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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2012-05-29 06:28:22 (GMT)
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-05-30 10:04:12 (GMT)
commitfbe42f66c66c279b4ed9b8f515058a09bc731c49 (patch)
tree70f10652101cfc0a66594e3c294b9bbe3fb2d603
parent4a1b09b79b07cf70c72a091e8fe0660f68541f30 (diff)
downloadlinux-fsl-qoriq-fbe42f66c66c279b4ed9b8f515058a09bc731c49.tar.xz
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>
-rw-r--r--sound/soc/sh/fsi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 6e750a8a..2ef9853 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);
}