From 01d6df438da20538ac9afb8e2219ea45e8a78bd6 Mon Sep 17 00:00:00 2001
From: Youness Alaoui <youness.alaoui@collabora.co.uk>
Date: Wed, 7 Nov 2012 15:38:19 -0500
Subject: [PATCH] androidcamera: Do not advertise zoom capabilities if camera
 doesn't support zoom

---
 sys/androidcamera/gstahcsrc.c | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/sys/androidcamera/gstahcsrc.c b/sys/androidcamera/gstahcsrc.c
index 912008b58d..80a670508f 100644
--- a/sys/androidcamera/gstahcsrc.c
+++ b/sys/androidcamera/gstahcsrc.c
@@ -1326,10 +1326,24 @@ gst_ahc_src_set_focus_mode (GstPhotography * photo, GstFocusMode focus_mode)
 static GstPhotoCaps
 gst_ahc_src_get_capabilities (GstPhotography * photo)
 {
-  return GST_PHOTOGRAPHY_CAPS_EV_COMP | GST_PHOTOGRAPHY_CAPS_WB_MODE |
-      GST_PHOTOGRAPHY_CAPS_TONE | GST_PHOTOGRAPHY_CAPS_SCENE |
-      GST_PHOTOGRAPHY_CAPS_FLASH | GST_PHOTOGRAPHY_CAPS_ZOOM |
-      GST_PHOTOGRAPHY_CAPS_FOCUS;
+  GstAHCSrc *self = GST_AHC_SRC (photo);
+
+  GstPhotoCaps caps = GST_PHOTOGRAPHY_CAPS_EV_COMP |
+      GST_PHOTOGRAPHY_CAPS_WB_MODE | GST_PHOTOGRAPHY_CAPS_TONE |
+      GST_PHOTOGRAPHY_CAPS_SCENE | GST_PHOTOGRAPHY_CAPS_FLASH |
+      GST_PHOTOGRAPHY_CAPS_FOCUS | GST_PHOTOGRAPHY_CAPS_ZOOM;
+
+  if (self->camera) {
+    GstAHCParameters *params;
+
+    params = gst_ah_camera_get_parameters (self->camera);
+    if (!gst_ahc_parameters_is_zoom_supported (params))
+      caps &= ~GST_PHOTOGRAPHY_CAPS_ZOOM;
+
+    gst_ahc_parameters_free (params);
+  }
+
+  return caps;
 }
 
 static void