diff options
Diffstat (limited to 'drivers/media/dvb-frontends')
| -rw-r--r-- | drivers/media/dvb-frontends/stv090x.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/media/dvb-frontends/stv090x.c b/drivers/media/dvb-frontends/stv090x.c index b586d2a49737..7ef469c0c866 100644 --- a/drivers/media/dvb-frontends/stv090x.c +++ b/drivers/media/dvb-frontends/stv090x.c @@ -3692,9 +3692,12 @@ static int stv090x_read_cnr(struct dvb_frontend *fe, u16 *cnr) } val /= 16; last = ARRAY_SIZE(stv090x_s2cn_tab) - 1; - div = stv090x_s2cn_tab[0].read - - stv090x_s2cn_tab[last].read; - *cnr = 0xFFFF - ((val * 0xFFFF) / div); + div = stv090x_s2cn_tab[last].real - + stv090x_s2cn_tab[3].real; + val = stv090x_table_lookup(stv090x_s2cn_tab, last, val); + if (val < 0) + val = 0; + *cnr = val * 0xFFFF / div; } break; @@ -3714,9 +3717,10 @@ static int stv090x_read_cnr(struct dvb_frontend *fe, u16 *cnr) } val /= 16; last = ARRAY_SIZE(stv090x_s1cn_tab) - 1; - div = stv090x_s1cn_tab[0].read - - stv090x_s1cn_tab[last].read; - *cnr = 0xFFFF - ((val * 0xFFFF) / div); + div = stv090x_s1cn_tab[last].real - + stv090x_s1cn_tab[0].real; + val = stv090x_table_lookup(stv090x_s1cn_tab, last, val); + *cnr = val * 0xFFFF / div; } break; default: |