m88ds3103: change ts clock config for serial mode

1> When m88ds3103 works in serial ts mode, its serial ts clock is equal to ts master clock and the clock divider is bypassed. 2> The serial ts clock is configed by the bridge driver just like parallel ts clock.

Signed-off-by Nibble Max <[email protected]>

---
  drivers/media/dvb-frontends/m88ds3103.c | 55 +++++++++++++++------------------
  1 file changed, 25 insertions(+), 30 deletions(-)

drivers/media/dvb-frontends/m88ds3103.c +25 -30

index 621d20f..0cd445c 100644
@@ -245,9 +245,9 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
  	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
  	int ret, len;
  	const struct m88ds3103_reg_val *init;
-	u8 u8tmp, u8tmp1, u8tmp2;
+	u8 u8tmp, u8tmp1 = 0, u8tmp2 = 0; /* silence compiler warning */
  	u8 buf[3];
-	u16 u16tmp, divide_ratio;
+	u16 u16tmp, divide_ratio = 0;
  	u32 tuner_frequency, target_mclk;
  	s32 s32tmp;
 

@@ -319,32 +319,29 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
  	/* set M88DS3103 mclk and ts mclk. */
  		priv->mclk_khz = 96000;
 
-		if (c->delivery_system == SYS_DVBS)
-			target_mclk = 96000;
-		else {
-			switch (priv->cfg->ts_mode) {
-			case M88DS3103_TS_SERIAL:
-			case M88DS3103_TS_SERIAL_D7:
-				if (c->symbol_rate < 18000000)
-					target_mclk = 96000;
-				else
-					target_mclk = 144000;
-				break;
-			case M88DS3103_TS_PARALLEL:
-			case M88DS3103_TS_CI:
+		switch (priv->cfg->ts_mode) {
+		case M88DS3103_TS_SERIAL:
+		case M88DS3103_TS_SERIAL_D7:
+			target_mclk = priv->cfg->ts_clk;
+			break;
+		case M88DS3103_TS_PARALLEL:
+		case M88DS3103_TS_CI:
+			if (c->delivery_system == SYS_DVBS)
+				target_mclk = 96000;
+			else {
  				if (c->symbol_rate < 18000000)
  					target_mclk = 96000;
  				else if (c->symbol_rate < 28000000)
  					target_mclk = 144000;
  				else
  					target_mclk = 192000;
-				break;
-			default:
-				dev_dbg(&priv->i2c->dev, "%s: invalid ts_mode\n",
-						__func__);
-				ret = -EINVAL;
-				goto err;
  			}
+			break;
+		default:
+			dev_dbg(&priv->i2c->dev, "%s: invalid ts_mode\n",
+					__func__);
+			ret = -EINVAL;
+			goto err;
  		}
 
  		switch (target_mclk) {

@@ -434,7 +431,6 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
  			goto err;
  	}
 
-	u8tmp1 = 0; /* silence compiler warning */
  	switch (priv->cfg->ts_mode) {
  	case M88DS3103_TS_SERIAL:
  		u8tmp1 = 0x00;

@@ -470,16 +466,15 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
  		ret = m88ds3103_wr_reg_mask(priv, 0x29, u8tmp1, 0x20);
  		if (ret)
  			goto err;
-	}
-
-	if (priv->cfg->ts_clk) {
-		divide_ratio = DIV_ROUND_UP(target_mclk, priv->cfg->ts_clk);
-		u8tmp1 = divide_ratio / 2;
-		u8tmp2 = DIV_ROUND_UP(divide_ratio, 2);
-	} else {
-		divide_ratio = 0;
  		u8tmp1 = 0;
  		u8tmp2 = 0;
+		break;
+	default:
+		if (priv->cfg->ts_clk) {
+			divide_ratio = DIV_ROUND_UP(target_mclk, priv->cfg->ts_clk);
+			u8tmp1 = divide_ratio / 2;
+			u8tmp2 = DIV_ROUND_UP(divide_ratio, 2);
+		}
  	}
 
  	dev_dbg(&priv->i2c->dev,