Dne 24. 02. 20 v 17:29 František Kučera napsal(a):
> Hello,
>
> I have created a quirk that adds support for the Pioneer DJ DJM-250MK2 mixer (acts like a USB sound card, but Vendor Specific Class).
>
> Output (from computer to card) is working: 8 channels, 48 000 Hz, S24_3LE.
>
> Input is not working. I tried, but I was unable to make it working even under an officially supported OS with Pioneer drivers - Audacity or Mixxx see the channels, but there is no signal. It probably works only with Pioneer proprietary application. But I hope that even mere output support will be useful for someone. (it is usable for playback, just not for DVS)
>
> Franta
>
> Signed-off-by: František Kučera <franta-linux@xxxxxxxxxxx>
> ---
> sound/usb/quirks-table.h | 42 ++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 42 insertions(+)
>
> diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
> index d187aa6d50db..dcaf9eed9a41 100644
> --- a/sound/usb/quirks-table.h
> +++ b/sound/usb/quirks-table.h
> @@ -3592,5 +3592,47 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
> }
> }
> },
> +{
> + /*
> + * Pioneer DJ DJM-250MK2
> + * PCM is 8 channels out @ 48 fixed (endpoints 0x01).
> + * The output from computer to the mixer is usable.
> + *
> + * The input (phono or line to computer) is not working.
> + * It should be at endpoint 0x82 and probably also 8 channels,
> + * but it seems that it works only with Pioneer proprietary software.
> + * Even on officially supported OS, the Audacity was unable to record
> + * and Mixxx to recognize the control vinyls.
> + */
> + USB_DEVICE_VENDOR_SPEC(0x2b73, 0x0017),
> + .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
> + .ifnum = QUIRK_ANY_INTERFACE,
> + .type = QUIRK_COMPOSITE,
> + .data = (const struct snd_usb_audio_quirk[]) {
> + {
> + .ifnum = 0,
> + .type = QUIRK_AUDIO_FIXED_ENDPOINT,
> + .data = &(const struct audioformat) {
> + .formats = SNDRV_PCM_FMTBIT_S24_3LE,
> + .channels = 8, // outputs
> + .iface = 0,
> + .altsetting = 1,
> + .altset_idx = 1,
> + .endpoint = 0x01,
> + .ep_attr = USB_ENDPOINT_XFER_ISOC|
> + USB_ENDPOINT_SYNC_ASYNC,
> + .rates = SNDRV_PCM_RATE_48000,
> + .rate_min = 48000,
> + .rate_max = 48000,
> + .nr_rates = 1,
> + .rate_table = (unsigned int[]) { 48000 }
> + }
> + },
> + {
> + .ifnum = -1
> + }
> + }
> + }
> +},
>
> #undef USB_DEVICE_VENDOR_SPEC
>
Can anyone review this patch please?
Franta
