From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
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@xxxxxxxxxxx>
---
sound/soc/sh/rcar/src.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index 513094e..3f6993f 100644
--- 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,
--
1.9.1
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