ptsserv: fix pts lookup fail issue [3/3]

PD#SWPL-3730

Problem:
playback not smooth

Solution:
if p2 lookup fail, set p2 = p

Verify:
  verified by x301

Change-Id: I181eae2ba40edd937df12e0925c2a55c856162ba
Signed-off-by: rongrong zhou <rongrong.zhou@amlogic.com>

diff --git a/drivers/amlogic/media/frame_sync/ptsserv.c b/drivers/amlogic/media/frame_sync/ptsserv.c
index dde139f..82e1213 100644 (file)
--- a/drivers/amlogic/media/frame_sync/ptsserv.c
+++ b/drivers/amlogic/media/frame_sync/ptsserv.c
@@ -752,6 +752,11 @@ static int pts_lookup_offset_inline_locked(u8 type, u32 offset, u32 *val,
 
                                p2 = p;
                        }
+                       /* if p2 lookup fail, set p2 = p */
+                       if (type == PTS_TYPE_VIDEO && p2 && p &&
+                       OFFSET_DIFF(offset, p2->offset) > lookup_threshold &&
+                       OFFSET_DIFF(offset, p->offset) < lookup_threshold)
+                               p2 = p;
                } else if (OFFSET_LATER(p->offset, offset)) {
                        list_for_each_entry_continue_reverse(p,
                                        &pTable->