[pulseaudio-tickets] [Bug 88265] Incorrect volume in sound indicator

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88265

--- Comment #3 from Raymond <superquad.vortex2 at gmail.com> ---
error messages in system log

-
[ 7723.379216] usb 1-1: 1:1: cannot get freq at ep 0x1
[ 7723.396008] usbcore: registered new interface driver snd-usb-audio
[ 7735.811657] usb 1-1: 1:1: cannot get freq at ep 0x1



control.3 {
        iface MIXER
        name 'PCM Playback Volume'
        value 100
        comment {
            access 'read write'
            type INTEGER
            count 1
            range '0 - 100'
            dbmin -312
            dbmax 0
            dbvalue.0 0
        }
    }

dB range from -3.12 dB to 0dB


https://bugzilla.kernel.org/enter_bug.cgi?product=Drivers

you should file bug report 

and post the output of 

lspci -vvvv



state.Audio {
    control.1 {
        iface PCM
        name 'Playback Channel Map'
        value.0 3
        value.1 4
        value.2 7
        value.3 8
        value.4 9
        value.5 10
        comment {
            access read
            type INTEGER
            count 6
            range '0 - 36'
        }


do usb audio support stereo ?

aplay -Dhw:1 --dump-hw-params   any.wav

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