ALSA: hda - allow codecs to access the i915 pin/ELD callback
This lets the interested codec be notified when an i915 pin/ELD
event happens.
[tiwai: Fixed a trivial build error for CONFIG_SND_HDA_I915=n]
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/include/sound/hda_i915.h b/include/sound/hda_i915.h
index adb5ba5..a5b5cae 100644
--- a/include/sound/hda_i915.h
+++ b/include/sound/hda_i915.h
@@ -4,12 +4,15 @@
#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 int snd_hdac_set_codec_wakeup(struct hdac_bus *bus, bool enable)
{
@@ -31,6 +34,10 @@
{
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 */