The simple-card's DAPM route maping is optional. For example, the spdif has no need of this.

Signed-off-by: Xiubo Li Li.Xiubo@freescale.com --- sound/soc/generic/simple-card.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index e86ddf5..889908a 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -145,10 +145,12 @@ static int asoc_simple_card_parse_of(struct device_node *node, (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-card,routing")) { + ret = snd_soc_of_parse_audio_routing(&info->snd_card, "simple-audio-card,routing"); - if (ret) - return ret; + if (ret) + return ret; + }

/* CPU sub-node */ ret = -EINVAL;