msm: camera: Add free status buffer queue

Add support for free buffer queues for vfe
statistics

Change-Id: I9a791d5869aa090f661904b41b210cea51f67aa4
Signed-off-by: Mingcheng Zhu <mingchen@codeaurora.org>
Signed-off-by: Lakshmi Narayana Kalavala <lkalaval@codeaurora.org>
diff --git a/include/media/msm_isp.h b/include/media/msm_isp.h
index 6547795..1f3527b 100644
--- a/include/media/msm_isp.h
+++ b/include/media/msm_isp.h
@@ -203,6 +203,9 @@
 #define VFE_CMD_CAPTURE_RAW                             136
 #define VFE_CMD_STOP_LIVESHOT                           137
 #define VFE_CMD_RECONFIG_VFE                            138
+#define VFE_CMD_STATS_REQBUF                            139
+#define VFE_CMD_STATS_ENQUEUEBUF                        140
+#define VFE_CMD_STATS_FLUSH_BUFQ                        141
 
 struct msm_isp_cmd {
 	int32_t  id;