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    Subject[PATCH 5.12 058/127] ALSA: usb-audio: Configure Pioneer DJM-850 samplerate
    Date
    From: Nicolas MURE <nicolas.mure2019@gmail.com>

    commit 1a2a94a4392d5d1e5e25cc127573452f4c7fa9b8 upstream.

    Send an `URB_CONTROL out` USB frame to the device to configure its
    samplerate. This should be done before using the device for audio
    streaming (capture or playback).

    See https://github.com/nm2107/Pioneer-DJM-850-driver-reverse-engineering/blob/172fb9a61055960c88c67b7c416fe5bf3609807b/doc/windows-dvs/framerate-setting/README.md

    Signed-off-by: Nicolas MURE <nicolas.mure2019@gmail.com>
    Link: https://lore.kernel.org/r/20210301152729.18094-4-nicolas.mure2019@gmail.com
    Signed-off-by: Takashi Iwai <tiwai@suse.de>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    sound/usb/quirks.c | 3 +++
    1 file changed, 3 insertions(+)

    --- a/sound/usb/quirks.c
    +++ b/sound/usb/quirks.c
    @@ -1511,6 +1511,9 @@ void snd_usb_set_format_quirk(struct snd
    case USB_ID(0x2b73, 0x0013): /* Pioneer DJM-450 */
    pioneer_djm_set_format_quirk(subs, 0x0082);
    break;
    + case USB_ID(0x08e4, 0x0163): /* Pioneer DJM-850 */
    + pioneer_djm_set_format_quirk(subs, 0x0086);
    + break;
    }
    }


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