These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / include / sound / hda_i915.h

diff --git a/kernel/include/sound/hda_i915.h b/kernel/include/sound/hda_i915.h
new file mode 100644 (file)
index 0000000..930b41e
--- /dev/null
+++ b/kernel/include/sound/hda_i915.h
@@ -0,0 +1,43 @@
+/*
+ * 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);
+int snd_hdac_get_display_clk(struct hdac_bus *bus);
+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 int snd_hdac_get_display_clk(struct hdac_bus *bus)
+{
+       return 0;
+}
+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 */