From: Paul Bonser <[email protected]> This patch has been added to the 3.18 stable tree. If you have any objections, please let us know.
=============== [ Upstream commit e9f49369722bd7dd53f90467196df4b952eac1b6 ] 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 <[email protected]> Signed-off-by: Takashi Iwai <[email protected]> Signed-off-by: Sasha Levin <[email protected]> --- sound/usb/quirks-table.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index fde5b6e..6bf2af5 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 + } + } + } +}, + /* TerraTec devices */ { USB_DEVICE_VENDOR_SPEC(0x0ccd, 0x0012), -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
