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>

diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index aa24258..3a8f65b 100644 (file)
--- 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)) {