From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Tue, 29 May 2012 06:28:22 +0000 (-0700)
Subject: ASoC: fsi: bugfix: ensure dma is terminated
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=fbe42f66c66c279b4ed9b8f515058a09bc731c49;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

ASoC: fsi: bugfix: ensure dma is terminated

FSI DMAEngine has to be stopped certainly at the start/stop time.
Without this patch, it will include noise on playback.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 6e750a8ae2a..2ef98536f1d 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -1178,6 +1178,8 @@ static void fsi_dma_push_start_stop(struct fsi_priv *fsi, struct fsi_stream *io,
 
 	fsi_reg_mask_set(fsi, OUT_DMAC, DMA_ON, enable);
 
+	dmaengine_terminate_all(io->chan);
+
 	if (fsi_is_clk_master(fsi))
 		fsi_master_mask_set(master, CLK_RST, clk, (enable) ? clk : 0);
 }