msm: camera: req_mgr: Increase v4l2 queue length

EIS have 6 fences per request and uses 15 frame window. On camera close
it signals ~90 fences at once. This can overflow v4l2 event queue.

Increase v4l2 queue length for sync events to prevent overflow.

CRs-Fixed: 2498880
Change-Id: Ie886318168e326c1525b4f8be5cacc5f70d0c477
Signed-off-by: Trishansh Bhardwaj <[email protected]>

drivers/cam_sync/cam_sync_private.h

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
  */
 
 #ifndef __CAM_SYNC_PRIVATE_H__
@@ -25,7 +25,7 @@
 
 #define CAM_SYNC_OBJ_NAME_LEN           64
 #define CAM_SYNC_MAX_OBJS               1024
-#define CAM_SYNC_MAX_V4L2_EVENTS        50
+#define CAM_SYNC_MAX_V4L2_EVENTS        100
 #define CAM_SYNC_DEBUG_FILENAME         "cam_debug"
 #define CAM_SYNC_DEBUG_BASEDIR          "cam"
 #define CAM_SYNC_DEBUG_BUF_SIZE         32