ASoC: rsnd: enable SRC sync even FIN = FOUT

Current SRC (= Sampling Rate Converter) is supporting
SYNC mode and ASYNC mode. Current src.c cares SRC if FIN != FOUT.
Here, SYNC mode will be used for tweak, so it will be used
even FIN = FOUT. This patch enables SRC sync in such situation

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Tested-by: Yuichi Takagi <yuichi.takagi.uh@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 5 insertions, 2 deletions

diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index aa24258b9b14..3a8f65bd1bf9 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -189,6 +189,7 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io,
         struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
         struct device *dev = rsnd_priv_to_dev(priv);
         struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+        int use_src = 0;
         u32 fin, fout;
         u32 ifscr, fsrate, adinr;
         u32 cr, route;
@@ -214,6 +215,8 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io,
                 return;
         }
 
+        use_src = (fin != fout) | rsnd_src_sync_is_enabled(mod);
+
         /*
          *      SRC_ADINR
          */
@@ -225,7 +228,7 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io,
          */
         ifscr = 0;
         fsrate = 0;
-        if (fin != fout) {
+        if (use_src) {
                 u64 n;
 
                 ifscr = 1;
@@ -239,7 +242,7 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io,
          */
         cr      = 0x00011110;
         route   = 0x0;
-        if (fin != fout) {
+        if (use_src) {
                 route   = 0x1;
 
                 if (rsnd_src_sync_is_enabled(mod)) {