[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/usb/power.h b/src/kernel/linux/v4.14/sound/usb/power.h
new file mode 100644
index 0000000..b2e25f6
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/usb/power.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __USBAUDIO_POWER_H
+#define __USBAUDIO_POWER_H
+
+#ifdef CONFIG_PM
+int snd_usb_autoresume(struct snd_usb_audio *chip);
+void snd_usb_autosuspend(struct snd_usb_audio *chip);
+#else
+static inline int snd_usb_autoresume(struct snd_usb_audio *chip)
+{
+ return 0;
+}
+static inline void snd_usb_autosuspend(struct snd_usb_audio *chip)
+{
+}
+#endif
+
+#endif /* __USBAUDIO_POWER_H */