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authorTakashi Iwai <tiwai@suse.de>2016-11-10 17:41:45 +0100
committerTakashi Iwai <tiwai@suse.de>2016-11-10 17:59:23 +0100
commit76ab4e15158c677141e8b8ff5f0295166f474553 (patch)
tree71b5a79175f0fa1447d5fc3c7ab46d53ea50e24f /Documentation/sound
parentfe0abd18e1ef3cb258b0a5e41ba26ed0c4b88dab (diff)
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ALSA: doc: ReSTize HD-Audio-DP-MST-audio.txt
A simple conversion from a plain text file. Put to hd-audio subdirectory. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'Documentation/sound')
-rw-r--r--Documentation/sound/hd-audio/dp-mst.rst (renamed from Documentation/sound/alsa/HD-Audio-DP-MST-audio.txt)30
-rw-r--r--Documentation/sound/hd-audio/index.rst1
2 files changed, 21 insertions, 10 deletions
diff --git a/Documentation/sound/alsa/HD-Audio-DP-MST-audio.txt b/Documentation/sound/hd-audio/dp-mst.rst
index 82744ac3513d..58b72437e6c3 100644
--- a/Documentation/sound/alsa/HD-Audio-DP-MST-audio.txt
+++ b/Documentation/sound/hd-audio/dp-mst.rst
@@ -1,3 +1,7 @@
+=======================
+HD-Audio DP-MST Support
+=======================
+
To support DP MST audio, HD Audio hdmi codec driver introduces virtual pin
and dynamic pcm assignment.
@@ -44,10 +48,12 @@ Build Jack
----------
- 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
@@ -58,16 +64,20 @@ Enable unsolicited event if !acomp.
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
diff --git a/Documentation/sound/hd-audio/index.rst b/Documentation/sound/hd-audio/index.rst
index c6efd55a219f..f8a72ffffe66 100644
--- a/Documentation/sound/hd-audio/index.rst
+++ b/Documentation/sound/hd-audio/index.rst
@@ -7,3 +7,4 @@ HD-Audio
notes
models
controls
+ dp-mst