Mathieu Geli wrote:
> I'm trying to plug/unplug the midisport1x1 from M-Audio. The plug
> works like a charm, hotplug does its job, load the firmware
> (fxload) and snd-usb-audio, if not inserted, is auto-loaded. But
> <hen I unplug the device, and I want to plug it again, the usb
> just hang, trying to rmmoding snd-usb-audio or anything else usb
> related will just hang.
There was a bug which has been fixed three days ago (after 1.0.3 came
out). Either get the latest version from the CVS, or apply the patch
below.
HTH
Clemens
--
--- alsa-kernel/usb/usbmidi.c 3 Mar 2004 11:35:15 -0000 1.24
+++ alsa-kernel/usb/usbmidi.c 8 Mar 2004 09:34:05 -0000 1.25
@@ -453,8 +453,16 @@
usbmidi_out_port_t* port =
(usbmidi_out_port_t*)substream->runtime->private_data;
port->active = up;
- if (up)
+ if (up) {
+ if (port->ep->umidi->chip->shutdown) {
+ /* gobble up remaining bytes to prevent wait in
+ * snd_rawmidi_drain_output */
+ while (!snd_rawmidi_transmit_empty(substream))
+ snd_rawmidi_transmit_ack(substream, 1);
+ return;
+ }
tasklet_hi_schedule(&port->ep->tasklet);
+ }
}
static int snd_usbmidi_input_open(snd_rawmidi_substream_t* substream)
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