From 8be2d013f04d78359757520f34b3d10cd6e05ad6 Mon Sep 17 00:00:00 2001
From: Clemens Ladisch <clemens@ladisch.de>
Date: Fri, 30 Nov 2007 08:10:58 +0100
Subject: [PATCH] oxygen: add channel status controls

Add mixer controls to manage the S/PDIF channel status bits.
---
 src/conf/cards/CMI8788.conf | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/src/conf/cards/CMI8788.conf b/src/conf/cards/CMI8788.conf
index e05da8f6..59b560cb 100644
--- a/src/conf/cards/CMI8788.conf
+++ b/src/conf/cards/CMI8788.conf
@@ -2,8 +2,6 @@
 # Configuration for the CMI8788 chip
 #
 
-# TODO: add hooks for SPDIF mixer controls
-
 <confdir:pcm/front.conf>
 
 CMI8788.pcm.front.0 {
@@ -126,9 +124,25 @@ CMI8788.pcm.iec958.0 {
 	}
 	type asym
 	playback.pcm {
-		type hw
-		card $CARD
-		device 1
+		type hooks
+		slave.pcm {
+			type hw
+			card $CARD
+			device 1
+		}
+		hooks.0 {
+			type ctl_elems
+			hook_args [
+				{
+					interface PCM
+					device 1
+					name "IEC958 Playback PCM Stream"
+					lock true
+					preserve true
+					value [ $AES0 $AES1 $AES2 $AES3 ]
+				}
+			]
+		}
 	}
 	capture.pcm {
 		type hw
-- 
2.47.1