diff --git a/sys/v4l2/gstv4l2object.c b/sys/v4l2/gstv4l2object.c
index 1079c43011..0658e7ca50 100644
--- a/sys/v4l2/gstv4l2object.c
+++ b/sys/v4l2/gstv4l2object.c
@@ -2416,9 +2416,12 @@ return_data:
       "height", G_TYPE_INT, (gint) height, NULL);
 
   gst_v4l2_object_add_aspect_ratio (v4l2object, s);
-  gst_v4l2_object_add_interlace_mode (v4l2object, s, width, height,
-      pixelformat);
-  gst_v4l2_object_add_colorspace (v4l2object, s, width, height, pixelformat);
+
+  if (!v4l2object->skip_try_fmt_probes) {
+    gst_v4l2_object_add_interlace_mode (v4l2object, s, width, height,
+        pixelformat);
+    gst_v4l2_object_add_colorspace (v4l2object, s, width, height, pixelformat);
+  }
 
   if (G_IS_VALUE (&rates)) {
     gst_v4l2src_value_simplify (&rates);
@@ -2738,13 +2741,17 @@ default_frame_sizes:
     else
       gst_structure_set (tmp, "height", GST_TYPE_INT_RANGE, min_h, max_h, NULL);
 
-    /* We could consider setting interlace mode from min and max. */
-    gst_v4l2_object_add_interlace_mode (v4l2object, tmp, max_w, max_h,
-        pixelformat);
     gst_v4l2_object_add_aspect_ratio (v4l2object, tmp);
-    /* We could consider to check colorspace for min too, in case it depends on
-     * the size. But in this case, min and max could not be enough */
-    gst_v4l2_object_add_colorspace (v4l2object, tmp, max_w, max_h, pixelformat);
+
+    if (!v4l2object->skip_try_fmt_probes) {
+      /* We could consider setting interlace mode from min and max. */
+      gst_v4l2_object_add_interlace_mode (v4l2object, tmp, max_w, max_h,
+          pixelformat);
+      /* We could consider to check colorspace for min too, in case it depends on
+       * the size. But in this case, min and max could not be enough */
+      gst_v4l2_object_add_colorspace (v4l2object, tmp, max_w, max_h,
+          pixelformat);
+    }
 
     gst_v4l2_object_update_and_append (v4l2object, pixelformat, ret, tmp);
     return ret;
@@ -3110,6 +3117,10 @@ gst_v4l2_object_set_format_full (GstV4l2Object * v4l2object, GstCaps * caps,
   enum v4l2_quantization range = 0;
   enum v4l2_ycbcr_encoding matrix = 0;
   enum v4l2_xfer_func transfer = 0;
+  GstStructure *s;
+
+  g_return_val_if_fail (!v4l2object->skip_try_fmt_probes ||
+      gst_caps_is_writable (caps), FALSE);
 
   GST_V4L2_CHECK_OPEN (v4l2object);
   if (!try_only)
@@ -3418,6 +3429,20 @@ gst_v4l2_object_set_format_full (GstV4l2Object * v4l2object, GstCaps * caps,
           gst_structure_get_string (s, "colorimetry")))
     goto invalid_colorimetry;
 
+  /* In case we have skipped the try_fmt probes, we'll need to set the
+   * colorimetry and interlace-mode back into the caps. */
+  if (v4l2object->skip_try_fmt_probes) {
+    if (!gst_structure_has_field (s, "colorimetry")) {
+      gchar *str = gst_video_colorimetry_to_string (&info.colorimetry);
+      gst_structure_set (s, "colorimetry", G_TYPE_STRING, str, NULL);
+      g_free (str);
+    }
+
+    if (!gst_structure_has_field (s, "interlace-mode"))
+      gst_structure_set (s, "interlace-mode", G_TYPE_STRING,
+          gst_video_interlace_mode_to_string (info.interlace_mode), NULL);
+  }
+
   if (try_only)                 /* good enough for trying only */
     return TRUE;
 
diff --git a/sys/v4l2/gstv4l2object.h b/sys/v4l2/gstv4l2object.h
index a0c74b46ec..0df840e604 100644
--- a/sys/v4l2/gstv4l2object.h
+++ b/sys/v4l2/gstv4l2object.h
@@ -218,6 +218,10 @@ struct _GstV4l2Object {
   /* Allow to skip reading initial format through G_FMT. Some devices
    * just fails if you don't call S_FMT first. (ex: M2M decoders) */
   gboolean no_initial_format;
+  /* Avoid any try_fmt probe. This is used by v4l2src to speedup start up time
+   * on slow USB firmwares. When this is set, gst_v4l2_set_format() will modify
+   * the caps to reflect what was negotiated during fixation */
+  gboolean skip_try_fmt_probes;
 };
 
 struct _GstV4l2ObjectClassHelper {