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| author | Henk Vergonet <Henk.Vergonet@gmail.com> | 2009-09-15 02:09:17 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-09-19 00:13:50 -0300 |
| commit | b5d189702b56c5d09bec71798c0314090b36116d (patch) | |
| tree | a8ac6ecb76ca81c6cb7f0cf9fc484bc1306375ff /drivers/media/common | |
| parent | ecda427340b7bb5c61fbf18857645286c2bfec6c (diff) | |
| download | kernel-crypto-b5d189702b56c5d09bec71798c0314090b36116d.tar.gz kernel-crypto-b5d189702b56c5d09bec71798c0314090b36116d.tar.xz kernel-crypto-b5d189702b56c5d09bec71798c0314090b36116d.zip | |
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.c | 2 |
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 916a6e15086..64595112000 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); |