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ASoC: rsnd: dvc: add rsnd_dvc_of_node()

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This patch adds rsnd_dvc_of_node() to get DVC subnode from DT.
This is prepare for new DT bindings for 1st DMAC

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2015-02-20 10:30:41 +00:00 committed by Mark Brown
parent 82e76ed38e
commit 93b986e246
1 changed files with 3 additions and 0 deletions
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3
sound/soc/sh/rcar/dvc.c
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@ -24,6 +24,9 @@ struct rsnd_dvc {
struct rsnd_kctrl_cfg_s rdown; /* Ramp Rate Down */
};
#define rsnd_dvc_of_node(priv) \
of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,dvc")
#define rsnd_mod_to_dvc(_mod) \
container_of((_mod), struct rsnd_dvc, mod)