Hi,

Could you do this quick test please: make sure no program will try to
open /dev/audio1 (ex. stop sndiod), plug the device and try to dump
the mixer controls:

        doas mixerctl -f /dev/audioctl1 -v

then, try to set one for the controls. Does it work?

If it does, play few samples (silence):

        doas dd of=/dev/audio1 </dev/zero

Do you get the same error in dmesg? If so, unplug and plug the device
and retry. Still get the error?

If so does the mixer still works (try above mixerctl commands)?

This is to see if a mixer request could be the cause of the error.

Thank you

On Tue, Dec 03, 2024 at 12:13:14AM +0100, Joel Carnat wrote:
> Hi,
> 
> I just got a Dell Slim (USB) Soundbar SB522A and it seems to not be
> functionnal on OpenBSD 7.6 (and latest snapshot available tonight). I
> have tested in on Windows 11 and FreeBSD 14.1 and it works as expected.
> 
> Here's what dmesg says when I plug it in:
> umodem0 at uhub1 port 7 configuration 1 interface 0 "DELL DELL Slim Soundbar 
> SB522A" rev 2.00/0.00 addr 5
> umodem0: data interface 1, has no CM over data, has no break
> umodem0: status change notification available
> ucom0 at umodem0: usb1.0.00007.1
> uaudio0 at uhub1 port 7 configuration 1 interface 3 "DELL DELL Slim Soundbar 
> SB522A" rev 2.00/0.00 addr 5
> uaudio0: class v1, full-speed, sync, channels: 2 play, 2 rec, 4 ctls
> audio1 at uaudio0
> uhidev0 at uhub1 port 7 configuration 1 interface 5 "DELL DELL Slim Soundbar 
> SB522A" rev 2.00/0.00 addr 5
> uhidev0: iclass 3/0, 185 report ids
> ucc0 at uhidev0 reportid 1: 3 usages, 3 keys, enum
> wskbd1 at ucc0 mux 1
> wskbd1: connecting to wsdisplay0
> uhid0 at uhidev0 reportid 5: input=1, output=1, feature=0
> uhid1 at uhidev0 reportid 154: input=0, output=0, feature=63
> uhid2 at uhidev0 reportid 155: input=2, output=0, feature=0
> uhid3 at uhidev0 reportid 184: input=63, output=0, feature=0
> uhid4 at uhidev0 reportid 185: input=0, output=63, feature=0
> 
> Reading the Multimedia FAQ, I did:
> $ doas rcctl set sndiod flags -f rsnd/0 -F rsnd/1
> $ doas rcctl restart sndiod
> 
> Then using mpv to play a video, it freezes a few seconds before
> starting, the sound gets out of the laptop speaker (and not the USB
> soundbar). dmesg adds:
> uaudio0: can't reset interface
> uaudio0: can't reset interface
> 
> sndioctl also takes a few seconds to output things:
> $ sndioctl -v
> output.level=1.000
> server.device=1
> app/mpv0.level=1.000
> $ sndioctl -d
> 013:output.level=0..127 (127)
> 011:server.device=0(azalia0)
> 012:server.device=1
> 001:mpv0.level=0..127 (127)
> 
> Here's a few more outputs:
> $ doas mixerctl -v
> inputs.dac-2:3=128,128
> inputs.dac-0:1=128,128
> record.adc-0:1_mute=off  [ off on ]
> record.adc-0:1=192,192
> record.adc-2:3_mute=off  [ off on ]
> record.adc-2:3=192,192
> outputs.spkr_source=dac-2:3  [ dac-2:3 ]
> outputs.spkr_mute=off  [ off on ]
> outputs.spkr_eapd=on  [ off on ]
> outputs.spkr2_source=dac-2:3  [ dac-2:3 dac-0:1 adc-0:1 ]
> outputs.spkr2_mute=off  [ off on ]
> outputs.spkr2_boost=off  [ off on ]
> inputs.mic=170,170
> outputs.mic_dir=input-vr80  [ none input input-vr0 input-vr50 input-vr80 
> input-vr100 ]
> outputs.hp_source=dac-0:1  [ dac-2:3 dac-0:1 ]
> outputs.hp_mute=off  [ off on ]
> outputs.hp_boost=off  [ off on ]
> outputs.hp_eapd=on  [ off on ]
> record.adc-2:3_source=mic  { mic }
> record.adc-0:1_source=mic  { mic }
> outputs.mic_sense=unplugged  [ unplugged plugged ]
> outputs.hp_sense=unplugged  [ unplugged plugged ]
> outputs.spkr_muters=hp  { hp }
> outputs.master=128,128
> outputs.master.mute=off  [ off on ]
> outputs.master.slaves=dac-2:3,dac-0:1,spkr,spkr2,hp  { dac-2:3 dac-0:1 spkr 
> spkr2 hp }
> record.volume=192,192
> record.volume.mute=off  [ off on ]
> record.volume.slaves=adc-0:1,adc-2:3  { adc-0:1 adc-2:3 mic }
> record.enable=sysctl  [ off on sysctl ]
> $ doas usbdevs
> Controller /dev/usb0:
> addr 01: 8086:0000 Intel, xHCI root hub
> Controller /dev/usb1:
> addr 01: 8086:0000 Intel, xHCI root hub
> addr 02: 06cb:00fc Synaptics, product 0x00fc
> addr 03: 174f:1813 , Integrated Camera
> addr 04: 8087:0033 Intel, Bluetooth
> addr 05: 413c:8204 DELL, DELL Slim Soundbar SB522A
> $ doas usbdevs -v -a 05
> addr 05: 413c:8204 DELL, DELL Slim Soundbar SB522A
>          full speed, power 500 mA, config 1, rev 0.00, iSerial 0
>          driver: umodem0
>          driver: uaudio0
>          driver: uhidev0
> 
> Am I missing something?
> 
> Thanks,
> Joel C.
> 
> 

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