[alsa-devel] [PATCH] surround41/50.conf: Use chmap syntax for better flexibility

David Henningsson david.henningsson at canonical.com
Thu Jun 18 10:47:59 CEST 2015


In case the hardware only supports a specific channel map,
this change would allow surround41/50 to select the correct
channel map and channel count in this situation.

Signed-off-by: David Henningsson <david.henningsson at canonical.com>
---
 src/conf/pcm/surround41.conf | 11 +++++------
 src/conf/pcm/surround50.conf | 11 +++++------
 2 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/src/conf/pcm/surround41.conf b/src/conf/pcm/surround41.conf
index 10e486e..2f82381 100644
--- a/src/conf/pcm/surround41.conf
+++ b/src/conf/pcm/surround41.conf
@@ -53,12 +53,11 @@ pcm.!surround41 {
 			]
 		}
 	}
-	slave.channels 6
-	ttable.0.0 1
-	ttable.1.1 1
-	ttable.2.2 1
-	ttable.3.3 1
-	ttable.4.5 1
+	ttable.0.FL 1
+	ttable.1.FR 1
+	ttable.2.RL 1
+	ttable.3.RR 1
+	ttable.4.LFE 1
 	hint {
 		description "4.1 Surround output to Front, Rear and Subwoofer speakers"
 		device $DEV
diff --git a/src/conf/pcm/surround50.conf b/src/conf/pcm/surround50.conf
index 7b7b17e..dc95c17 100644
--- a/src/conf/pcm/surround50.conf
+++ b/src/conf/pcm/surround50.conf
@@ -53,12 +53,11 @@ pcm.!surround50 {
 			]
 		}
 	}
-	slave.channels 6
-	ttable.0.0 1
-	ttable.1.1 1
-	ttable.2.2 1
-	ttable.3.3 1
-	ttable.4.4 1
+	ttable.0.FL 1
+	ttable.1.FR 1
+	ttable.2.RL 1
+	ttable.3.RR 1
+	ttable.4.FC 1
 	hint {
 		description "5.0 Surround output to Front, Center and Rear speakers"
 		device $DEV
-- 
1.9.1



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