ASoC: rsnd: DVC kctrl sets once (b918f1bc) · Commits · 戴 / test

sound/soc/sh/rcar/dvc.c

+8 −0

Original line number	Original line	Diff line number	Diff line
	@@ -44,8 +44,11 @@ struct rsnd_dvc {
	struct rsnd_kctrl_cfg_s ren; /* Ramp Enable */		struct rsnd_kctrl_cfg_s ren; /* Ramp Enable */
	struct rsnd_kctrl_cfg_s rup; /* Ramp Rate Up */		struct rsnd_kctrl_cfg_s rup; /* Ramp Rate Up */
	struct rsnd_kctrl_cfg_s rdown; /* Ramp Rate Down */		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_get(priv, id) ((struct rsnd_dvc *)(priv->dvc) + id)
	#define rsnd_dvc_nr(priv) ((priv)->dvc_nr)		#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 channels = rsnd_rdai_channels_get(rdai);
	int ret;		int ret;

			if (rsnd_flags_has(dvc, KCTRL_INITIALIZED))
			return 0;

	/* Volume */		/* Volume */
	ret = rsnd_kctrl_new_m(mod, io, rtd,		ret = rsnd_kctrl_new_m(mod, io, rtd,
	is_play ?		is_play ?
	@@ -307,6 +313,8 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
	if (ret < 0)		if (ret < 0)
	return ret;		return ret;

			rsnd_flags_set(dvc, KCTRL_INITIALIZED);

	return 0;		return 0;
	}		}