+=======================
+HD-Audio DP-MST Support
+=======================
+
To support DP MST audio, HD Audio hdmi codec driver introduces virtual pin
and dynamic pcm assignment.
----------
- dyn_pcm_assign
-Will not use hda_jack but use snd_jack in spec->pcm_rec[pcm_idx].jack directly.
+
+ Will not use hda_jack but use snd_jack in spec->pcm_rec[pcm_idx].jack directly.
- !dyn_pcm_assign
-Use hda_jack and assign spec->pcm_rec[pcm_idx].jack = jack->jack statically.
+
+ Use hda_jack and assign spec->pcm_rec[pcm_idx].jack = jack->jack statically.
Unsolicited Event Enabling
Monitor Hotplug Event Handling
------------------------------
- acomp
-pin_eld_notify() -> check_presence_and_report() -> hdmi_present_sense() ->
-sync_eld_via_acomp().
-Use directly snd_jack_report() on spec->pcm_rec[pcm_idx].jack for
-both dyn_pcm_assign and !dyn_pcm_assign
+
+ pin_eld_notify() -> check_presence_and_report() -> hdmi_present_sense() ->
+ sync_eld_via_acomp().
+
+ Use directly snd_jack_report() on spec->pcm_rec[pcm_idx].jack for
+ both dyn_pcm_assign and !dyn_pcm_assign
- !acomp
-Hdmi_unsol_event() -> hdmi_intrinsic_event() -> check_presence_and_report() ->
-hdmi_present_sense() -> hdmi_prepsent_sense_via_verbs()
-Use directly snd_jack_report() on spec->pcm_rec[pcm_idx].jack for dyn_pcm_assign.
-Use hda_jack mechanism to handle jack events.
+
+ hdmi_unsol_event() -> hdmi_intrinsic_event() -> check_presence_and_report() ->
+ hdmi_present_sense() -> hdmi_prepsent_sense_via_verbs()
+
+ Use directly snd_jack_report() on spec->pcm_rec[pcm_idx].jack for dyn_pcm_assign.
+ Use hda_jack mechanism to handle jack events.
Others to be added later