Triode wrote: 
> Did you look at the dmesg log - its may be that it is the same error as
> the Teac - depends on who writes the firmware.  Anyway this looks to
> resolve a bug which the Teac definitely suffers from as far as the alsa
> list is concerned and if you are hitting the same problem may improve
> it..  
> 
> I'm wondering if your linux test firmware has other bugs in it for other
> sample rates. So try this with the original firmware too and look at the
> dmesg for each case.

Hi there. First test with my "Test" Firmware. I will do it with the
normal win/mac firmware after. However, a bit concerned, because the
vendor put in a temporary limitation that does not allow me to install
the test firmware anymore. However, changing the system date it worked,
hoping the workaround will work again. Here comes the dmesg output:

1. Playing 96K - files: "Momentary freq = 176008 Hz", always, except for
some rare occasions, it comes out as 176004. A major change compared
with before. However, wrong frequency. Sounds horrible.

/root$ cat /proc/asound/card1/stream0
Test For Urs Thalmann Test at usb-fsl-ehci.0-1.4, high speed : USB
Audio

Playback:
Status: Running
Interface = 3
Altset = 2
URBs = 8 [ 8 8 8 8 8 8 8 8 ]
Packet Size = 156
Momentary freq = 176008 Hz (0x16.0040)
Feedback Format = 17.15
Interface 3
Altset 1
Format: S16_LE
Channels: 2
Endpoint: 3 OUT (ASYNC)
Rates: 44100, 48000, 88200, 96000, 176400, 192000
Data packet interval: 125 us
Max Packet Size = 104
EP Attribute = 0x0
Interface 3
Altset 2
Format: S24_3LE
Channels: 2
Endpoint: 3 OUT (ASYNC)
Rates: 44100, 48000, 88200, 96000, 176400, 192000
Data packet interval: 125 us
Max Packet Size = 156
EP Attribute = 0x0

2. Playing 44.1k - files:

Always "Momentary freq = 44102 Hz". Does not change at all. Sound is
technically OK, quality not compared with spdif up to now. 

/root$ cat /proc/asound/card1/stream0
Test For Urs Thalmann Test at usb-fsl-ehci.0-1.4, high speed : USB
Audio

Playback:
Status: Running
Interface = 3
Altset = 2
URBs = 8 [ 8 8 8 8 8 8 8 8 ]
Packet Size = 156
Momentary freq = 44102 Hz (0x5.8340)
Feedback Format = 16.16
Interface 3
Altset 1
Format: S16_LE
Channels: 2
Endpoint: 3 OUT (ASYNC)
Rates: 44100, 48000, 88200, 96000, 176400, 192000
Data packet interval: 125 us
Max Packet Size = 104
EP Attribute = 0x0
Interface 3
Altset 2
Format: S24_3LE
Channels: 2
Endpoint: 3 OUT (ASYNC)
Rates: 44100, 48000, 88200, 96000, 176400, 192000
Data packet interval: 125 us
Max Packet Size = 156
EP Attribute = 0x0


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