Commit aafe77cc45a5 (ALSA: usb-audio: add support for many Roland/Yamaha devices) had several logic errors that prevented create_auto_midi_quirk from enumerating any MIDI ports.
Reported-by: Keith A. Milner maillist@superlative.org Signed-off-by: Clemens Ladisch clemens@ladisch.de --- sound/usb/quirks.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -319,19 +319,19 @@ static int create_auto_midi_quirk(struct snd_usb_audio *chip, if (altsd->bNumEndpoints < 1) return -ENODEV; epd = get_endpoint(alts, 0); - if (!usb_endpoint_xfer_bulk(epd) || + if (!usb_endpoint_xfer_bulk(epd) && !usb_endpoint_xfer_int(epd)) return -ENODEV;
switch (USB_ID_VENDOR(chip->usb_id)) { case 0x0499: /* Yamaha */ err = create_yamaha_midi_quirk(chip, iface, driver, alts); - if (err < 0 && err != -ENODEV) + if (err != -ENODEV) return err; break; case 0x0582: /* Roland */ err = create_roland_midi_quirk(chip, iface, driver, alts); - if (err < 0 && err != -ENODEV) + if (err != -ENODEV) return err; break; }