From: Andreas Regel <andreas.regel@gmx.de>
Date: Sat, 13 Feb 2010 19:48:07 +0000 (-0300)
Subject: V4L/DVB: Budget/STV090x/STV6110x: Initialize the demodulator immediately after the... 
X-Git-Tag: MMI-PSA29.97-13-9~23880^2~383
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5817ea0c83665dbc117cb7ca637202da0fb1abce;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

V4L/DVB: Budget/STV090x/STV6110x: Initialize the demodulator immediately after the tuner is attached

Signed-off-by: Andreas Regel <andreas.regel@gmx.de>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c
index 3cc1be28534e..a461fdff2c9c 100644
--- a/drivers/media/dvb/frontends/stv090x.c
+++ b/drivers/media/dvb/frontends/stv090x.c
@@ -4324,6 +4324,20 @@ static int stv090x_init(struct dvb_frontend *fe)
 	u32 reg;
 
 	if (state->internal->mclk == 0) {
+		/* call tuner init to configure the tuner's clock output
+		   divider directly before setting up the master clock of
+		   the stv090x. */
+		if (stv090x_i2c_gate_ctrl(state, 1) < 0)
+			goto err;
+
+		if (config->tuner_init) {
+			if (config->tuner_init(fe) < 0)
+				goto err_gateoff;
+		}
+
+		if (stv090x_i2c_gate_ctrl(state, 0) < 0)
+			goto err;
+
 		stv090x_set_mclk(state, 135000000, config->xtal); /* 135 Mhz */
 		msleep(5);
 		if (stv090x_write_reg(state, STV090x_SYNTCTRL,
diff --git a/drivers/media/dvb/frontends/stv6110x.c b/drivers/media/dvb/frontends/stv6110x.c
index c1ddb83e6349..2f9cd2441340 100644
--- a/drivers/media/dvb/frontends/stv6110x.c
+++ b/drivers/media/dvb/frontends/stv6110x.c
@@ -361,7 +361,6 @@ struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
 {
 	struct stv6110x_state *stv6110x;
 	u8 default_regs[] = {0x07, 0x11, 0xdc, 0x85, 0x17, 0x01, 0xe6, 0x1e};
-	int ret;
 
 	stv6110x = kzalloc(sizeof (struct stv6110x_state), GFP_KERNEL);
 	if (stv6110x == NULL)
@@ -390,25 +389,6 @@ struct stv6110x_devctl *stv6110x_attach(struct dvb_frontend *fe,
 		break;
 	}
 
-	if (fe->ops.i2c_gate_ctrl) {
-		ret = fe->ops.i2c_gate_ctrl(fe, 1);
-		if (ret < 0)
-			goto error;
-	}
-
-	ret = stv6110x_write_regs(stv6110x, 0, stv6110x->regs,
-				  ARRAY_SIZE(stv6110x->regs));
-	if (ret < 0) {
-		dprintk(FE_ERROR, 1, "Initialization failed");
-		goto error;
-	}
-
-	if (fe->ops.i2c_gate_ctrl) {
-		ret = fe->ops.i2c_gate_ctrl(fe, 0);
-		if (ret < 0)
-			goto error;
-	}
-
 	fe->tuner_priv		= stv6110x;
 	fe->ops.tuner_ops	= stv6110x_ops;
 
diff --git a/drivers/media/dvb/ttpci/budget.c b/drivers/media/dvb/ttpci/budget.c
index e5cb1022d9db..f5db13d8b990 100644
--- a/drivers/media/dvb/ttpci/budget.c
+++ b/drivers/media/dvb/ttpci/budget.c
@@ -640,6 +640,12 @@ static void frontend_init(struct budget *budget)
 				tt1600_stv090x_config.tuner_set_refclk	  = ctl->tuner_set_refclk;
 				tt1600_stv090x_config.tuner_get_status	  = ctl->tuner_get_status;
 
+				/* call the init function once to initialize
+				   tuner's clock output divider and demod's
+				   master clock */
+				if (budget->dvb_frontend->ops.init)
+					budget->dvb_frontend->ops.init(budget->dvb_frontend);
+
 				dvb_attach(isl6423_attach,
 					budget->dvb_frontend,
 					&budget->i2c_adap,