Am 05.10.2010 09:21, schrieb Clemens Ladisch:
> Felix Homann wrote:
>
>>
>> Trying to log the value of f reveals that retire_playback_sync_urb()
>> doesn't seem to be called at all.
>>
> The entire function or that part of the code?
>
>
The entire function. I had placed a printk at the very beginning of
retire_playback_sync_urb() whose output doesn't show up.
> Anyway, please try the patch below, which makes the driver
> autodetect the feedback format. (The actual format can be
> seen in /proc/asound/cardX/stream0 while running.)
>
> Alex, please test this with your widget.
>
>
Here's what I get:
:~$ cat /proc/asound/card2/stream0
M-Audio Fast Track Ultra 8R at usb-0000:00:1a.7-4, high speed : USB Audio
Playback:
Status: Running
Interface = 1
Altset = 1
URBs = 3 [ 57 57 57 ]
Packet Size = 312
Momentary freq = 48000 Hz (0x6.0000)
Interface 1
Altset 1
Format: S24_3LE
Channels: 8
Endpoint: 1 OUT (ADAPTIVE)
Rates: 44100, 48000, 88200, 96000
Data packet interval: 125 us
Capture:
Status: Running
Interface = 2
Altset = 1
URBs = 8 [ 8 8 8 8 8 8 8 8 ]
Packet Size = 312
Momentary freq = 48000 Hz (0x6.0000)
Interface 2
Altset 1
Format: S24_3LE
Channels: 8
Endpoint: 1 IN (ASYNC)
Rates: 44100, 48000, 88200, 96000
Data packet interval: 125 us
Does it tell us anything?
Kind regards,
Felix
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