[vicbitter]

Kernel patch or maybe patches for alsa you have on mind? For alsa I have patches but the effect is the same.

You need to apply the kernel patches from Bug 49055 - HBR sound passthrough (DTS-HS-MA, Dolby-Turuhd) not working on Intel Sandy Bridge to your kernel source as well as the following patch to alsa-lib.

Code:

From Commit:47b54a7 Mon Sep 17 00:00:00 2001
From: Wang Xingchao <[email protected]>
Date: Tue, 28 Aug 2012 17:11:04 +0800
Subject: [PATCH] HDA-Intel: change CTLINDEX entries for HBR

Fix wrong CTLINDEX for HBR stream.

Signed-off-by: Wang Xingchao <[email protected]>
---
src/conf/cards/HDA-Intel.conf | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/conf/cards/HDA-Intel.conf b/src/conf/cards/HDA-Intel.conf
index d4f2667..7d6de8f 100644
--- a/src/conf/cards/HDA-Intel.conf
+++ b/src/conf/cards/HDA-Intel.conf
@@ -211,7 +211,7 @@ HDA-Intel.pcm.hdmi.0 {
"cards.HDA-Intel.pcm.hdmi.common:"
"CARD=" $CARD ","
"DEVICE=3,"
- "CTLINDEX=0,"
+ "CTLINDEX=1,"
"AES0=" $AES0 ","
"AES1=" $AES1 ","
"AES2=" $AES2 ","
@@ -234,7 +234,7 @@ HDA-Intel.pcm.hdmi.1 {
"cards.HDA-Intel.pcm.hdmi.common:"
"CARD=" $CARD ","
"DEVICE=7,"
- "CTLINDEX=1,"
+ "CTLINDEX=2,"
"AES0=" $AES0 ","
"AES1=" $AES1 ","
"AES2=" $AES2 ","
@@ -257,7 +257,7 @@ HDA-Intel.pcm.hdmi.2 {
"cards.HDA-Intel.pcm.hdmi.common:"
"CARD=" $CARD ","
"DEVICE=8,"
- "CTLINDEX=2,"
+ "CTLINDEX=3,"
"AES0=" $AES0 ","
"AES1=" $AES1 ","
"AES2=" $AES2 ","
@@ -280,7 +280,7 @@ HDA-Intel.pcm.hdmi.3 {
"cards.HDA-Intel.pcm.hdmi.common:"
"CARD=" $CARD ","
"DEVICE=9,"
- "CTLINDEX=3,"
+ "CTLINDEX=4,"
"AES0=" $AES0 ","
"AES1=" $AES1 ","
"AES2=" $AES2 ","
--
1.7.9.5