From: Michael Krufky <mkrufky@linuxtv.org>
Date: Mon, 9 Jun 2008 05:03:31 +0000 (-0300)
Subject: V4L/DVB (8036): tda18271: toggle rf agc speed mode on TDA18271HD/C2 only
X-Git-Tag: v2.6.26-rc9~91^2~22
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=51858d13612a06494beb08616f8a93bdb2688e4c;p=linux-2.6

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 98acd58873..1ebf95d677 100644
--- 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;
 }