26 Nov
2012
26 Nov
'12
3:54 p.m.
On Monday 26 November 2012 14:43:13 Clemens Ladisch wrote:
If it has to be running, the easiest fix would be the patch like below. This will turn off the autopm essentially, but better than breakage.
@@ -2074,6 +2077,8 @@ static void snd_usbmidi_input_start_ep(struct snd_usb_midi_in_endpoint* ep)
- ep->autopm_reference =
usb_autopm_get_interface(ep->umidi->iface) >= 0;usb_autopm_get_interface() cannot be called from the USB probe callback.
You can use usb_autopm_get_interface_no_resume() During probe() the device is known to not be suspended.
Regards Oliver