提交 c1ab5d59 编写于 作者: C Clemens Ladisch 提交者: Jaroslav Kysela

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

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: NClemens Ladisch <clemens@ladisch.de>
上级 85a655d6
......@@ -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;
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册