diff options
Diffstat (limited to 'drivers/media/dvb-frontends/ts2020.c')
| -rw-r--r-- | drivers/media/dvb-frontends/ts2020.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/media/dvb-frontends/ts2020.c b/drivers/media/dvb-frontends/ts2020.c index 946d8e9502fd..f61b143a0052 100644 --- a/drivers/media/dvb-frontends/ts2020.c +++ b/drivers/media/dvb-frontends/ts2020.c @@ -22,6 +22,7 @@ #include "dvb_frontend.h" #include "ts2020.h" #include <linux/regmap.h> +#include <linux/math64.h> #define TS2020_XTAL_FREQ 27000 /* in kHz */ #define FREQ_OFFSET_LOW_SYM_RATE 3000 @@ -483,13 +484,13 @@ static int ts2020_read_signal_strength(struct dvb_frontend *fe, strength = 0; else if (gain < -65000) /* 0% - 60%: weak signal */ - strength = 0 + (85000 + gain) * 3 / 1000; + strength = 0 + div64_s64((85000 + gain) * 3, 1000); else if (gain < -45000) /* 60% - 90%: normal signal */ - strength = 60 + (65000 + gain) * 3 / 2000; + strength = 60 + div64_s64((65000 + gain) * 3, 2000); else /* 90% - 99%: strong signal */ - strength = 90 + (45000 + gain) / 5000; + strength = 90 + div64_s64((45000 + gain), 5000); *_signal_strength = strength * 65535 / 100; return 0; |