dvb-fe: Supress statistics if signal lock vanishes

If for some reason the signal unlocks, the DVB driver should be
marking the stats as unavailable. Make the dvbv5 library to
honourg it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/lib/libdvbv5/dvb-fe.c b/lib/libdvbv5/dvb-fe.c
index f20e748..550b6e2 100644 (file)
--- a/lib/libdvbv5/dvb-fe.c
+++ b/lib/libdvbv5/dvb-fe.c
@@ -1074,9 +1074,9 @@ static void dvb_fe_update_counters(struct dvb_v5_fe_parms *parms)
 
        for (i = 0; i < MAX_DTV_STATS; i++) {
                count = dvb_fe_retrieve_stats_layer(parms, DTV_STAT_POST_TOTAL_BIT_COUNT, i);
-               if (count) {
+               if (count && count->scale != FE_SCALE_NOT_AVAILABLE) {
                        error = dvb_fe_retrieve_stats_layer(parms, DTV_STAT_POST_ERROR_BIT_COUNT, i);
-                       if (!error) {
+                       if (!error || error->scale == FE_SCALE_NOT_AVAILABLE) {
                                parms->stats.has_post_ber[i] = 0;
                        } else if(count->uvalue != parms->stats.cur[i].post_bit_count) {
                                parms->stats.prev[i].post_bit_count = parms->stats.cur[i].post_bit_count;
@@ -1090,9 +1090,9 @@ static void dvb_fe_update_counters(struct dvb_v5_fe_parms *parms)
                } else
                        parms->stats.has_post_ber[i] = 0;
                count = dvb_fe_retrieve_stats_layer(parms, DTV_STAT_PRE_TOTAL_BIT_COUNT, i);
-               if (count) {
+               if (count && count->scale != FE_SCALE_NOT_AVAILABLE) {
                        error = dvb_fe_retrieve_stats_layer(parms, DTV_STAT_PRE_ERROR_BIT_COUNT, i);
-                       if (!error) {
+                       if (!error || error->scale == FE_SCALE_NOT_AVAILABLE) {
                                parms->stats.has_pre_ber[i] = 0;
                        } else if(count->uvalue != parms->stats.cur[i].pre_bit_count) {
                                parms->stats.prev[i].pre_bit_count = parms->stats.cur[i].pre_bit_count;
@@ -1106,9 +1106,9 @@ static void dvb_fe_update_counters(struct dvb_v5_fe_parms *parms)
                } else
                        parms->stats.has_pre_ber[i] = 0;
                count = dvb_fe_retrieve_stats_layer(parms, DTV_STAT_TOTAL_BLOCK_COUNT, i);
-               if (count) {
+               if (count && count->scale != FE_SCALE_NOT_AVAILABLE) {
                        error = dvb_fe_retrieve_stats_layer(parms, DTV_STAT_ERROR_BLOCK_COUNT, i);
-                       if (!error) {
+                       if (!error || error->scale == FE_SCALE_NOT_AVAILABLE) {
                                parms->stats.has_per[i] = 0;
                        } else if (count->uvalue != parms->stats.cur[i].block_count) {
                                parms->stats.prev[i].block_count = parms->stats.cur[i].block_count;