diff options
Diffstat (limited to 'sound/soc/sh/rcar/dvc.c')
| -rw-r--r-- | sound/soc/sh/rcar/dvc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c index 1743ade3cc55..bb22850e8fe6 100644 --- a/sound/soc/sh/rcar/dvc.c +++ b/sound/soc/sh/rcar/dvc.c @@ -44,8 +44,11 @@ struct rsnd_dvc { struct rsnd_kctrl_cfg_s ren; /* Ramp Enable */ struct rsnd_kctrl_cfg_s rup; /* Ramp Rate Up */ struct rsnd_kctrl_cfg_s rdown; /* Ramp Rate Down */ + u32 flags; }; +#define KCTRL_INITIALIZED (1 << 0) + #define rsnd_dvc_get(priv, id) ((struct rsnd_dvc *)(priv->dvc) + id) #define rsnd_dvc_nr(priv) ((priv)->dvc_nr) @@ -254,6 +257,9 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod, int channels = rsnd_rdai_channels_get(rdai); int ret; + if (rsnd_flags_has(dvc, KCTRL_INITIALIZED)) + return 0; + /* Volume */ ret = rsnd_kctrl_new_m(mod, io, rtd, is_play ? @@ -307,6 +313,8 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod, if (ret < 0) return ret; + rsnd_flags_set(dvc, KCTRL_INITIALIZED); + return 0; } |