ASoC: simple-card: fix the DAPM routes map parsing
The simple-card's DAPM route maping is optional.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index d4402fb..eb95beb 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -134,10 +134,12 @@
(SND_SOC_DAIFMT_FORMAT_MASK | SND_SOC_DAIFMT_INV_MASK);
/* DAPM routes */
- ret = snd_soc_of_parse_audio_routing(&info->snd_card,
+ if (of_property_read_bool(node, "simple-audio-routing")) {
+ ret = snd_soc_of_parse_audio_routing(&info->snd_card,
"simple-audio-routing");
- if (ret)
- return ret;
+ if (ret)
+ return ret;
+ }
/* CPU sub-node */
ret = -EINVAL;