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authorClemens Ladisch <clemens@ladisch.de>2013-08-11 16:13:13 +0400
committerTakashi Iwai <tiwai@suse.de>2013-08-12 13:42:28 +0400
commitaa773bfe8f860173752258c9ba4bf51060fb0d07 (patch)
treec7a61c31b6c2d6ba807a7d1708b4ff33a77b8517 /sound/usb
parent4c2aee0032b70083dafebd733ed9c774633b2fa3 (diff)
downloadlinux-aa773bfe8f860173752258c9ba4bf51060fb0d07.tar.xz
ALSA: usb-audio: fix automatic Roland/Yamaha MIDI detection
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> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/quirks.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 1bc45e71f1fe..0df9ede99dfd 100644
--- 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;
}