[alsa-devel] [PATCH 1/1] conf/cards: add Audio Advantage Micro II

[Przemek Rudy]

With related kernel chnages add extended suport for:
- AES bits controls (via device suffix AESn= or tools like iecset)
- SPDIF switch control, turning on/off the optical transmitter (via alsamixer tool)

Signed-off-by: Przemek Rudy <prudy1 at o2.pl>

diff --git a/src/conf/cards/USB-Audio.conf b/src/conf/cards/USB-Audio.conf
index 0d93175..8a6d9ca 100644
--- a/src/conf/cards/USB-Audio.conf
+++ b/src/conf/cards/USB-Audio.conf
@@ -101,6 +101,41 @@ USB-Audio."Audiophile USB (tm)".pcm.iec958 {
 	}
 }
 
+# For this card we can (and must to get IEC61937) set AES bits
+USB-Audio."MicroII".pcm.iec958 "cards.USB-Audio.Audio Advantage MicroII.pcm.iec958"
+USB-Audio."Audio Advantage MicroII".pcm.iec958 {
+	@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"
+				preserve true
+				optional true
+				value [ $AES0 $AES1 $AES2 $AES3 ]
+			}
+			{
+				name "IEC958 Playback Switch"
+				lock true
+				preserve true
+				value 1
+			}
+		]
+	}
+}
 
 ################################################################################
 
-- 
1.8.3.1