diff 597ff0b59658032e141553f286e02b9370f995b5 uncommitted
--- a/sys/src/cmd/reform/audio.c
+++ b/sys/src/cmd/reform/audio.c
@@ -195,6 +195,7 @@
 	sleep(650);
 	wr(0x1c, 1<<3); /* done with anti-pop */
 	wr(0x19, 1<<7 | 1<<6); /* Vref on */
+	sleep(650);
 
 	wr(0x09, 1<<6); /* ADCLRC → gpio (for jack detect output) */
 	wr(0x30, 3<<4 | 2<<2 | 1<<1); /* gpio jack detect out; JD2 jack detect in; Tsense on */