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

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>

diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index 513094ec23129780026a1a79a27d50d68dbe9c4d..3f6993facf697a34cd74ba89b84499b1ebb30f8c 100644 (file)
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -665,13 +665,27 @@ 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)
 {
@@ -943,7 +957,7 @@ 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,