D: [pulseaudio] alsa-mixer.c: Activating path analog-output-headphones
( 0.040| 0.000) D: [pulseaudio] alsa-mixer.c: Path analog-output-headphones
(Headphones), direction=1, priority=90, probed=yes, supported=yes,
has_mute=yes, has_volume=yes, has_dB=yes, min_volume=0, max_volume=64,
min_dB=-115, max_dB=0
( 0.040| 0.000) D: [pulseaudio] alsa-mixer.c: Element Master, direction=1,
switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0,
required_absent=0, mask=0x7ffffffffffff, n_channels=1, override_map=yes (
0.040| 0.000) D: [pulseaudio] alsa-mixer.c: Element Headphone, direction=1,
switch=1, volume=0, volume_limit=-1, enumeration=0, required=0, required_any=4,
required_absent=0, mask=0x0, n_channels=0, override_map=yes
( 0.040| 0.000) D: [pulseaudio] alsa-mixer.c: Element Front, direction=1,
switch=1, volume=3, volume_limit=-1, enumeration=0, required=0, required_any=0,
required_absent=0, mask=0x6, n_channels=2, override_map=no
( 0.040| 0.000) D: [pulseaudio] alsa-mixer.c: Element Surround, direction=1,
switch=2, volume=2, volume_limit=-1, enumeration=0, required=0, required_any=0,
required_absent=0, mask=0x6, n_channels=2, override_map=no
( 0.040| 0.000) D: [pulseaudio] alsa-mixer.c: Element Center, direction=1,
switch=2, volume=2, volume_limit=-1, enumeration=0, required=0, required_any=0,
required_absent=0, mask=0x7ffffffffffff, n_channels=1, override_map=no
( 0.040| 0.000) D: [pulseaudio] alsa-mixer.c: Element LFE, direction=1,
switch=2, volume=2, volume_limit=-1, enumeration=0, required=0, required_any=0,
required_absent=0, mask=0x7ffffffffffff, n_channels=1, override_map=no
( 0.040| 0.000) D: [pulseaudio] alsa-mixer.c: Element PCM, direction=1,
switch=0, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0,
required_absent=0, mask=0x3600000000f66, n_channels=2, override_map=yes
( 0.040| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Front Headphone,
alsa_name='Front Headphone Jack', detection possible
( 0.040| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Front Headphone Phantom,
alsa_name='Front Headphone Phantom Jack', detection unavailable
( 0.040| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Headphone,
alsa_name='Headphone Jack', detection unavailable
( 0.040| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Headphone Phantom,
alsa_name='Headphone Phantom Jack', detection unavailable
( 0.040| 0.000) D: [pulseaudio] alsa-mixer.c: Jack Headphone Mic,
alsa_name='Headphone Mic Jack', detection unavailable
( 0.040| 0.000) I: [pulseaudio] alsa-sink.c: Successfully enabled deferred
volume.
( 0.040| 0.000) I: [pulseaudio] alsa-sink.c: Hardware volume ranges from
-115.00 dB to 0.00 dB.
( 0.040| 0.000) I: [pulseaudio] alsa-sink.c: Fixing base volume to 0.00 dB
( 0.040| 0.000) I: [pulseaudio] alsa-sink.c: Using hardware volume control.
Hardware dB scale supported.
( 0.040| 0.000) I: [pulseaudio] alsa-sink.c: Using hardware mute control.
What is the value of front playback volume in alsamixer?
There is no headphone playback volume, gree lineout and headphone jack
have to share volume control since the other two audio outputs are used
for surround, center/clfe
It is strange that dB range is 115 as dB of audio outputs are -64 to 0
dB
} control.2 { iface MIXER name 'Front Playback Volume' value.0 64 value.1 64
comment { access 'read write' type INTEGER count 2 range '0 - 64' dbmin -6400
dbmax 0 dbvalue.0 0 dbvalue.1 0 } }
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https://bugs.launchpad.net/bugs/1319666
Title:
[, Realtek ALC662 rev1, Green Headphone Out, Front] No sound at all
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