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Diffstat (limited to 'drivers/media/common/tuners/tda18271-fe.c')
-rw-r--r--drivers/media/common/tuners/tda18271-fe.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c
index 9ad4454a148d..d884f5eee73c 100644
--- a/drivers/media/common/tuners/tda18271-fe.c
+++ b/drivers/media/common/tuners/tda18271-fe.c
@@ -579,8 +579,8 @@ static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq)
#define RF3 2
u32 rf_default[3];
u32 rf_freq[3];
- u8 prog_cal[3];
- u8 prog_tab[3];
+ s32 prog_cal[3];
+ s32 prog_tab[3];
i = tda18271_lookup_rf_band(fe, &freq, NULL);
@@ -602,32 +602,33 @@ static int tda18271_rf_tracking_filters_init(struct dvb_frontend *fe, u32 freq)
return bcal;
tda18271_calc_rf_cal(fe, &rf_freq[rf]);
- prog_tab[rf] = regs[R_EB14];
+ prog_tab[rf] = (s32)regs[R_EB14];
if (1 == bcal)
- prog_cal[rf] = tda18271_calibrate_rf(fe, rf_freq[rf]);
+ prog_cal[rf] =
+ (s32)tda18271_calibrate_rf(fe, rf_freq[rf]);
else
prog_cal[rf] = prog_tab[rf];
switch (rf) {
case RF1:
map[i].rf_a1 = 0;
- map[i].rf_b1 = (s32)(prog_cal[RF1] - prog_tab[RF1]);
+ map[i].rf_b1 = (prog_cal[RF1] - prog_tab[RF1]);
map[i].rf1 = rf_freq[RF1] / 1000;
break;
case RF2:
- dividend = (s32)(prog_cal[RF2] - prog_tab[RF2]) -
- (s32)(prog_cal[RF1] + prog_tab[RF1]);
+ dividend = (prog_cal[RF2] - prog_tab[RF2] -
+ prog_cal[RF1] + prog_tab[RF1]);
divisor = (s32)(rf_freq[RF2] - rf_freq[RF1]) / 1000;
map[i].rf_a1 = (dividend / divisor);
map[i].rf2 = rf_freq[RF2] / 1000;
break;
case RF3:
- dividend = (s32)(prog_cal[RF3] - prog_tab[RF3]) -
- (s32)(prog_cal[RF2] + prog_tab[RF2]);
+ dividend = (prog_cal[RF3] - prog_tab[RF3] -
+ prog_cal[RF2] + prog_tab[RF2]);
divisor = (s32)(rf_freq[RF3] - rf_freq[RF2]) / 1000;
map[i].rf_a2 = (dividend / divisor);
- map[i].rf_b2 = (s32)(prog_cal[RF2] - prog_tab[RF2]);
+ map[i].rf_b2 = (prog_cal[RF2] - prog_tab[RF2]);
map[i].rf3 = rf_freq[RF3] / 1000;
break;
default: