[PATCH] alsactl init: Mute CD Playback volume by default

From: David Henningsson <david.henningsson@canonical.com>
To: alsa-devel@alsa-project.org
Subject: [PATCH] alsactl init: Mute CD Playback volume by default
Date: Mon, 04 Apr 2011 11:36:20 +0200	[thread overview]
Message-ID: <4D999114.5060705@canonical.com> (raw)

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The CD analog playback line is seldom used these days, as all
modern players rip the CD and use the DAC on the sound card.
In addition, it causes background hum on some machines.
Therefore keep it muted by default.

BugLink: http://bugs.launchpad.net/bugs/747184
Signed-off-by: David Henningsson <david.henningsson@canonical.com>

-- 
David Henningsson, Canonical Ltd.
http://launchpad.net/~diwic

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>From 26b4ad5af8f342fea905ea3682d5a3a512f297e3 Mon Sep 17 00:00:00 2001
From: David Henningsson <david.henningsson@canonical.com>
Date: Mon, 4 Apr 2011 11:28:47 +0200
Subject: [PATCH] alsactl init: Mute CD Playback volume by default

The CD analog playback line is seldom used these days, as all
modern players rip the CD and use the DAC on the sound card.
In addition, it causes background hum on some machines.
Therefore keep it muted by default.

BugLink: http://bugs.launchpad.net/bugs/747184
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
---
 alsactl/init/default |   13 +++----------
 1 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/alsactl/init/default b/alsactl/init/default
index 7f8ec4c..b7cb941 100644
--- a/alsactl/init/default
+++ b/alsactl/init/default
@@ -144,17 +144,10 @@ CTL{name}="Music Playback Switch",CTL{do_search}=="1", \
   CTL{values}="on"
 
 CTL{reset}="mixer"
-CTL{name}="CD Playback Volume",PROGRAM!="__ctl_search", GOTO=""
-# if master volume control is present, turn CD volume to max
-ENV{has_pmaster_vol}=="true",CTL{write}=="0dB",GOTO=""
-ENV{has_pmaster_vol}=="true",CTL{write}=="100%",GOTO=""
-# exception - some HDA codecs have shifted dB range
-CTL{dBmin}=="-34.50dB",CTL{dBmax}=="12.00dB",CTL{write}=="0dB",GOTO=""
-CTL{dBmin}=="-30.00dB",CTL{dBmax}=="0dB",CTL{write}=="0dB",GOTO=""
-CTL{write}!="$env{pvolume}",CTL{values}="$env{ppercent}"
-LABEL=""
+CTL{name}="CD Playback Volume",CTL{do_search}=="1", \
+  CTL{values}="0%"
 CTL{name}="CD Playback Switch",CTL{do_search}=="1", \
-  CTL{values}="on"
+  CTL{values}="off"
 
 CTL{reset}="mixer"
 CTL{name}="Mono Playback Volume",CTL{do_search}=="1", \
-- 
1.7.4.1


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