This lets the interested codec be notified when an i915 pin/ELD
event happens.
Signed-off-by: David Henningsson <david.henningsson@xxxxxxxxxxxxx>
---
include/sound/hda_i915.h | 7 +++++++
sound/hda/hdac_i915.c | 10 ++++++++++
2 files changed, 17 insertions(+)
diff --git a/include/sound/hda_i915.h b/include/sound/hda_i915.h
index adb5ba5..a0a1d67 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 @@ 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 *)
+{
+ return -ENODEV;
+}
#endif
#endif /* __SOUND_HDA_I915_H */
diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c
index 5676b84..55c3df4 100644
--- a/sound/hda/hdac_i915.c
+++ b/sound/hda/hdac_i915.c
@@ -134,6 +134,16 @@ static int hdac_component_master_match(struct device *dev, void *data)
return !strcmp(dev->driver->name, "i915");
}
+int snd_hdac_i915_register_notifier(const struct i915_audio_component_audio_ops *aops)
+{
+ if (WARN_ON(!hdac_acomp))
+ return -ENODEV;
+
+ hdac_acomp->audio_ops = aops;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_hdac_i915_register_notifier);
+
int snd_hdac_i915_init(struct hdac_bus *bus)
{
struct component_match *match = NULL;
--
1.9.1
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