Thanks a lot for the hint Alexander. Anyhow, I am not sure where to put
that.
Also Takashi Iwai was involved already and I would like to prevent
mixing up things or double work.
Please advise in detail what I would need to do as I am not a programmer.
Thanks a lot.
Tobias
Am 20.01.20 um 09:22 schrieb Alexander Tsoy:
В Сб, 14/12/2019 в 09:24 +0100, Tobias пишет:
Hello dear ALSA developers.
I have purchased a MC7000 controller in order to control MIXXX on
Ubuntu
16.04. According to the Denon specification the controller should
have
been class compliant but there is an issue with the Audio interface
to
work properly giving following message ...
$ dmesg
...
[ 74.522831] usb 1-1.3: new high-speed USB device number 6 using
xhci_hcd
[ 74.623784] usb 1-1.3: New USB device found, idVendor=15e4,
idProduct=8004
[ 74.623789] usb 1-1.3: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[ 74.623793] usb 1-1.3: Product: DENON DJ MC7000
[ 74.623796] usb 1-1.3: Manufacturer: DENON DJ
[ 74.623798] usb 1-1.3: SerialNumber: 201603
[ 74.625134] usb 1-1.3: clock source 65 is not valid, cannot use
"|||clock source 65 is not valid, cannot use" is repeated
uncountable
times then
Please try to add delay after each class control request in
snd_usb_ctl_msg_quirk():
if (chip->usb_id == USB_ID(0x15e4, 0x8004) &&
(requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
msleep(20);
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