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>
diff --git a/drivers/media/dvb/frontends/tda18271-fe.c b/drivers/media/dvb/frontends/tda18271-fe.c
index 4a02584..b3b0425 100644
--- a/drivers/media/dvb/frontends/tda18271-fe.c
+++ b/drivers/media/dvb/frontends/tda18271-fe.c
@@ -50,6 +50,9 @@
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 @@
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;
}