diff --git a/cmd/camera.c b/cmd/camera.c
index 63607f1..82dad42 100644
--- a/cmd/camera.c
+++ b/cmd/camera.c
@@ -34,6 +34,8 @@ int camera_open(camera_t *camera, const char *path)
     return -1;
   }
 
+  camera->camera->allow_dma = camera->allow_dma;
+
   return 0;;
 }
 
diff --git a/hw/device.c b/hw/device.c
index 7f6505a..6460453 100644
--- a/hw/device.c
+++ b/hw/device.c
@@ -122,7 +122,9 @@ int device_open_buffer_list_output(device_t *dev, buffer_list_t *capture_list)
 {
   return device_open_buffer_list(dev, false,
     capture_list->fmt_width, capture_list->fmt_height,
-    capture_list->fmt_format, capture_list->fmt_bytesperline, capture_list->nbufs, !capture_list->do_mmap);
+    capture_list->fmt_format, capture_list->fmt_bytesperline,
+    capture_list->nbufs,
+    capture_list->device->allow_dma ? !capture_list->do_mmap : true);
 }
 
 int device_open_buffer_list_capture(device_t *dev, buffer_list_t *output_list, float div, unsigned format, bool do_mmap)