V4L/DVB (9301): pvrusb2: Keep MPEG PTSs from drifting away

(Mike Isely) This change was empirically figured out by Boris Dores
after empirically comparing against behavior in the Windows driver.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/media/video/pvrusb2/pvrusb2-encoder.c b/drivers/media/video/pvrusb2/pvrusb2-encoder.c
index a1252d673b41..273d2a1aa220 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-encoder.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-encoder.c
@@ -402,6 +402,10 @@ static int pvr2_encoder_prep_config(struct pvr2_hdw *hdw)
         ret |= pvr2_encoder_vcmd(hdw, CX2341X_ENC_MISC,4, 0,3,0,0);
         ret |= pvr2_encoder_vcmd(hdw, CX2341X_ENC_MISC,4,15,0,0,0);
 
+        /* prevent the PTSs from slowly drifting away in the generated
+           MPEG stream */
+        ret |= pvr2_encoder_vcmd(hdw, CX2341X_ENC_MISC, 2, 4, 1);
+
         return ret;
 }