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[27/35] ASoC: rsnd: add rsnd_io_to_mod()

Message ID 87a8uxvqp7.wl%kuninori.morimoto.gx@renesas.com (mailing list archive)
State Accepted
Commit 5cbbadd3d507eeb7711266e3932f4c427cbcbd61
Headers show

Commit Message

Kuninori Morimoto July 15, 2015, 7:16 a.m. UTC 
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

Sometimes we would like to get each module directly, especially data path
searching. this patch adds rsnd_io_to_mod() macro, and existing
rsnd_io_to_mod_xxx() use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Keita Kobayashi <keita.kobayashi.ym@renesas.com>
---
 sound/soc/sh/rcar/rsnd.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
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Patch

diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 705e66f..5f5b8b1 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -348,9 +348,10 @@  struct rsnd_dai_stream {
 	int byte_per_period;
 	int next_period_byte;
 };
-#define rsnd_io_to_mod_ssi(io)	((io)->mod[RSND_MOD_SSI])
-#define rsnd_io_to_mod_src(io)	((io)->mod[RSND_MOD_SRC])
-#define rsnd_io_to_mod_dvc(io)	((io)->mod[RSND_MOD_DVC])
+#define rsnd_io_to_mod(io, i)	((i) < RSND_MOD_MAX ? (io)->mod[(i)] : NULL)
+#define rsnd_io_to_mod_ssi(io)	rsnd_io_to_mod((io), RSND_MOD_SSI)
+#define rsnd_io_to_mod_src(io)	rsnd_io_to_mod((io), RSND_MOD_SRC)
+#define rsnd_io_to_mod_dvc(io)	rsnd_io_to_mod((io), RSND_MOD_DVC)
 #define rsnd_io_to_rdai(io)	((io)->rdai)
 #define rsnd_io_to_priv(io)	(rsnd_rdai_to_priv(rsnd_io_to_rdai(io)))
 #define rsnd_io_is_play(io)	(&rsnd_io_to_rdai(io)->playback == io)