[pulseaudio-discuss] [PATCH] alsa-mixer: Mute headphones and speakers on line out path

[David Henningsson]

When line out path is active, we want to mute speakers for obvious
reasons, and headphones to avoid volume spikes.

Reported-by: TienFu Chen <tienfu.chen at canonical.com>
Signed-off-by: David Henningsson <david.henningsson at canonical.com>
---
 src/modules/alsa/mixer/paths/analog-output-lineout.conf | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/src/modules/alsa/mixer/paths/analog-output-lineout.conf b/src/modules/alsa/mixer/paths/analog-output-lineout.conf
index a110c26..16752a3 100644
--- a/src/modules/alsa/mixer/paths/analog-output-lineout.conf
+++ b/src/modules/alsa/mixer/paths/analog-output-lineout.conf
@@ -102,23 +102,22 @@ volume = off
 switch = off
 required-any = any
 
-; This profile path is intended to control the default output, not the
-; headphones. But it should not hurt if we leave the headphone jack
-; enabled nonetheless.
+; This profile path is intended to control line out, let's mute headphones
+; else there will be a spike when plugging in headphones
 [Element Headphone]
-switch = mute
-volume = zero
+switch = off
+volume = off
 
 [Element Headphone2]
-switch = mute
-volume = zero
+switch = off
+volume = off
 
 [Element Speaker]
-switch = mute
+switch = off
 volume = off
 
 [Element Desktop Speaker]
-switch = mute
+switch = off
 volume = off
 
 [Element Front]
-- 
1.9.1