File 0021-Add-Loopback.conf-to-define-standard-PCM-d... of Package alsa

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File 0021-Add-Loopback.conf-to-define-standard-PCM-devices-for.patch of Package alsa (Revision 572db9936df03c8d3ea4df1df2e36f8b)

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From 72c7260ce624adcb40377bc2093cd4d965b9b22e Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Wed, 25 Aug 2010 09:04:51 +0200
Subject: [PATCH 21/21] Add Loopback.conf to define standard PCM devices for snd-aloop driver

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 src/conf/cards/Loopback.conf |   74 ++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 74 insertions(+), 0 deletions(-)
 create mode 100644 src/conf/cards/Loopback.conf

diff --git a/src/conf/cards/Loopback.conf b/src/conf/cards/Loopback.conf
new file mode 100644
index 0000000..05c48c6
--- /dev/null
+++ b/src/conf/cards/Loopback.conf
@@ -0,0 +1,74 @@
+#
+# Configuration for the Intel HD audio (ICH6/ICH7)
+#
+
+<confdir:pcm/front.conf>
+
+Loopback.pcm.front.0 {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type softvol
+	slave.pcm {
+		type hw
+		card $CARD
+	}
+	control {
+		name "PCM Playback Volume"
+		card $CARD
+	}
+}	
+
+# default with dmix+softvol & dsnoop
+Loopback.pcm.default {
+	@args [ CARD ]
+	@args.CARD {
+		type string
+	}
+	type asym
+	playback.pcm {
+		type plug
+		slave.pcm {
+			type softvol
+			slave.pcm {
+				@func concat
+				strings [ "dmix:" $CARD ]
+			}
+			control {
+				name "PCM Playback Volume"
+				card $CARD
+			}
+		}
+	}
+	capture.pcm {
+		type plug
+		slave.pcm {
+			type softvol
+			slave.pcm {
+				@func concat
+				strings [ "dsnoop:" $CARD ]
+			}
+			control {
+				name "Digital Capture Volume"
+				card $CARD
+			}
+			min_dB -30.0
+			max_dB 30.0
+			resolution 121
+		}
+		# to avoid possible phase inversions with digital mics
+		route_policy copy
+	}
+	hint.device 0
+}
+
+<confdir:pcm/surround40.conf>
+<confdir:pcm/surround41.conf>
+<confdir:pcm/surround50.conf>
+<confdir:pcm/surround51.conf>
+<confdir:pcm/surround71.conf>
+
+Loopback.pcm.surround40.0 cards.HDA-Intel.pcm.front.0
+Loopback.pcm.surround51.0 cards.HDA-Intel.pcm.front.0
+Loopback.pcm.surround71.0 cards.HDA-Intel.pcm.front.0
-- 
1.7.2.1

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File 0021-Add-Loopback.conf-to-define-standard-PCM-devices-for.patch of Package alsa (Revision 572db9936df03c8d3ea4df1df2e36f8b)

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