@@ -81,8 +81,11 @@ struct rsnd_ctu {
struct rsnd_kctrl_cfg_m sv3;
struct rsnd_kctrl_cfg_s reset;
int channels;
+ u32 flags;
};
+#define KCTRL_INITIALIZED (1 << 0)
+
#define rsnd_ctu_nr(priv) ((priv)->ctu_nr)
#define for_each_rsnd_ctu(pos, priv, i) \
for ((i) = 0; \
@@ -277,6 +280,9 @@ static int rsnd_ctu_pcm_new(struct rsnd_mod *mod,
struct rsnd_ctu *ctu = rsnd_mod_to_ctu(mod);
int ret;
+ if (rsnd_flags_has(ctu, KCTRL_INITIALIZED))
+ return 0;
+
/* CTU Pass */
ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU Pass",
rsnd_kctrl_accept_anytime,
@@ -326,6 +332,8 @@ static int rsnd_ctu_pcm_new(struct rsnd_mod *mod,
rsnd_ctu_value_reset,
&ctu->reset, 1);
+ rsnd_flags_set(ctu, KCTRL_INITIALIZED);
+
return ret;
}