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>

1 files changed, 11 insertions, 1 deletions

diff --git a/drivers/media/dvb/frontends/tda18271-fe.c b/drivers/media/dvb/frontends/tda18271-fe.c
index 4a025849a327..b3b0425dbbed 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;
 }