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Intel HDMI/DP LPE audio config

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piotrasd 2017-03-14 01:16:50 +00:00 committed by GitHub
parent 57a6cbd4fb
commit f94c407db4
1 changed files with 122 additions and 0 deletions
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packages/audio/alsa-lib/patches/alsa-lib_HdmiLpeAudio.patch Normal file
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@ -0,0 +1,122 @@
From 53dc36f1f465e2a1f9ed37906a7f16a438f941e4 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 7 Feb 2017 14:25:17 +0100
Subject: [PATCH] conf: Add card config for Intel HDMI/DP LPE audio
It's a playback-only device with a single PCM dedicated for HDMI/DP
output. The dmix is working with the latest driver code, so enable it
for default, while providing the hdmi PCM dev for the accesses with
AES bits.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
src/conf/cards/HdmiLpeAudio.conf | 85 ++++++++++++++++++++++++++++++++++++++++
src/conf/cards/Makefile.am | 1 +
2 files changed, 86 insertions(+)
create mode 100644 src/conf/cards/HdmiLpeAudio.conf
diff --git a/src/conf/cards/HdmiLpeAudio.conf b/src/conf/cards/HdmiLpeAudio.conf
new file mode 100644
index 0000000..f5836c0
--- /dev/null
+++ b/src/conf/cards/HdmiLpeAudio.conf
@@ -0,0 +1,85 @@
+#
+# Configuration for the Intel HDMI/DP LPE audio
+#
+
+<confdir:pcm/front.conf>
+
+HdmiLpeAudio.pcm.front.0 {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type softvol
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+}
+
+# default with dmix+softvol
+HdmiLpeAudio.pcm.default {
+ @args [ CARD ]
+ @args.CARD {
+ type string
+ }
+ type plug
+ slave.pcm {
+ type softvol
+ slave.pcm {
+ @func concat
+ strings [ "dmix:" $CARD ]
+ }
+ control {
+ name "PCM Playback Volume"
+ card $CARD
+ }
+ }
+}
+
+<confdir:pcm/surround40.conf>
+<confdir:pcm/surround21.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+
+<confdir:pcm/hdmi.conf>
+
+HdmiLpeAudio.pcm.hdmi.0 {
+ @args [ CARD AES0 AES1 AES2 AES3 ]
+ @args.CARD {
+ type string
+ }
+ @args.AES0 {
+ type integer
+ }
+ @args.AES1 {
+ type integer
+ }
+ @args.AES2 {
+ type integer
+ }
+ @args.AES3 {
+ type integer
+ }
+ type hooks
+ slave.pcm {
+ type hw
+ card $CARD
+ }
+ hooks.0 {
+ type ctl_elems
+ hook_args [
+ {
+ interface PCM
+ name "IEC958 Playback Default"
+ lock true
+ preserve true
+ value [ $AES0 $AES1 $AES2 $AES3 ]
+ }
+ ]
+ }
+}
diff --git a/src/conf/cards/Makefile.am b/src/conf/cards/Makefile.am
index 60b5309..e8b530e 100644
--- a/src/conf/cards/Makefile.am
+++ b/src/conf/cards/Makefile.am
@@ -30,6 +30,7 @@ cfg_files = aliases.conf \
FireWave.conf \
GUS.conf \
HDA-Intel.conf \
+ HdmiLpeAudio.conf \
ICE1712.conf \
ICE1724.conf \
ICH.conf \
--
1.7.11.7