From aaeccba68a60eedee5fe90f9e1478367b1f97345 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Sun, 2 Dec 2007 11:03:57 -0300 Subject: V4L/DVB (6726): tda18271: set image rejection validity Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/tda18271-fe.c | 11 ++++++++++- drivers/media/dvb/frontends/tda18271-priv.h | 1 + drivers/media/dvb/frontends/tda18271-tables.c | 8 ++++++++ 3 files changed, 19 insertions(+), 1 deletion(-) (limited to 'drivers/media/dvb') diff --git a/drivers/media/dvb/frontends/tda18271-fe.c b/drivers/media/dvb/frontends/tda18271-fe.c index 01de75e369e..fee38c1657e 100644 --- a/drivers/media/dvb/frontends/tda18271-fe.c +++ b/drivers/media/dvb/frontends/tda18271-fe.c @@ -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; diff --git a/drivers/media/dvb/frontends/tda18271-priv.h b/drivers/media/dvb/frontends/tda18271-priv.h index 71b4d796369..a3158eb2559 100644 --- a/drivers/media/dvb/frontends/tda18271-priv.h +++ b/drivers/media/dvb/frontends/tda18271-priv.h @@ -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__ */ diff --git a/drivers/media/dvb/frontends/tda18271-tables.c b/drivers/media/dvb/frontends/tda18271-tables.c index a018b514087..d65d3411e36 100644 --- a/drivers/media/dvb/frontends/tda18271-tables.c +++ b/drivers/media/dvb/frontends/tda18271-tables.c @@ -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. * --------------------------------------------------------------------------- -- cgit v1.2.3