This file is indexed.

/usr/share/pulseaudio/alsa-mixer/paths/analog-output-headphones.conf is in pulseaudio 1:4.0-0ubuntu11.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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# This file is part of PulseAudio.
#
# PulseAudio is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2.1 of the
# License, or (at your option) any later version.
#
# PulseAudio is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PulseAudio; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

; Path for mixers that have a 'Headphone' control
;
; See analog-output.conf.common for an explanation on the directives

[General]
priority = 90
name = analog-output-headphones

[Properties]
device.icon_name = audio-headphones

[Jack Front Headphone]
required-any = any

[Jack Front Headphone Phantom]
required-any = any
state.plugged = unknown
state.unplugged = unknown

[Jack Headphone]
required-any = any

[Jack Headphone Phantom]
required-any = any
state.plugged = unknown
state.unplugged = unknown

# This jack can be either a headphone *or* a mic. Used on some ASUS netbooks.
[Jack Headphone Mic]
required-any = any

[Element Hardware Master]
switch = mute
volume = merge
override-map.1 = all
override-map.2 = all-left,all-right

[Element Master]
switch = mute
volume = merge
override-map.1 = all
override-map.2 = all-left,all-right

[Element Master Mono]
switch = off
volume = off

[Element Headphone]
required-any = any
switch = mute
volume = merge
override-map.1 = all
override-map.2 = all-left,all-right

[Element Headset]
required-any = any
switch = mute
volume = merge
override-map.1 = all
override-map.2 = all-left,all-right

[Element Line HP Swap]
switch = on

; This profile path is intended to control the first headphones, not
; the second headphones. But it should not hurt if we leave the second
; headphone jack enabled nonetheless.
[Element Headphone2]
switch = mute
volume = zero

[Element Speaker]
switch = off
volume = off

[Element Desktop Speaker]
switch = off
volume = off

; On some machines Front is actually a part of the Headphone path
[Element Front]
switch = mute
volume = zero

[Element Rear]
switch = off
volume = off

[Element Surround]
switch = off
volume = off

[Element Side]
switch = off
volume = off

[Element Center]
switch = off
volume = off

[Element LFE]
switch = off
volume = off

.include analog-output.conf.common