V4L/DVB (8036): tda18271: toggle rf agc speed mode on TDA18271HD/C2 only

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c
index 98acd588739ab37361bb0ca9c2627105364077c1..1ebf95d6770fe3f626f58d929b8fd2eb26f92e07 100644 (file)
--- a/drivers/media/common/tuners/tda18271-fe.c
+++ b/drivers/media/common/tuners/tda18271-fe.c
@@ -75,8 +75,10 @@ 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;
+       if (priv->id == TDA18271HDC2) {
+               /* set rfagc to high speed mode */
+               regs[R_EP3] &= ~0x04;
+       }
 
        /* set cal mode to normal */
        regs[R_EP4]  &= ~0x03;
@@ -168,12 +170,14 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
 
        msleep(20);
 
-       /* set rfagc to normal speed mode */
-       if (map->fm_rfn)
-               regs[R_EP3] &= ~0x04;
-       else
-               regs[R_EP3] |= 0x04;
-       ret = tda18271_write_regs(fe, R_EP3, 1);
+       if (priv->id == TDA18271HDC2) {
+               /* set rfagc to normal speed mode */
+               if (map->fm_rfn)
+                       regs[R_EP3] &= ~0x04;
+               else
+                       regs[R_EP3] |= 0x04;
+               ret = tda18271_write_regs(fe, R_EP3, 1);
+       }
 fail:
        return ret;
 }