diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/sh/rcar/ctu.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/soc/sh/rcar/ctu.c b/sound/soc/sh/rcar/ctu.c index e7f53f44165d..ad07ba8c3720 100644 --- a/sound/soc/sh/rcar/ctu.c +++ b/sound/soc/sh/rcar/ctu.c @@ -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; } |