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    Subject[PATCH AUTOSEL 5.5 63/75] ALSA: usb-audio: Add Pioneer DJ DJM-250MK2 quirk
    Date
    From: František Kučera <franta-linux@frantovo.cz>

    [ Upstream commit 73d8c94084341e2895169a0462dbc18167f01683 ]

    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>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    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 d187aa6d50db0..dcaf9eed9a415 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
    --
    2.20.1
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