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authorHenk Vergonet <Henk.Vergonet@gmail.com>2009-09-15 02:09:17 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-09-19 00:13:50 -0300
commitb5d189702b56c5d09bec71798c0314090b36116d (patch)
treea8ac6ecb76ca81c6cb7f0cf9fc484bc1306375ff /drivers/media/common
parentecda427340b7bb5c61fbf18857645286c2bfec6c (diff)
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V4L/DVB (12870): tda18271: update temperature compensation calculatation formula
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. Signed-off-by: Henk Vergonet <Henk.Vergonet@gmail.com> Signed-off-by: Michael Krufky <mkrufky@kernellabs.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/common')
-rw-r--r--drivers/media/common/tuners/tda18271-fe.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c
index 916a6e1..6459511 100644
--- a/drivers/media/common/tuners/tda18271-fe.c
+++ b/drivers/media/common/tuners/tda18271-fe.c
@@ -292,7 +292,7 @@ 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);