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V4L/DVB (7028): tda18271: test RF_CAL_OK to see if we need additional RF calibration

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Test RF_CAL_OK to see if we need to perform the RF tracking filter
calibration after returning from standby.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Michael Krufky 2008-01-13 18:29:44 -03:00 committed by Mauro Carvalho Chehab
parent 518d87399b
commit 839c6c96d0
1 changed files with 5 additions and 0 deletions
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5
drivers/media/dvb/frontends/tda18271-fe.c
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@ -586,6 +586,11 @@ static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe)
static int tda18271_rf_cal_init(struct dvb_frontend *fe)
{
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
/* test RF_CAL_OK to see if we need init */
if ((regs[R_EP1] & 0x10) == 0)
priv->cal_initialized = false;
if (priv->cal_initialized)
return 0;