From 40194b2b1bdd01358c1e9b5a9b8dd78390cc05f7 Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Tue, 22 Apr 2008 14:46:22 -0300 Subject: [PATCH] V4L/DVB (7434): tda18271: set rfagc modes during channel configuration Set rfagc to high speed mode before setting the pll. Set rfagc to normal speed mode at the end of the function. Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/tda18271-fe.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/media/dvb/frontends/tda18271-fe.c b/drivers/media/dvb/frontends/tda18271-fe.c index 4a025849a3..b3b0425dbb 100644 --- a/drivers/media/dvb/frontends/tda18271-fe.c +++ b/drivers/media/dvb/frontends/tda18271-fe.c @@ -50,6 +50,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, regs[R_EP3] &= ~0x1f; /* clear std bits */ regs[R_EP3] |= (map->agc_mode << 3) | map->std; + /* set rfagc to high speed mode */ + regs[R_EP3] &= ~0x04; + /* set cal mode to normal */ regs[R_EP4] &= ~0x03; @@ -125,7 +128,14 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe, regs[R_EB4] &= ~0x20; tda18271_write_regs(fe, R_EB4, 1); - msleep(5); + msleep(20); + + /* set rfagc to normal speed mode */ + if (map->fm_rfn) + regs[R_EP3] &= ~0x04; + else + regs[R_EP3] |= 0x04; + tda18271_write_regs(fe, R_EP3, 1); return 0; } -- 2.39.5