This is interesting, are you requiring to switch the profile only on the white edition ?
I ask because I have a box full of these in storage, it would be interesting if there is a difference if there is different firmware at play on the device On Mon, Apr 22, 2019 at 11:46 PM edio <e...@archlinux.us> wrote: > I was looking for clues here and there, until I stumbled on this gist: > > https://github.com/taravasya/taravasya_snips/commit/a99bc93365aafbdc8a735fe24a9f4107f857144e#diff-e2c3b1bfad69cc1fb921d18bdb7c2bd5 > > That gave me an idea, that perhaps switching profile from Duplex to > Output would solve my issue. > > Indeed it did! I switched profile to Analog Stereo Output (instead of > Duplex) and frequency autoswitching started working. > > Would you consider this a bug either in PulseAudio or Linux kernel? > > Thanks > > On 4/22/19 12:07 PM, edio wrote: > > Hello, > > I'm having trouble with sampling frequency autoswitching when using > > E-MU 0404 USB soundcard. > > > > This case is rather strange. > > > > I have 2 E-MU 0404 USB soundcards: regular one (model EM8761) and > > white edition (model EM8762). > > > > Autoswitching in PulseAudio works with the regular one but not with > > the white edition. However in ALSA both sound cards work as expected. > > > > Here's dmesg output when I connect both: > > > > ---- > > [ 842.304339] usb 1-1.2: new high-speed USB device number 6 using dwc2 > > [ 842.446437] usb 1-1.2: New USB device found, idVendor=041e, > > idProduct=3f04, bcdDevice= 1.00 > > [ 842.466211] usb 1-1.2: New USB device strings: Mfr=1, Product=2, > > SerialNumber=3 > > [ 842.479357] usb 1-1.2: Product: E-MU 0404 | USB > > [ 842.489520] usb 1-1.2: Manufacturer: E-MU Systems, Inc. > > [ 842.500246] usb 1-1.2: SerialNumber: > > E-MU-09-3F04-07D90916-0914D-8761T2A > > ... > > [ 901.444396] usb 1-1.2: new high-speed USB device number 7 using dwc2 > > [ 901.586367] usb 1-1.2: New USB device found, idVendor=041e, > > idProduct=3f04, bcdDevice= 1.00 > > [ 901.603744] usb 1-1.2: New USB device strings: Mfr=1, Product=2, > > SerialNumber=3 > > [ 901.616060] usb 1-1.2: Product: E-MU 0404 | USB > > [ 901.625459] usb 1-1.2: Manufacturer: E-MU Systems, Inc. > > [ 901.635506] usb 1-1.2: SerialNumber: > > E-MU-43-3F04-07D70109-0964D-STATION 01 > > ---- > > > > From this both seem to be the same: vendor and product IDs are the > > same. Yet somehow, PulseAudio works differently for them. Is there > > maybe some sound card specific code in PulseAudio? > > > > Would appreciate any hints and suggestions on how to debug the issue. > > > > Thanks > > > _______________________________________________ > pulseaudio-discuss mailing list > pulseaudio-discuss@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
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