ALSA: usb: update trigger timestamp on first non-zero URB submitted

[mirror_ubuntu-zesty-kernel.git] / sound / usb / card.h

diff --git a/sound/usb/card.h b/sound/usb/card.h
index 97acb906acc27041cebb340abaa9d69c36c34634..ef580b43f1e3b1e71dcc4ed0f6a16f11928e071e 100644 (file)
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -153,6 +153,8 @@ struct snd_usb_substream {
                int channel;
                int byte_idx;
        } dsd_dop;
+
+       bool trigger_tstamp_pending_update; /* trigger timestamp being updated from initial estimate */
 };
 
 struct snd_usb_stream {