From 3079b3cb678cc5659d52dbac48c93ee406f38df6 Mon Sep 17 00:00:00 2001
From: Andrew de Quincy <devnull@localhost>
Date: Tue, 9 Nov 2004 19:07:14 +0000
Subject: Added delay loop

---
 linux/drivers/media/dvb/ttpci/av7110.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'linux/drivers/media/dvb')

diff --git a/linux/drivers/media/dvb/ttpci/av7110.c b/linux/drivers/media/dvb/ttpci/av7110.c
index cc646721d..418fc6438 100644
--- a/linux/drivers/media/dvb/ttpci/av7110.c
+++ b/linux/drivers/media/dvb/ttpci/av7110.c
@@ -1650,6 +1650,8 @@ static int nexusca_stv0297_pll_set(struct dvb_frontend* fe, struct dvb_frontend_
 	u32 div;
 	u8 data[4];
 	struct i2c_msg msg = { .addr = 0x63, .flags = 0, .buf = data, .len = sizeof(data) };
+	struct i2c_msg readmsg = { .addr = 0x63, .flags = I2C_M_RD, .buf = data, .len = 1 };
+	int i;
 
 	// this calculation does not match the TDA6405TS datasheet!
 	div = (params->frequency + 36150000) / 62500;
@@ -1675,7 +1677,15 @@ static int nexusca_stv0297_pll_set(struct dvb_frontend* fe, struct dvb_frontend_
 		return -EIO;
 	}
 
-	msleep(20);
+	// wait for PLL lock
+	for(i=0; i< 20; i++) {
+
+		stv0297_enable_plli2c(fe);
+		if (i2c_transfer (&av7110->i2c_adap, &readmsg, 1) == 1)
+			if (data[0] & 0x40) break;
+		msleep(10);
+	}
+
 	return 0;
 }
 
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