Paul Bonser wrote:
> The Akai MPC Element incorrectly reports its bInterfaceClass as 255, but
> otherwise implements the USB MIDI spec correctly.
>
> This adds a quirks-table.h entry which allows the device to be
> recognized as a standard USB MIDI device.
>
> Signed-off-by: Paul Bonser <mister...@gmail.com>
> ---
> diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
> index 8590a32..e869b6c 100644
> --- a/sound/usb/quirks-table.h
> +++ b/sound/usb/quirks-table.h
> @@ -2516,6 +2516,28 @@ YAMAHA_DEVICE(0x7010, "UB99"),
> }
> },
>
> +{
> + /* Akai MPC Element */
> + USB_DEVICE(0x09e8, 0x0021),
> + .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_IGNORE_INTERFACE
> + },
> + {
> + .ifnum = 1,
> + .type = QUIRK_MIDI_STANDARD_INTERFACE
> + },
> + {
> + .ifnum = -1
> + }
> + }
> + }
> +},
Why a composite quirk? Does a single quirk entry not work?
Regards,
Clemens
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