cam :msm: Add debug logs in cam sync module
Allows for more clarity in the debug process.
Change-Id: I8e4302e97ebc727227f5d6d8d8d2092745647513
Signed-off-by: vhajeri <vhajeri@codeaurora.org>
diff --git a/drivers/media/platform/msm/camera/cam_sync/cam_sync.c b/drivers/media/platform/msm/camera/cam_sync/cam_sync.c
index ae9f74c..a9101f24 100644
--- a/drivers/media/platform/msm/camera/cam_sync/cam_sync.c
+++ b/drivers/media/platform/msm/camera/cam_sync/cam_sync.c
@@ -31,6 +31,7 @@
idx = find_first_zero_bit(sync_dev->bitmap, CAM_SYNC_MAX_OBJS);
if (idx >= CAM_SYNC_MAX_OBJS)
return -ENOMEM;
+ CAM_DBG(CAM_SYNC, "Index location available at idx: %ld", idx);
bit = test_and_set_bit(idx, sync_dev->bitmap);
} while (bit);
@@ -97,6 +98,8 @@
INIT_WORK(&sync_cb->cb_dispatch_work,
cam_sync_util_cb_dispatch);
sync_cb->status = row->state;
+ CAM_DBG(CAM_SYNC, "Callback trigger for sync object:%d",
+ sync_cb->sync_obj);
queue_work(sync_dev->work_queue,
&sync_cb->cb_dispatch_work);
@@ -134,6 +137,8 @@
return -EINVAL;
}
+ CAM_DBG(CAM_SYNC, "deregistered callback for sync object:%d",
+ sync_obj);
list_for_each_entry_safe(sync_cb, temp, &row->callback_list, list) {
if (sync_cb->callback_func == cb_func &&
sync_cb->cb_data == userdata) {
@@ -202,6 +207,9 @@
rc = cam_sync_util_add_to_signalable_list(sync_obj, status, &sync_list);
if (rc < 0) {
spin_unlock_bh(&sync_dev->row_spinlocks[sync_obj]);
+ CAM_ERR(CAM_SYNC,
+ "Error: Unable to add sync object :%d to signalable list",
+ sync_obj);
return rc;
}
@@ -255,6 +263,7 @@
spin_lock_bh(&sync_dev->row_spinlocks[list_info->sync_obj]);
/* Dispatch kernel callbacks if any were registered earlier */
+
list_for_each_entry_safe(sync_cb,
temp_sync_cb, &signalable_row->callback_list, list) {
sync_cb->status = list_info->status;
@@ -341,7 +350,7 @@
spin_unlock_bh(&sync_dev->row_spinlocks[idx]);
return -EINVAL;
}
-
+ CAM_DBG(CAM_SYNC, "Init row at idx:%ld to merge objects", idx);
*merged_obj = idx;
spin_unlock_bh(&sync_dev->row_spinlocks[idx]);
diff --git a/drivers/media/platform/msm/camera/cam_sync/cam_sync_util.c b/drivers/media/platform/msm/camera/cam_sync/cam_sync_util.c
index 826253c..4bc065d 100644
--- a/drivers/media/platform/msm/camera/cam_sync/cam_sync_util.c
+++ b/drivers/media/platform/msm/camera/cam_sync/cam_sync_util.c
@@ -51,6 +51,8 @@
init_completion(&row->signaled);
INIT_LIST_HEAD(&row->callback_list);
INIT_LIST_HEAD(&row->user_payload_list);
+ CAM_DBG(CAM_SYNC, "Sync object Initialised: sync_id:%u row_state:%u ",
+ row->sync_id, row->state);
return 0;
}
@@ -308,6 +310,7 @@
clear_bit(idx, sync_dev->bitmap);
spin_unlock_bh(&sync_dev->row_spinlocks[idx]);
+ CAM_DBG(CAM_SYNC, "Destroying sync obj:%d successful", idx);
return 0;
}
@@ -345,6 +348,8 @@
memcpy(payload_data, payload, len);
v4l2_event_queue(sync_dev->vdev, &event);
+ CAM_DBG(CAM_SYNC, "send v4l2 event for sync_obj :%d",
+ sync_obj);
}
int cam_sync_util_validate_merge(uint32_t *sync_obj, uint32_t num_objs)
@@ -387,6 +392,8 @@
signalable_info->status = status;
list_add_tail(&signalable_info->list, sync_list);
+ CAM_DBG(CAM_SYNC, "Add sync_obj :%d with status :%d to signalable list",
+ sync_obj, status);
return 0;
}