At Fri, 07 Dec 2012 10:26:43 +0100, Jurgen Kramer wrote:
Hi,
The patch below prevents the 6fire usb driver going into panic state when stopping playing. On some systems the urb in handler (usb6fire_pcm_in_urb_handler) is being called while urbs are being killed off, this causes the driver to set panic state and can result in the kernel warning 'URB %p submitted while active'.
Signed-off-by: Jurgen Kramer gtmkramer@xs4all.nl
Thanks, applied.
Takashi
diff -uNrp linux/sound/usb/6fire/pcm.c linux.new/sound/usb/6fire/pcm.c --- linux/sound/usb/6fire/pcm.c 2012-11-23 17:01:41.754673597 +0100 +++ linux.new/sound/usb/6fire/pcm.c 2012-12-07 10:09:11.386666744 +0100 @@ -135,6 +135,9 @@ static void usb6fire_pcm_stream_stop(str struct control_runtime *ctrl_rt = rt->chip->control;
if (rt->stream_state != STREAM_DISABLED) {
rt->stream_state = STREAM_STOPPING;- for (i = 0; i < PCM_N_URBS; i++) { usb_kill_urb(&rt->in_urbs[i].instance); usb_kill_urb(&rt->out_urbs[i].instance);
Jurgen
Alsa-devel mailing list Alsa-devel@alsa-project.org http://mailman.alsa-project.org/mailman/listinfo/alsa-devel