ASoC: rsnd: disable SRC.out only when stop timing

commit b761bf272bce6dff4d8a7ccf4385c9f3d4018094 upstream.

Because SRC is connected to DMA and DMA want to keep dreq when stop
timing. This patch makes SRC stop SRC.out only when stop timing. And
it stops both SRC.out/SRC.in when quit timing

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Thong Ho <thong.ho.px@rvc.renesas.com>
Signed-off-by: Nhan Nguyen <nhan.nguyen.yb@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index 68b439ed22d7f4bb065bae68db731c4a844d40ac..460d29cbaaa5ca0d0955bcd7ad5ad7a5993e76d4 100644 (file)
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -691,13 +691,27 @@ static int _rsnd_src_stop_gen2(struct rsnd_mod *mod)
 {
        rsnd_src_irq_disable_gen2(mod);
 
-       rsnd_mod_write(mod, SRC_CTRL, 0);
+       /*
+        * stop SRC output only
+        * see rsnd_src_quit_gen2
+        */
+       rsnd_mod_write(mod, SRC_CTRL, 0x01);
 
        rsnd_src_error_record_gen2(mod);
 
        return rsnd_src_stop(mod);
 }
 
+static int rsnd_src_quit_gen2(struct rsnd_mod *mod,
+                             struct rsnd_dai_stream *io,
+                             struct rsnd_priv *priv)
+{
+       /* stop both out/in */
+       rsnd_mod_write(mod, SRC_CTRL, 0);
+
+       return 0;
+}
+
 static void __rsnd_src_interrupt_gen2(struct rsnd_mod *mod,
                                      struct rsnd_dai_stream *io)
 {
@@ -971,7 +985,7 @@ static struct rsnd_mod_ops rsnd_src_gen2_ops = {
        .probe  = rsnd_src_probe_gen2,
        .remove = rsnd_src_remove_gen2,
        .init   = rsnd_src_init_gen2,
-       .quit   = rsnd_src_quit,
+       .quit   = rsnd_src_quit_gen2,
        .start  = rsnd_src_start_gen2,
        .stop   = rsnd_src_stop_gen2,
        .hw_params = rsnd_src_hw_params,