Now that kodi includes the latest amlogic patches you need to modify kernel config tomake use of them - now everything wrks fine on wetek play live tv with tvh on my end
use following diff
diff --git a/projects/WeTek_Play/linux/linux.arm.conf b/projects/WeTek_Play/linux/linux.arm.conf
index 54d36d2..03b6055 100644
--- a/projects/WeTek_Play/linux/linux.arm.conf
+++ b/projects/WeTek_Play/linux/linux.arm.conf
@@ -1264,13 +1264,13 @@ CONFIG_POST_PROCESS_MANAGER_3D_PROCESS=y
# V4L2 Video Support
#
# CONFIG_V4L_AMLOGIC_VIDEO is not set
-# CONFIG_V4L_AMLOGIC_VIDEO2 is not set
-
+CONFIG_V4L_AMLOGIC_VIDEO2=y
+CONFIG_V4L_AMLOGIC_VIDEO=y
#
# Amlogic ion video support
#
-# CONFIG_VIDEOBUF2_ION is not set
-# CONFIG_AMLOGIC_IONVIDEO is not set
+CONFIG_VIDEOBUF2_ION=y
+CONFIG_AMLOGIC_IONVIDEO=y
#
# Deinterlace driver