1 files changed, 21 insertions, 1 deletions

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index a97db5fc8a15..932292ce5ce7 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -37,6 +37,8 @@
 #include <sound/jack.h>
 #include <sound/asoundef.h>
 #include <sound/tlv.h>
+#include <sound/hdaudio.h>
+#include <sound/hda_i915.h>
 #include "hda_codec.h"
 #include "hda_local.h"
 #include "hda_jack.h"
@@ -144,6 +146,9 @@ struct hdmi_spec {
          */
         struct hda_multi_out multiout;
         struct hda_pcm_stream pcm_playback;
+
+        /* i915/powerwell (Haswell+/Valleyview+) specific */
+        struct i915_audio_component_audio_ops i915_audio_ops;
 };
 
 
@@ -2191,6 +2196,9 @@ static void generic_hdmi_free(struct hda_codec *codec)
         struct hdmi_spec *spec = codec->spec;
         int pin_idx;
 
+        if (is_haswell_plus(codec) || is_valleyview_plus(codec))
+                snd_hdac_i915_register_notifier(NULL);
+
         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
 
@@ -2316,6 +2324,14 @@ static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
         snd_hda_codec_set_power_to_all(codec, fg, power_state);
 }
 
+static void intel_pin_eld_notify(void *audio_ptr, int port, int port_mst_index)
+{
+        struct hda_codec *codec = audio_ptr;
+        int pin_nid = port + 0x04;
+
+        check_presence_and_report(codec, pin_nid);
+}
+
 static int patch_generic_hdmi(struct hda_codec *codec)
 {
         struct hdmi_spec *spec;
@@ -2342,8 +2358,12 @@ static int patch_generic_hdmi(struct hda_codec *codec)
         if (is_valleyview_plus(codec) || is_skylake(codec))
                 codec->core.link_power_control = 1;
 
-        if (is_haswell_plus(codec) || is_valleyview_plus(codec))
+        if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
                 codec->depop_delay = 0;
+                spec->i915_audio_ops.audio_ptr = codec;
+                spec->i915_audio_ops.pin_eld_notify = intel_pin_eld_notify;
+                snd_hdac_i915_register_notifier(&spec->i915_audio_ops);
+        }
 
         if (hdmi_parse_codec(codec) < 0) {
                 codec->spec = NULL;