ALSA: usb-audio: Avoid unnecessary EP setups in prepare

[deliverable/linux.git] / sound / usb / card.h

diff --git a/sound/usb/card.h b/sound/usb/card.h
index 6cc883c3567dff7f7a2b24640f9da9c8045608d2..afa4f9e9b27a2673b1fc955d680859cb7f964f02 100644 (file)
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -125,6 +125,7 @@ struct snd_usb_substream {
        struct snd_usb_endpoint *data_endpoint;
        struct snd_usb_endpoint *sync_endpoint;
        unsigned long flags;
+       bool need_setup_ep;             /* (re)configure EP at prepare? */
 
        u64 formats;                    /* format bitmasks (all or'ed) */
        unsigned int num_formats;               /* number of supported audio formats (list) */