Hello,
I'd need your help to find a way to mute the internal speaker if my vaio
laptop (VGN SZ) when using headphones.
First, some informations about oss:
| ossinfo -a
|
| Audio devices
| HD Audio play speaker /dev/oss/oss_hdaudio0/pcm0 (device index 0)
| HD Audio play headphone /dev/oss/oss_hdaudio0/pcm1 (device index 1)
| HD Audio play modem-out /dev/oss/oss_hdaudio0/pcm2 (device index 2)
| HD Audio rec rec /dev/oss/oss_hdaudio0/pcmin0 (device index 3)
| HD Audio rec modem-out /dev/oss/oss_hdaudio0/pcmin1 (device index 4)
and,
| ossmix
| Selected mixer 0/High Definition Audio STAC9872AK
| Known controls are:
| speaker [<leftvol>:<rightvol>] (currently 86.1:86.1 dB)
| jack.headphone.mode <pcm-out|input> (currently pcm-out)
| jack.headphone.mute ON|OFF (currently OFF)
| jack.red.mode <pcm-out|input> (currently pcm-out)
| jack.red.mute ON|OFF (currently OFF)
| record.rec.rec [<leftvol>:<rightvol>] (currently 19.4:19.4 dB)
| record.rec.src <mic|int-mic|pcm> (currently int-mic)
| record.rec.micboost [<leftvol>:<rightvol>] (currently 0.0:0.0 dB)
| vmix0-enable ON|OFF (currently ON)
| vmix0-rate <decimal value> (currently 48000) (Read-only)
| vmix0-channels <Stereo|Multich> (currently Stereo)
| vmix0-src <Fast|Low|Medium|High|High+|Production|OFF> (currently High+)
| vmix0-outvol <monovol> (currently 11.5 dB)
| vmix0-invol <monovol> (currently 17.5 dB)
| vmix0.pcm5 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB) ("mpd")
| vmix0.pcm6 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
| vmix0.pcm7 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
| vmix0.pcm8 [<leftvol>:<rightvol>] (currently 25.0:25.0 dB)
I'm not sure how we're suppose to switch between audio devices, but when
the symlink /dev/dsp points to:
-> /dev/oss/oss_hdaudio0/pcm0, I have sound coming from both the internal
speakers and the headphone output, but I'm not able to either:
* mute the headphone:
with 'ossmix jack.headphone.mute OFF' (setting it to ON or OFF
seems to have no effect)
* mute (by lowering the volume to 0) the internal speakers only:
with 'ossmix speaker 0', this affects both output (int speakers
and heaphones)
-> /dev/oss/oss_hdaudio0/pcm1, I have sound only coming from the headphone
output, but the maximum volume seems very low.
I understand 'hdaudio_jacksense=1' doesn't work for me, but is there a way
to mute internal speakers manually while still being able to have a decent
maximum volume on the headphone output?
You'll find attached the output of ossinfo -v9, and ossmix -v2, but if you
need anything else, just say so:)
Thank you for your time.
Samlt
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