ASoC: rcar: bugfix: it cares about the non-src case
src might not exist.
kernel will be hung-up without this patch in such case.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index eee75eb..6232b7d 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -182,16 +182,20 @@
struct rsnd_dai_stream *io,
struct snd_pcm_runtime *runtime)
{
+ struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
struct rsnd_src *src;
- unsigned int rate;
+ unsigned int rate = 0;
- src = rsnd_mod_to_src(rsnd_io_to_mod_src(io));
+ if (src_mod) {
+ src = rsnd_mod_to_src(src_mod);
- /*
- * return convert rate if SRC is used,
- * otherwise, return runtime->rate as usual
- */
- rate = rsnd_src_convert_rate(src);
+ /*
+ * return convert rate if SRC is used,
+ * otherwise, return runtime->rate as usual
+ */
+ rate = rsnd_src_convert_rate(src);
+ }
+
if (!rate)
rate = runtime->rate;