diff --git a/sound/usb/midi2.c b/sound/usb/midi2.c index 3546ba926cb3..2785600d2312 100644 --- a/sound/usb/midi2.c +++ b/sound/usb/midi2.c @@ -227,7 +227,7 @@ static void kill_midi_urbs(struct snd_usb_midi2_endpoint *ep, bool suspending) if (!ep) return; if (suspending) - ep->suspended = ep->running; + atomic_set(&ep->suspended, atomic_read(&ep->running)); atomic_set(&ep->running, 0); for (i = 0; i < ep->num_urbs; i++) { if (!ep->urbs[i].urb) @@ -1188,10 +1188,11 @@ void snd_usb_midi_v2_suspend_all(struct snd_usb_audio *chip) static void resume_midi2_endpoint(struct snd_usb_midi2_endpoint *ep) { - ep->running = ep->suspended; - if (ep->direction == STR_IN) + atomic_set(&ep->running, atomic_read(&ep->suspended)); + atomic_set(&ep->suspended, 0); + + if (ep->direction == STR_IN || atomic_read(&ep->running)) submit_io_urbs(ep); - /* FIXME: does it all? */ } void snd_usb_midi_v2_resume_all(struct snd_usb_audio *chip)