hi all,

i have this embarrassing little problem: when i play music and plug in
head phones, the built in speakers are not muted, even though mixerctl
says so. the headphones do work correctly.

i get this output whith the head phones plugged:

inputs.dac-2:3=80,80
inputs.dac-0:1=80,80
record.adc-0:1_mute=off
record.adc-0:1=124,124
record.adc-2:3_mute=off
record.adc-2:3=124,124
record.adc-4:5_mute=off
record.adc-4:5=124,124
inputs.mic=85,85
outputs.spkr_source=dac-2:3
outputs.spkr_mute=on
outputs.spkr_eapd=on
inputs.mic2=85,85
outputs.mic2_dir=input-vr80
outputs.hp_source=dac-0:1
outputs.hp_mute=off
outputs.hp_boost=off
outputs.hp_eapd=on
record.adc-4:5_source=mic2
record.adc-2:3_source=mic2,mic
record.adc-0:1_source=mic
outputs.mic2_sense=unplugged
outputs.hp_sense=plugged
outputs.spkr_muters=hp
outputs.master=80,80
outputs.master.mute=off
outputs.master.slaves=dac-2:3,dac-0:1,spkr,hp
record.volume=124,124
record.volume.mute=off
record.volume.slaves=adc-0:1,adc-2:3,adc-4:5
record.enable=sysctl

doing a `mixerctl -t outputs.spkr_mute` separately toggles the variable,
but has no audible effect, the speaker stays active either way.

`mixerctl -t outputs.master.mute` (or pressing the built in mute button)
does work, but obviously mutes the speaker as well as the headphones.

dmesg says:

azalia0 at pci0 dev 31 function 3 "Intel 100 Series HD Audio" rev 0x21: msi
azalia0: codecs: Realtek ALC236, Intel/0x2809, using Realtek ALC236
audio0 at azalia0

the machine is a lenovo ideapad 500S.

the device used to work correctly with linux.

i'm running 6.8 GENERIC.MP#277 amd64.

did i misconfigure anything, or could this be a bug?

thanks in advance for any hints.

--
cheers,
björn

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