ALSA: usb-audio: Fix scheduling-while-atomic bug in PCM capture stream

[platform/kernel/linux-starfive.git] / sound / usb / pcm.c

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index a1298f3..62ec808 100644 (file)
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -544,6 +544,9 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
        subs->last_frame_number = 0;
        runtime->delay = 0;
 
        subs->last_frame_number = 0;
        runtime->delay = 0;
 

+       /* clear the pending deactivation on the target EPs */
+       deactivate_endpoints(subs);
+

        /* for playback, submit the URBs now; otherwise, the first hwptr_done
         * updates for all URBs would happen at the same time when starting */
        if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK)
        /* for playback, submit the URBs now; otherwise, the first hwptr_done
         * updates for all URBs would happen at the same time when starting */
        if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK)