[PATCH] ASoC: rsnd: reduce confusable macro parameter magic

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>

rsnd_dai_call() macro is using "priv" inside.
Thus, if caller function doesn't have "priv" related operation, strange
phenomenon occur which code is using "priv", but compiler indicates
"unused variable 'priv'".

>From code point of view, it is not problem, but it is very confusable.
This patch removes "priv" from rsnd_dai_call() macro, and adds "priv"
on caller function.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Tested-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@xxxxxxxxxxx>
---
 sound/soc/sh/rcar/core.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index e2d554f3..9b9e898 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -469,8 +469,7 @@ static int rsnd_status_update(u32 *status,
 
 #define rsnd_dai_call(fn, io, param...)					\
 ({									\
-	struct rsnd_priv *priv = rsnd_io_to_priv(io);			\
-	struct device *dev = rsnd_priv_to_dev(priv);			\
+	struct device *dev = rsnd_priv_to_dev(rsnd_io_to_priv(io));	\
 	struct rsnd_mod *mod;						\
 	int is_play = rsnd_io_is_play(io);				\
 	int ret = 0, i;							\
@@ -741,6 +740,7 @@ static int rsnd_soc_dai_startup(struct snd_pcm_substream *substream,
 				struct snd_soc_dai *dai)
 {
 	struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
+	struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
 	struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
 	int ret;
 
@@ -758,6 +758,7 @@ static void rsnd_soc_dai_shutdown(struct snd_pcm_substream *substream,
 				  struct snd_soc_dai *dai)
 {
 	struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
+	struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
 	struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
 
 	/*
-- 
1.9.1

_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel



[Index of Archives]     [ALSA User]     [Linux Audio Users]     [Kernel Archive]     [Asterisk PBX]     [Photo Sharing]     [Linux Sound]     [Video 4 Linux]     [Gimp]     [Yosemite News]

  Powered by Linux