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[ALSA] usb-audio - allow USB MIDI quirks to specify endpoints explicitly

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USB generic driver
This patch reintroduces the check for endpoint numbers that are
specified explicitly in the quirk structure.
This check was accidentally dropped in the last rewrite of
snd_usbmidi_detect_endpoints().

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
This commit is contained in:
Clemens Ladisch 2005-03-30 16:22:01 +02:00 committed by Jaroslav Kysela
parent 85a655d66b
commit c1ab5d59a0
1 changed files with 3 additions and 0 deletions
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3
sound/usb/usbmidi.c
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@ -1229,6 +1229,9 @@ static int snd_usbmidi_detect_endpoints(snd_usb_midi_t* umidi,
if (le16_to_cpu(umidi->chip->dev->descriptor.idVendor) == 0x0582)
snd_usbmidi_switch_roland_altsetting(umidi);
if (endpoint[0].out_ep || endpoint[0].in_ep)
return 0;
intf = umidi->iface;
if (!intf || intf->num_altsetting < 1)
return -ENOENT;