camera: add iso parameter

Enable with BOARD_CAMERA_HAVE_ISO

From: jt1134 <jt1134@gmail.com>
Date: Mon, 17 Sep 2012 22:05:04 -0500
Subject: [PATCH] camera: add define for ISO settings

Change-Id: I8716a260ad552d3684197237c2055dce129e461e
---
diff --git a/camera/CameraParameters.cpp b/camera/CameraParameters.cpp
index 3cb0cb4..87dbfb2 100644
--- a/camera/CameraParameters.cpp
+++ b/camera/CameraParameters.cpp
@@ -92,6 +92,11 @@
 const char CameraParameters::KEY_VIDEO_STABILIZATION_SUPPORTED[] = "video-stabilization-supported";
 const char CameraParameters::KEY_LIGHTFX[] = "light-fx";
 
+#ifdef HAVE_ISO
+const char CameraParameters::KEY_SUPPORTED_ISO_MODES[] = "iso-values";
+const char CameraParameters::KEY_ISO_MODE[] = "iso";
+#endif
+
 #ifdef SAMSUNG_CAMERA_HARDWARE
 const char CameraParameters::KEY_ANTI_SHAKE_MODE[] = "anti-shake";
 const char CameraParameters::KEY_METERING[] = "metering";