Commit 775bc971 authored by Jassi Brar's avatar Jassi Brar Committed by Mark Brown
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ASoC: Samsung: I2S: Flush FIFO after stop 



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: default avatarJassi Brar <jassi.brar@samsung.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 6ce534aa

sound/soc/samsung/i2s.c

+5 −5
Original line number Diff line number Diff line
@@ -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;

	}