Commit efce8410 authored by Michael Krufky's avatar Michael Krufky Committed by Mauro Carvalho Chehab
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V4L/DVB (6723): tda18271: only force init once during attach 



Once the image rejection calibration procedure has been successful,
we should not initialize the tuner registers again.

Signed-off-by: default avatarMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 2b057e8d

drivers/media/dvb/frontends/tda18271-fe.c

+17 −1
Original line number Diff line number Diff line
@@ -337,6 +337,20 @@ static int tda18271_init_regs(struct dvb_frontend *fe) 
	return 0;

}



static int tda18271_init(struct dvb_frontend *fe)

{

	struct tda18271_priv *priv = fe->tuner_priv;

	unsigned char *regs = priv->tda18271_regs;



	tda18271_read_regs(fe);



	/* test IR_CAL_OK to see if we need init */

	if ((regs[R_EP1] & 0x08) == 0)

		tda18271_init_regs(fe);



	return 0;

}



static int tda18271_tune(struct dvb_frontend *fe,

			 u32 ifc, u32 freq, u32 bw, u8 std)

{
@@ -742,7 +756,7 @@ static struct dvb_tuner_ops tda18271_tuner_ops = { 
		.frequency_max  = 864000000,

		.frequency_step =     62500

	},

	.init              = tda18271_init_regs,

	.init              = tda18271_init,

	.set_params        = tda18271_set_params,

	.set_analog_params = tda18271_set_analog_params,

	.release           = tda18271_release,
@@ -768,6 +782,8 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, 


	fe->tuner_priv = priv;



	tda18271_init_regs(fe);



	return fe;

}

EXPORT_SYMBOL_GPL(tda18271_attach);