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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 <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Michael Krufky 2008-04-22 14:46:22 -03:00 committed by Mauro Carvalho Chehab
parent e7809a0766
commit 40194b2b1b
1 changed files with 11 additions and 1 deletions
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12
drivers/media/dvb/frontends/tda18271-fe.c
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@ -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;
}