On Tue, 31 Mar 2020 14:25:54 +0200, Andreas Steinmetz wrote: > > [v2: Patch reworked as per comment from Takashi Iwai.] > > The Miditech MIDIFACE 16x16 (USB ID 1290:1749) has more than one extra > endpoint descriptor. > > The first extra descriptor is: 0x06 0x30 0x00 0x00 0x00 0x00 > > As the code in snd_usbmidi_get_ms_info() looks only at the > first extra descriptor to find USB_DT_CS_ENDPOINT the device > as such is recognized but there is neither input nor output > configured. > > The patch iterates through the extra descriptors to find the > proper one. With this patch the device is correctly configured. > > Signed-off-by: Andreas Steinmetz <ast@xxxxxxxx> Applied now. Thanks. Takashi
