[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/include/sound/hda_i915.h b/src/kernel/linux/v4.14/include/sound/hda_i915.h
new file mode 100644
index 0000000..a94f5b6
--- /dev/null
+++ b/src/kernel/linux/v4.14/include/sound/hda_i915.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * HD-Audio helpers to sync with i915 driver
+ */
+#ifndef __SOUND_HDA_I915_H
+#define __SOUND_HDA_I915_H
+
+#include <drm/i915_component.h>
+
+#ifdef CONFIG_SND_HDA_I915
+int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable);
+int snd_hdac_display_power(struct hdac_bus *bus, bool enable);
+void snd_hdac_i915_set_bclk(struct hdac_bus *bus);
+int snd_hdac_sync_audio_rate(struct hdac_device *codec, hda_nid_t nid,
+ int dev_id, int rate);
+int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid, int dev_id,
+ bool *audio_enabled, char *buffer, int max_bytes);
+int snd_hdac_i915_init(struct hdac_bus *bus);
+int snd_hdac_i915_exit(struct hdac_bus *bus);
+int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *);
+#else
+static inline int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable)
+{
+ return 0;
+}
+static inline int snd_hdac_display_power(struct hdac_bus *bus, bool enable)
+{
+ return 0;
+}
+static inline void snd_hdac_i915_set_bclk(struct hdac_bus *bus)
+{
+}
+static inline int snd_hdac_sync_audio_rate(struct hdac_device *codec,
+ hda_nid_t nid, int dev_id, int rate)
+{
+ return 0;
+}
+static inline int snd_hdac_acomp_get_eld(struct hdac_device *codec, hda_nid_t nid,
+ int dev_id, bool *audio_enabled,
+ char *buffer, int max_bytes)
+{
+ return -ENODEV;
+}
+static inline int snd_hdac_i915_init(struct hdac_bus *bus)
+{
+ return -ENODEV;
+}
+static inline int snd_hdac_i915_exit(struct hdac_bus *bus)
+{
+ return 0;
+}
+static inline int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *ops)
+{
+ return -ENODEV;
+}
+#endif
+
+#endif /* __SOUND_HDA_I915_H */