From e11ca416da674b594917a09fbbf64a86363fda83 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Tue, 15 Sep 2009 01:09:17 -0400 Subject: tda18271: update temperature compensation calculatation formula From: Henk Vergonet Update the tda18271c2_rf_tracking_filters_correction function to include the modified temperature compensation calculatation formula as described in Rev.04 of the TDA18271HD datasheet. Priority: normal Signed-off-by: Henk Vergonet Signed-off-by: Michael Krufky --- linux/drivers/media/common/tuners/tda18271-fe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'linux') diff --git a/linux/drivers/media/common/tuners/tda18271-fe.c b/linux/drivers/media/common/tuners/tda18271-fe.c index ee99e7199..a3e122c89 100644 --- a/linux/drivers/media/common/tuners/tda18271-fe.c +++ b/linux/drivers/media/common/tuners/tda18271-fe.c @@ -293,7 +293,7 @@ static int tda18271c2_rf_tracking_filters_correction(struct dvb_frontend *fe, tda18271_lookup_map(fe, RF_CAL_DC_OVER_DT, &freq, &dc_over_dt); /* calculate temperature compensation */ - rfcal_comp = dc_over_dt * (tm_current - priv->tm_rfcal); + rfcal_comp = dc_over_dt * (tm_current - priv->tm_rfcal) / 1000; regs[R_EB14] = approx + rfcal_comp; ret = tda18271_write_regs(fe, R_EB14, 1); -- cgit v1.2.3