[alsa-devel] [PATCH 4/5] ASoC: sh: fsi: call fsi_hw_startup/shutdown from fsi_dai_trigger()

kuninori.morimoto.gx at renesas.com kuninori.morimoto.gx at renesas.com
Fri May 18 02:35:34 CEST 2012


fsi_hw_startup/shutdown() needs the setup of bus width,
but it is impossible to get parameter of snd_pcm_runtime at this timing.
So, these functions are changed so that be called from fsi_dai_trigger().

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
 sound/soc/sh/fsi.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index bddc353..e52a95d 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -1232,7 +1232,9 @@ static int fsi_dai_startup(struct snd_pcm_substream *substream,
 {
 	struct fsi_priv *fsi = fsi_get_priv(substream);
 
-	return fsi_hw_startup(fsi, fsi_stream_get(fsi, substream), dai->dev);
+	fsi->rate = 0;
+
+	return 0;
 }
 
 static void fsi_dai_shutdown(struct snd_pcm_substream *substream,
@@ -1240,7 +1242,6 @@ static void fsi_dai_shutdown(struct snd_pcm_substream *substream,
 {
 	struct fsi_priv *fsi = fsi_get_priv(substream);
 
-	fsi_hw_shutdown(fsi, dai->dev);
 	fsi->rate = 0;
 }
 
@@ -1254,11 +1255,13 @@ static int fsi_dai_trigger(struct snd_pcm_substream *substream, int cmd,
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
 		fsi_stream_init(fsi, io, substream);
+		fsi_hw_startup(fsi, io, dai->dev);
 		ret = fsi_stream_transfer(io);
 		if (0 == ret)
 			fsi_stream_start(fsi, io);
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
+		fsi_hw_shutdown(fsi, dai->dev);
 		fsi_stream_stop(fsi, io);
 		fsi_stream_quit(fsi, io);
 		break;
-- 
1.7.5.4



More information about the Alsa-devel mailing list