From: Michael Krufky Date: Sun, 13 Jan 2008 21:29:44 +0000 (-0300) Subject: V4L/DVB (7028): tda18271: test RF_CAL_OK to see if we need additional RF calibration X-Git-Tag: firefly_0821_release~23728^2~39 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=839c6c96d05894815b7af0dff22b710ce5a4373a;p=firefly-linux-kernel-4.4.55.git V4L/DVB (7028): tda18271: test RF_CAL_OK to see if we need additional RF calibration 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 Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/dvb/frontends/tda18271-fe.c b/drivers/media/dvb/frontends/tda18271-fe.c index c8ab1fda1dea..8eb9a537970a 100644 --- a/drivers/media/dvb/frontends/tda18271-fe.c +++ b/drivers/media/dvb/frontends/tda18271-fe.c @@ -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;