softpll: fix incorrect sign in ptracker sign wraparound check

a7da99f4 · Tomasz Wlostowski · Alessandro Rubini · fe7251ba · a7da99f4
Commit a7da99f4 authored Oct 25, 2013 by Tomasz Wlostowski Committed by Alessandro Rubini Jan 12, 2014
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spll_ptracker.c rt/softpll/spll_ptracker.c +2 -3

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--- a/rt/softpll/spll_ptracker.c
+++ b/rt/softpll/spll_ptracker.c
@@ -33,19 +33,18 @@ void ptracker_start(struct spll_ptracker_state *s)
 	s->avg_count = 0;

 	spll_enable_tagger(s->id, 1);
+	spll_enable_tagger(spll_n_chan_ref, 1);
 }

 int ptrackers_update(struct spll_ptracker_state *ptrackers, int tag,
 			   int source)
 {
 	const int adj_tab[16] = { /* psign */ 
-														/* 0   - 1/4   */  0, 0, 0, (1<<HPLL_N),
+														/* 0   - 1/4   */  0, 0, 0, -(1<<HPLL_N),
 														/* 1/4 - 1/2  */   0, 0, 0, 0,
 														/* 1/2 - 3/4  */   0, 0, 0, 0,
 														/* 3/4 - 1   */    (1<<HPLL_N), 0, 0, 0};
 												
-	if (source > spll_n_chan_ref)
-		return 0;
 	if(source == spll_n_chan_ref)
 	{
 		tag_ref = tag;