Linux-libre 4.2-gnu

1 files changed, 36 insertions, 0 deletions

diff --git a/include/sound/hda_i915.h b/include/sound/hda_i915.h
new file mode 100644
index 000000000..adb5ba5cb
--- /dev/null
+++ b/include/sound/hda_i915.h
@@ -0,0 +1,36 @@
+/*
+ * HD-Audio helpers to sync with i915 driver
+ */
+#ifndef __SOUND_HDA_I915_H
+#define __SOUND_HDA_I915_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);
+#else
+static 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;
+}
+#endif
+
+#endif /* __SOUND_HDA_I915_H */