virtio-input: support absolute axis config in pass-through

VIRTIO_INPUT_CFG_ABS_INFO was not implemented for pass-through input
devices. This patch follows the existing design and pre-fetches the
config for all absolute axes using EVIOCGABS at realize time.

Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Message-id: 1460558603-18331-1-git-send-email-lprosek@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/hw/input/virtio-input.c b/hw/input/virtio-input.c
index ac019c7..f59749a 100644
--- a/hw/input/virtio-input.c
+++ b/hw/input/virtio-input.c
@@ -99,9 +99,9 @@
     virtio_notify(vdev, vinput->sts);
 }
 
-static virtio_input_config *virtio_input_find_config(VirtIOInput *vinput,
-                                                     uint8_t select,
-                                                     uint8_t subsel)
+virtio_input_config *virtio_input_find_config(VirtIOInput *vinput,
+                                              uint8_t select,
+                                              uint8_t subsel)
 {
     VirtIOInputConfig *cfg;