audio-lnx: Add latest snapshot for audio drivers.

Propagate the changes based on latest snapshot
for audio kernel source tree at below cutoff of
kernel msm-4.9 -

(aed56b2df75 - "drm/msm/sde: update te vsync enable sequence change")

Change-Id: I7ed5102146986b81e5cb9ca55432360b3549b60c
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>

asoc/codecs/wsa881x.h

@@ -1,4 +1,4 @@
-/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2015-2017, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -20,9 +20,10 @@
 
 #define WSA881X_MAX_SWR_PORTS   4
 
+#if IS_ENABLED(CONFIG_SND_SOC_WSA881X)
 extern int wsa881x_set_channel_map(struct snd_soc_codec *codec, u8 *port,
-				u8 num_port, unsigned int *ch_mask,
-				unsigned int *ch_rate);
+				   u8 num_port, unsigned int *ch_mask,
+				   unsigned int *ch_rate);
 
 extern const u8 wsa881x_reg_readable[WSA881X_CACHE_SIZE];
 extern struct regmap_config wsa881x_regmap_config;
@@ -31,4 +32,25 @@ extern int wsa881x_codec_info_create_codec_entry(
 					struct snd_soc_codec *codec);
 void wsa881x_regmap_defaults(struct regmap *regmap, u8 version);
 
+#else
+extern int wsa881x_set_channel_map(struct snd_soc_codec *codec, u8 *port,
+				   u8 num_port, unsigned int *ch_mask,
+				   unsigned int *ch_rate)
+{
+	return 0;
+}
+
+extern int wsa881x_codec_info_create_codec_entry(
+					struct snd_info_entry *codec_root,
+					struct snd_soc_codec *codec)
+{
+	return 0;
+}
+
+void wsa881x_regmap_defaults(struct regmap *regmap, u8 version)
+{
+}
+
+#endif
+
 #endif /* _WSA881X_H */