diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 167d0c1643e1..a4679913b0aa 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -348,6 +348,8 @@ static void snd_complete_urb(struct urb *urb) { struct snd_urb_ctx *ctx = urb->context; struct snd_usb_endpoint *ep = ctx->ep; + struct snd_pcm_substream *substream; + unsigned long flags; int err; if (unlikely(urb->status == -ENOENT || /* unlinked */ @@ -364,8 +366,6 @@ static void snd_complete_urb(struct urb *urb) goto exit_clear; if (snd_usb_endpoint_implicit_feedback_sink(ep)) { - unsigned long flags; - spin_lock_irqsave(&ep->lock, flags); list_add_tail(&ctx->ready_list, &ep->ready_playback_urbs); spin_unlock_irqrestore(&ep->lock, flags); @@ -389,7 +389,12 @@ static void snd_complete_urb(struct urb *urb) return; usb_audio_err(ep->chip, "cannot submit urb (err = %d)\n", err); - //snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN); + if (ep->data_subs && ep->data_subs->pcm_substream) { + substream = ep->data_subs->pcm_substream; + snd_pcm_stream_lock_irqsave(substream, flags); + snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN); + snd_pcm_stream_unlock_irqrestore(substream, flags); + } exit_clear: clear_bit(ctx->index, &ep->active_mask);