ASoC: Add utility to parse DAPM routes from device tree

Implement snd_soc_of_parse_audio_routing(), a utility function that can
parses a simple DAPM route table from device tree.The machine driver
specifies the DT property to use, since this is binding-specific.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/sound/soc.h b/include/sound/soc.h
index 278f3b892ca6..db8acd299043 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -963,6 +963,8 @@ void snd_soc_util_exit(void);
 
 int snd_soc_of_parse_card_name(struct snd_soc_card *card,
                                const char *propname);
+int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
+                                   const char *propname);
 
 #include <sound/soc-dai.h>