1 files changed, 21 insertions, 0 deletions
diff --git a/hw/input/adb.c b/hw/input/adb.c
index b3ad7c5fca..70aa1f4570 100644
--- a/hw/input/adb.c
+++ b/hw/input/adb.c
@@ -157,6 +157,26 @@ void adb_set_autopoll_mask(ADBBusState *s, uint16_t mask)
     }
 }
 
+void adb_autopoll_block(ADBBusState *s)
+{
+    s->autopoll_blocked = true;
+
+    if (s->autopoll_enabled) {
+        timer_del(s->autopoll_timer);
+    }
+}
+
+void adb_autopoll_unblock(ADBBusState *s)
+{
+    s->autopoll_blocked = false;
+
+    if (s->autopoll_enabled) {
+        timer_mod(s->autopoll_timer,
+                  qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) +
+                  s->autopoll_rate_ms);
+    }
+}
+
 static void adb_autopoll(void *opaque)
 {
     ADBBusState *s = opaque;
@@ -184,6 +204,7 @@ static const VMStateDescription vmstate_adb_bus = {
         VMSTATE_BOOL(autopoll_enabled, ADBBusState),
         VMSTATE_UINT8(autopoll_rate_ms, ADBBusState),
         VMSTATE_UINT16(autopoll_mask, ADBBusState),
+        VMSTATE_BOOL(autopoll_blocked, ADBBusState),
         VMSTATE_END_OF_LIST()
     }
 };