[alsa-devel] [PATCH 15/16] ASoC: rsnd: tidyup DMA start/stop timing on SSI

Kuninori Morimoto kuninori.morimoto.gx at renesas.com
Thu Jan 15 09:09:26 CET 2015


From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>

Current DMA starts after SSI, and stops before SSI. but we need
to reverse these order. Otherwise, under/over run error might happen.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
 sound/soc/sh/rcar/ssi.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index 4b64612..9e7b627 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -535,10 +535,10 @@ static int rsnd_ssi_dma_start(struct rsnd_mod *mod,
 {
 	struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
 
-	rsnd_ssi_start(mod, priv);
-
 	rsnd_dma_start(dma);
 
+	rsnd_ssi_start(mod, priv);
+
 	return 0;
 }
 
@@ -547,10 +547,10 @@ static int rsnd_ssi_dma_stop(struct rsnd_mod *mod,
 {
 	struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
 
-	rsnd_dma_stop(dma);
-
 	rsnd_ssi_stop(mod, priv);
 
+	rsnd_dma_stop(dma);
+
 	return 0;
 }
 
-- 
1.7.9.5



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