[alsa-devel] [PATCH 02/10] ASoC: Samsung: I2S: Flush FIFO after stop

[Jassi at alsa-project.org]

From: Jassi Brar <jassi.brar at samsung.com>

Flush the FIFO while stopping the channel rather than starting.
This saves time during stream start and keeps the FIFOs clean
when the channel is idling.

Signed-off-by: Jassi Brar <jassi.brar at samsung.com>
---
 sound/soc/samsung/i2s.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 26b4bdf..d00ac3a 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -843,11 +843,6 @@ static int i2s_trigger(struct snd_pcm_substream *substream,
 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 		local_irq_save(flags);
 
-		if (capture)
-			i2s_fifo(i2s, FIC_RXFLUSH);
-		else
-			i2s_fifo(i2s, FIC_TXFLUSH);
-
 		if (config_setup(i2s)) {
 			local_irq_restore(flags);
 			return -EINVAL;
@@ -870,6 +865,11 @@ static int i2s_trigger(struct snd_pcm_substream *substream,
 		else
 			i2s_txctrl(i2s, 0);
 
+		if (capture)
+			i2s_fifo(i2s, FIC_RXFLUSH);
+		else
+			i2s_fifo(i2s, FIC_TXFLUSH);
+
 		local_irq_restore(flags);
 		break;
 	}
-- 
1.6.2.5