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ALSA: usb-audio: Add Pioneer DJ DJM-250MK2 quirk

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Pioneer DJ DJM-250MK2 is a mixer that acts like a USB sound card.
The MIDI controller part is standard but the PCM part is "vendor specific".
Output is enabled by this quirk: 8 channels, 48 000 Hz, S24_3LE.
Input is not working.

Signed-off-by: František Kučera <franta-linux@frantovo.cz>
Link: https://lore.kernel.org/r/20200401095907.3387-1-konference@frantovo.cz
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
František Kučera 2020-04-01 11:59:07 +02:00 committed by Takashi Iwai
parent b79900a489
commit 73d8c94084
1 changed files with 42 additions and 0 deletions
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42
sound/usb/quirks-table.h
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@ -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