1 // SPDX-License-Identifier: GPL-2.0
18 #include "alsa-local.h"
50 static int snd_config_load_string(snd_config_t **config, const char *s,  in snd_config_load_string()  argument
57 	assert(config && s);  in snd_config_load_string()
74 	*config = dst;  in snd_config_load_string()
81 	snd_config_t *config;  in get_alsalib_config()  local
84 	err = snd_config_load_string(&config, alsa_config, strlen(alsa_config));  in get_alsalib_config()
86 		ksft_print_msg("Unable to parse custom alsa-lib configuration: %s\n",  in get_alsalib_config()
90 	return config;  in get_alsalib_config()
97 	for (conf = conf_cards; conf; conf = conf->next) {  in conf_data_by_card()
98 		if (conf->card == card) {  in conf_data_by_card()
100 				ksft_print_msg("using hw card config %s for card %d\n",  in conf_data_by_card()
101 					       conf->filename, card);  in conf_data_by_card()
117 		ksft_exit_fail_msg("config save\n");  in dump_config_tree()
154 		len = readlink(path, link, sizeof(link) - 1);  in sysfs_get()
178 	len = read(fd, path, sizeof(path)-1);  in sysfs_get()
183 	while (len > 0 && path[len-1] == '\n')  in sysfs_get()
184 		len--;  in sysfs_get()
192 static bool sysfs_match(const char *sysfs_root, snd_config_t *config)  in sysfs_match()  argument
197 	regex_t re;  in sysfs_match()  local
201 	snd_config_for_each(i, next, config) {  in sysfs_match()
215 		if (regcomp(&re, regex_string, REG_EXTENDED))  in sysfs_match()
217 		ret = regexec(&re, v, 1, match, 0);  in sysfs_match()
218 		regfree(&re);  in sysfs_match()
230 	for (data = conf_cards; data; data = data->next) {  in assign_card_config()
231 		snd_config_search(data->config, "sysfs", &sysfs_card_config);  in assign_card_config()
235 		data->card = card;  in assign_card_config()
258 	if (dirent->d_type == DT_DIR)  in filename_filter()
260 	flen = strlen(dirent->d_name);  in filename_filter()
263 	if (strncmp(&dirent->d_name[flen-5], ".conf", 5) == 0)  in filename_filter()
271 	snd_config_t *config, *sysfs_config, *card_config, *sysfs_card_config, *node;  in match_config()  local
274 	config = conf_load_from_file(filename);  in match_config()
275 	if (snd_config_search(config, "sysfs", &sysfs_config) ||  in match_config()
278 	if (snd_config_search(config, "card", &card_config) ||  in match_config()
292 		data->filename = filename;  in match_config()
293 		data->config = node;  in match_config()
294 		data->card = -1;  in match_config()
295 		if (snd_config_get_id(node, &data->config_id))  in match_config()
297 		data->next = conf_cards;  in match_config()
313 		size_t sl = strlen(fn) + strlen(namelist[j]->d_name) + 2;  in conf_load()
317 		sprintf(filename, "%s/%s", fn, namelist[j]->d_name);  in conf_load()
334 		conf_cards = conf->next;  in conf_free()
335 		snd_config_delete(conf->config);  in conf_free()
345 		return conf->config;  in conf_by_card()
356 		if (ret != -ENOENT && ret < 0)  in conf_get_by_keys()
373 	if (ret == -ENOENT)  in conf_get_subtree()
387 		return -1;  in conf_get_count()
389 	if (ret == -ENOENT)  in conf_get_count()
390 		return -1;  in conf_get_count()
410 	if (ret == -ENOENT)  in conf_get_string()
428 	if (ret == -ENOENT)  in conf_get_long()
445 	if (ret == -ENOENT)  in conf_get_bool()
463 	if (ret == -ENOENT)  in conf_get_string_array()