerated()
844 static void test_ctl_write_valid(struct ctl_data *ctl)  in test_ctl_write_valid()  argument
849 	if (snd_ctl_elem_info_is_inactive(ctl->info)) {  in test_ctl_write_valid()
850 		ksft_print_msg("%s is inactive\n", ctl->name);  in test_ctl_write_valid()
852 				      ctl->card->card_name, ctl->elem);  in test_ctl_write_valid()
856 	if (!snd_ctl_elem_info_is_writable(ctl->info)) {  in test_ctl_write_valid()
857 		ksft_print_msg("%s is not writeable\n", ctl->name);  in test_ctl_write_valid()
859 				      ctl->card->card_name, ctl->elem);  in test_ctl_write_valid()
863 	switch (snd_ctl_elem_info_get_type(ctl->info)) {  in test_ctl_write_valid()
865 		pass = test_ctl_write_valid_boolean(ctl);  in test_ctl_write_valid()
869 		pass = test_ctl_write_valid_integer(ctl);  in test_ctl_write_valid()
873 		pass = test_ctl_write_valid_integer64(ctl);  in test_ctl_write_valid()
877 		pass = test_ctl_write_valid_enumerated(ctl);  in test_ctl_write_valid()
883 				      ctl->card->card_name, ctl->elem);  in test_ctl_write_valid()
888 	write_and_verify(ctl, ctl->def_val, NULL);  in test_ctl_write_valid()
891 			 ctl->card->card_name, ctl->elem);  in test_ctl_write_valid()
894 static bool test_ctl_write_invalid_value(struct ctl_data *ctl,  in test_ctl_write_invalid_value()  argument
900 	err = snd_ctl_elem_write(ctl->card->handle, val);  in test_ctl_write_invalid_value()
905 	err = snd_ctl_elem_read(ctl->card->handle, val);  in test_ctl_write_invalid_value()
908 			       ctl->name, snd_strerror(err));  in test_ctl_write_invalid_value()
912 	return !ctl_value_valid(ctl, val);  in test_ctl_write_invalid_value()
915 static bool test_ctl_write_invalid_boolean(struct ctl_data *ctl)  in test_ctl_write_invalid_boolean()  argument
922 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_invalid_boolean()
923 		snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_boolean()
926 		if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_boolean()
933 static bool test_ctl_write_invalid_integer(struct ctl_data *ctl)  in test_ctl_write_invalid_integer()  argument
940 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_invalid_integer()
941 		if (snd_ctl_elem_info_get_min(ctl->info) != LONG_MIN) {  in test_ctl_write_invalid_integer()
943 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer()
945 			       snd_ctl_elem_info_get_min(ctl->info) - 1);  in test_ctl_write_invalid_integer()
947 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer()
951 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer()
954 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer()
958 		if (snd_ctl_elem_info_get_max(ctl->info) != LONG_MAX) {  in test_ctl_write_invalid_integer()
960 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer()
962 			       snd_ctl_elem_info_get_max(ctl->info) + 1);  in test_ctl_write_invalid_integer()
964 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer()
968 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer()
971 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer()
979 static bool test_ctl_write_invalid_integer64(struct ctl_data *ctl)  in test_ctl_write_invalid_integer64()  argument
986 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_invalid_integer64()
987 		if (snd_ctl_elem_info_get_min64(ctl->info) != LLONG_MIN) {  in test_ctl_write_invalid_integer64()
989 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer64()
991 				snd_ctl_elem_info_get_min64(ctl->info) - 1);  in test_ctl_write_invalid_integer64()
993 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer64()
997 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer64()
1000 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer64()
1004 		if (snd_ctl_elem_info_get_max64(ctl->info) != LLONG_MAX) {  in test_ctl_write_invalid_integer64()
1006 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer64()
1008 				snd_ctl_elem_info_get_max64(ctl->info) + 1);  in test_ctl_write_invalid_integer64()
1010 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer64()
1014 			snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_integer64()
1017 			if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_integer64()
1025 static bool test_ctl_write_invalid_enumerated(struct ctl_data *ctl)  in test_ctl_write_invalid_enumerated()  argument
1032 	snd_ctl_elem_value_set_id(val, ctl->id);  in test_ctl_write_invalid_enumerated()
1034 	for (i = 0; i < snd_ctl_elem_info_get_count(ctl->info); i++) {  in test_ctl_write_invalid_enumerated()
1036 		snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_enumerated()
1038 				  snd_ctl_elem_info_get_items(ctl->info));  in test_ctl_write_invalid_enumerated()
1040 		if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_enumerated()
1044 		snd_ctl_elem_value_copy(val, ctl->def_val);  in test_ctl_write_invalid_enumerated()
1047 		if (test_ctl_write_invalid_value(ctl, val))  in test_ctl_write_invalid_enumerated()
1056 static void test_ctl_write_invalid(struct ctl_data *ctl)  in test_ctl_write_invalid()  argument
1061 	if (snd_ctl_elem_info_is_inactive(ctl->info)) {  in test_ctl_write_invalid()
1062 		ksft_print_msg("%s is inactive\n", ctl->name);  in test_ctl_write_invalid()
1064 				      ctl->card->card_name, ctl->elem);  in test_ctl_write_invalid()
1068 	if (!snd_ctl_elem_info_is_writable(ctl->info)) {  in test_ctl_write_invalid()
1069 		ksft_print_msg("%s is not writeable\n", ctl->name);  in test_ctl_write_invalid()
1071 				      ctl->card->card_name, ctl->elem);  in test_ctl_write_invalid()
1075 	switch (snd_ctl_elem_info_get_type(ctl->info)) {  in test_ctl_write_invalid()
1077 		pass = test_ctl_write_invalid_boolean(ctl);  in test_ctl_write_invalid()
1081 		pass = test_ctl_write_invalid_integer(ctl);  in test_ctl_write_invalid()
1085 		pass = test_ctl_write_invalid_integer64(ctl);  in test_ctl_write_invalid()
1089 		pass = test_ctl_write_invalid_enumerated(ctl);  in test_ctl_write_invalid()
1095 				      ctl->card->card_name, ctl->elem);  in test_ctl_write_invalid()
1100 	write_and_verify(ctl, ctl->def_val, NULL);  in test_ctl_write_invalid()
1103 			 ctl->card->card_name, ctl->elem);  in test_ctl_write_invalid()
1106 static void test_ctl_event_missing(struct ctl_data *ctl)  in test_ctl_event_missing()  argument
1108 	ksft_test_result(!ctl->event_missing, "event_missing.%s.%d\n",  in test_ctl_event_missing()
1109 			 ctl->card->card_name, ctl->elem);  in test_ctl_event_missing()
1112 static void test_ctl_event_spurious(struct ctl_data *ctl)  in test_ctl_event_spurious()  argument
1114 	ksft_test_result(!ctl->event_spurious, "event_spurious.%s.%d\n",  in test_ctl_event_spurious()
1115 			 ctl->card->card_name, ctl->elem);  in test_ctl_event_spurious()
1120 	struct ctl_data *ctl;  in main()  local
1128 	for (ctl = ctl_list; ctl != NULL; ctl = ctl->next) {  in main()
1133 		test_ctl_get_value(ctl);  in main()
1134 		test_ctl_name(ctl);  in main()
1135 		test_ctl_write_default(ctl);  in main()
1136 		test_ctl_write_valid(ctl);  in main()
1137 		test_ctl_write_invalid(ctl);  in main()
1138 		test_ctl_event_missing(ctl);  in main()
1139 		test_ctl_event_spurious(ctl);  in main()