ucm: substitute ${CardNumber}

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/src/ucm/ucm_subs.c b/src/ucm/ucm_subs.c
index 9700422..0cdaca8 100644 (file)
--- a/src/ucm/ucm_subs.c
+++ b/src/ucm/ucm_subs.c
@@ -66,6 +66,20 @@ static char *rval_conf_name(snd_use_case_mgr_t *uc_mgr)
        return NULL;
 }
 
+static char *rval_card_number(snd_use_case_mgr_t *uc_mgr)
+{
+       struct ctl_list *ctl_list;
+       char num[16];
+
+       if (uc_mgr->conf_format < 3)
+               return NULL;
+       ctl_list = uc_mgr_get_one_ctl(uc_mgr);
+       if (ctl_list == NULL)
+               return strdup("");
+       snprintf(num, sizeof(num), "%i", snd_ctl_card_info_get_card(ctl_list->ctl_info));
+       return strdup(num);
+}
+
 static char *rval_card_id(snd_use_case_mgr_t *uc_mgr)
 {
        struct ctl_list *ctl_list;
@@ -242,6 +256,7 @@ int uc_mgr_get_substituted_value(snd_use_case_mgr_t *uc_mgr,
                        MATCH_VARIABLE(value, "${ConfTopDir}", rval_conf_topdir, false);
                        MATCH_VARIABLE(value, "${ConfDir}", rval_conf_dir, false);
                        MATCH_VARIABLE(value, "${ConfName}", rval_conf_name, false);
+                       MATCH_VARIABLE(value, "${CardNumber}", rval_card_number, true);
                        MATCH_VARIABLE(value, "${CardId}", rval_card_id, false);
                        MATCH_VARIABLE(value, "${CardDriver}", rval_card_driver, false);
                        MATCH_VARIABLE(value, "${CardName}", rval_card_name, false);