[alsa-devel] [PATCH] ASoC: fsi: bugfix: enable master clock control on DMA stream

[Kuninori Morimoto]

DMA stream handler didn't care about master clock.
This patch fixes it up.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
 sound/soc/sh/fsi.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 7cee225..05582c1 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -1172,9 +1172,14 @@ static int fsi_dma_transfer(struct fsi_priv *fsi, struct fsi_stream *io)
 static void fsi_dma_push_start_stop(struct fsi_priv *fsi, struct fsi_stream *io,
 				 int start)
 {
+	struct fsi_master *master = fsi_get_master(fsi);
+	u32 clk  = fsi_is_port_a(fsi) ? CRA  : CRB;
 	u32 enable = start ? DMA_ON : 0;
 
 	fsi_reg_mask_set(fsi, OUT_DMAC, DMA_ON, enable);
+
+	if (fsi_is_clk_master(fsi))
+		fsi_master_mask_set(master, CLK_RST, clk, (enable) ? clk : 0);
 }
 
 static int fsi_dma_probe(struct fsi_priv *fsi, struct fsi_stream *io)
-- 
1.7.5.4