From: Mauro Carvalho Chehab <mchehab@redhat.com>
Date: Fri, 23 Dec 2011 20:56:57 +0000 (-0300)
Subject: [media] tua6100: use DVBv5 parameters on set_params()
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=5918288a422b8bbc0ebfd541d6cb9ed2c43b0b76;p=~shefty%2Frdma-dev.git

[media] tua6100: use DVBv5 parameters on set_params()

Instead of using DVBv3 parameters, rely on DVBv5 parameters to
set the tuner

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/dvb/frontends/tua6100.c b/drivers/media/dvb/frontends/tua6100.c
index bcb95c2ef29..7842e620e6b 100644
--- a/drivers/media/dvb/frontends/tua6100.c
+++ b/drivers/media/dvb/frontends/tua6100.c
@@ -70,6 +70,7 @@ static int tua6100_sleep(struct dvb_frontend *fe)
 static int tua6100_set_params(struct dvb_frontend *fe,
 			      struct dvb_frontend_parameters *params)
 {
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
 	struct tua6100_priv *priv = fe->tuner_priv;
 	u32 div;
 	u32 prediv;
@@ -85,36 +86,37 @@ static int tua6100_set_params(struct dvb_frontend *fe,
 #define _ri 4000000
 
 	// setup register 0
-	if (params->frequency < 2000000) {
+	if (c->frequency < 2000000)
 		reg0[1] = 0x03;
-	} else {
+	else
 		reg0[1] = 0x07;
-	}
 
 	// setup register 1
-	if (params->frequency < 1630000) {
+	if (c->frequency < 1630000)
 		reg1[1] = 0x2c;
-	} else {
+	else
 		reg1[1] = 0x0c;
-	}
+
 	if (_P == 64)
 		reg1[1] |= 0x40;
-	if (params->frequency >= 1525000)
+	if (c->frequency >= 1525000)
 		reg1[1] |= 0x80;
 
 	// register 2
 	reg2[1] = (_R >> 8) & 0x03;
 	reg2[2] = _R;
-	if (params->frequency < 1455000) {
+	if (c->frequency < 1455000)
 		reg2[1] |= 0x1c;
-	} else if (params->frequency < 1630000) {
+	else if (c->frequency < 1630000)
 		reg2[1] |= 0x0c;
-	} else {
+	else
 		reg2[1] |= 0x1c;
-	}
 
-	// The N divisor ratio (note: params->frequency is in kHz, but we need it in Hz)
-	prediv = (params->frequency * _R) / (_ri / 1000);
+	/*
+	 * The N divisor ratio (note: c->frequency is in kHz, but we
+	 * need it in Hz)
+	 */
+	prediv = (c->frequency * _R) / (_ri / 1000);
 	div = prediv / _P;
 	reg1[1] |= (div >> 9) & 0x03;
 	reg1[2] = div >> 1;