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ucm: fix again the long name configuration filename lookup

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The fix in commit 77119d83a1 assumes that both ucm1 / ucm2 directories
have the configurations for the long name in the same directory. For v2
we changed the location to card_name/card_long_name aka
driver_name/driver_long_name to make the directory layout more structured.

Fixes: 77119d83a1 ("ucm: Fix opening of master-configs by the card's longname")

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2019-11-19 13:10:19 +01:00
parent 8c4301e7a8
commit 10a63e093c
1 changed files with 20 additions and 7 deletions
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27
src/ucm/parser.c
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@ -1567,7 +1567,7 @@ static int get_by_card(snd_use_case_mgr_t *mgr, const char *ctl_name, char *long
}
static int load_master_config(snd_use_case_mgr_t *uc_mgr,
const char *card_name, snd_config_t **cfg, int fcheck)
const char *card_name, snd_config_t **cfg, int longname)
{
char filename[MAX_FILE];
int err;
@ -1578,12 +1578,25 @@ static int load_master_config(snd_use_case_mgr_t *uc_mgr,
return -EINVAL;
}
configuration_filename(uc_mgr, filename, sizeof(filename),
card_name, card_name, ".conf");
/* if the configuration file does not exist, silently return */
if (fcheck && access(filename, R_OK) != 0)
return -ENOENT;
uc_mgr->conf_format = 0;
if (longname) {
if (getenv(ALSA_CONFIG_UCM2_VAR) || !getenv(ALSA_CONFIG_UCM_VAR)) {
uc_mgr->conf_format = 2;
configuration_filename(uc_mgr, filename, sizeof(filename),
uc_mgr->conf_file_name, card_name, ".conf");
}
if (uc_mgr->conf_format >= 2 && access(filename, R_OK) != 0) {
/* try the old ucm directory */
uc_mgr->conf_format = 1;
configuration_filename(uc_mgr, filename, sizeof(filename),
card_name, card_name, ".conf");
if (access(filename, R_OK) != 0)
return -ENOENT;
}
} else {
configuration_filename(uc_mgr, filename, sizeof(filename),
card_name, card_name, ".conf");
}
err = uc_mgr_config_load(uc_mgr->conf_format, filename, cfg);
if (err < 0) {