Commit aaeccba6 authored by Michael Krufky's avatar Michael Krufky Committed by Mauro Carvalho Chehab
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V4L/DVB (6726): tda18271: set image rejection validity 



Signed-off-by: default avatarMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 293da0ec

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

+10 −1
Original line number Diff line number Diff line
@@ -578,7 +578,16 @@ static int tda18271_tune(struct dvb_frontend *fe, 


	regs[R_EP4]  &= ~0x80; /* turn this bit on only for fm */



	/* FIXME: image rejection validity EP5[2:0] */

	/* image rejection validity EP5[2:0] */

	i = 0;

	while ((tda18271_ir_measure[i].rfmax * 1000) < freq) {

		if (tda18271_ir_measure[i].rfmax == 0)

			break;

		i++;

	}

	dbg_map("ir measure, i = %d\n", i);

	regs[R_EP5] &= ~0x07;

	regs[R_EP5] |= tda18271_ir_measure[i].val;



	/* calculate MAIN PLL */

	N = freq + ifc;

drivers/media/dvb/frontends/tda18271-priv.h

+1 −0
Original line number Diff line number Diff line
@@ -84,6 +84,7 @@ extern struct tda18271_map tda18271_km[]; 
extern struct tda18271_map tda18271_rf_band[];

extern struct tda18271_map tda18271_gain_taper[];

extern struct tda18271_map tda18271_rf_cal[];

extern struct tda18271_map tda18271_ir_measure[];



#endif /* __TDA18271_PRIV_H__ */

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

+8 −0
Original line number Diff line number Diff line
@@ -244,6 +244,14 @@ struct tda18271_map tda18271_rf_cal[] = { 
	{ .rfmax =     0, .val = 0x00 }, /* end */

};



struct tda18271_map tda18271_ir_measure[] = {

	{ .rfmax =  30000, .val = 4},

	{ .rfmax = 200000, .val = 5},

	{ .rfmax = 600000, .val = 6},

	{ .rfmax = 865000, .val = 7},

	{ .rfmax =      0, .val = 0}, /* end */

};



/*

 * Overrides for Emacs so that we follow Linus's tabbing style.

 * ---------------------------------------------------------------------------