There is a commented code that also detects packet loss.
Uncomment it and put into the DVB_DEMUX_SECTION_LOSS_LOG
debug Kconfig option.

Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>
---
 drivers/media/dvb-core/dvb_demux.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/media/dvb-core/dvb_demux.c 
b/drivers/media/dvb-core/dvb_demux.c
index 5a69b0bda4bb..51bf5eb2df49 100644
--- a/drivers/media/dvb-core/dvb_demux.c
+++ b/drivers/media/dvb-core/dvb_demux.c
@@ -110,21 +110,23 @@ static inline int dvb_dmx_swfilter_payload(struct 
dvb_demux_feed *feed,
 {
        int count = payload(buf);
        int p;
-       //int ccok;
-       //u8 cc;
+#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
+       int ccok;
+       u8 cc;
+#endif
 
        if (count == 0)
                return -1;
 
        p = 188 - count;
 
-       /*
+#ifdef CONFIG_DVB_DEMUX_SECTION_LOSS_LOG
        cc = buf[3] & 0x0f;
        ccok = ((feed->cc + 1) & 0x0f) == cc;
        feed->cc = cc;
        if (!ccok)
                dprintk("missed packet!\n");
-       */
+#endif
 
        if (buf[1] & 0x40)      // PUSI ?
                feed->peslen = 0xfffa;
-- 
2.7.4


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