V4L/DVB (6977): tda18271: clean up calibration initialization procedures

Always initialize registers during attach.

Perform IR Calibration during init if needed.
Perform RF Calibration during init if needed for C2, only.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/frontends/tda18271-priv.h b/drivers/media/dvb/frontends/tda18271-priv.h
index 6e04258..7b06e05 100644
--- a/drivers/media/dvb/frontends/tda18271-priv.h
+++ b/drivers/media/dvb/frontends/tda18271-priv.h
@@ -105,6 +105,7 @@
 	enum tda18271_i2c_gate gate;
 	enum tda18271_ver id;
 
+	unsigned int tm_rfcal;
 	unsigned int cal_initialized:1;
 
 	struct tda18271_map_layout *maps;