[alsa-devel] gusclassic alsa configuration

[Krzysztof Helt]

On Fri, 23 Jan 2009 14:42:45 +0100
Takashi Iwai <tiwai at suse.de> wrote:
> 
> OK, then let's define the default config for GUS at first, then
> fix the system-wide default making somehow better.
> 
> Could you post the latest patch?
> 

The latest version of the GUS.conf is below.
I have found that the issue is probably the same as 
the ALSA bug #1770 so it should be closed/fixed
if the change is applied to ALSA.

Regards,
Krzysztof

--- /usr/src/alsa/alsa-lib-1.0.18/src/conf/cards/GUS.conf	2008-10-29 13:42:10.000000000 +0100
+++ alsa/cards/GUS.conf	2009-01-25 09:03:56.738474703 +0100
@@ -19,10 +19,12 @@ GUS.pcm.front.0 {
 }	
 
 #
-# It's a temporary solution.
+# First route with plug to drop mmap requirement.
+# Then, use the mmap_emul plugin to allow using
+# noninterleaved channels.
 #
 
-!pcm.hw {
+!pcm.default {
 	@args [ CARD DEV SUBDEV ]
 	@args.CARD {
 		type string
@@ -58,9 +60,14 @@ GUS.pcm.front.0 {
 			name defaults.pcm.subdevice
 		}
 	}		
-	type hw
-	card $CARD
-	device $DEV
-	subdevice $SUBDEV
-	mmap_emulation on
+	type plug
+	slave.pcm {
+		type mmap_emul
+		slave.pcm {
+			type hw
+			card $CARD
+			device $DEV
+			subdevice $SUBDEV
+		}
+	}
 }


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