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Diffstat (limited to 'sound/soc/sh/rcar/src.c')
-rw-r--r--sound/soc/sh/rcar/src.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index f832165e46bc..9893839666d7 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -530,6 +530,22 @@ static irqreturn_t rsnd_src_interrupt(int irq, void *data)
return IRQ_HANDLED;
}
+static int rsnd_src_kctrl_accept_runtime(struct rsnd_dai_stream *io)
+{
+ struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+
+ if (!runtime) {
+ struct rsnd_priv *priv = rsnd_io_to_priv(io);
+ struct device *dev = rsnd_priv_to_dev(priv);
+
+ dev_warn(dev, "\"SRC Out Rate\" can use during running\n");
+
+ return 0;
+ }
+
+ return 1;
+}
+
static int rsnd_src_probe_(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
@@ -593,7 +609,7 @@ static int rsnd_src_pcm_new(struct rsnd_mod *mod,
rsnd_io_is_play(io) ?
"SRC Out Rate" :
"SRC In Rate",
- rsnd_kctrl_accept_runtime,
+ rsnd_src_kctrl_accept_runtime,
rsnd_src_set_convert_rate,
&src->sync, 192000);