staging: vt6656: antenna modes remove unused variables

dwTxAntennaSel is always the same as dwRxAntennaSel

byAntennaCount is never used.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6656/device.h

@@ -319,8 +319,6 @@ struct vnt_private {
 	/* Antenna Diversity */
 	int bTxRxAntInv;
 	u32 dwRxAntennaSel;
-	u32 dwTxAntennaSel;
-	u8 byAntennaCount;
 	u8 byRxAntennaMode;
 	u8 byTxAntennaMode;
 	u8 byRadioCtl;

drivers/staging/vt6656/main_usb.c

@@ -249,9 +249,7 @@ static int device_init_registers(struct vnt_private *priv)
 		antenna = (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN);
 
 	if (antenna == (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN)) {
-		priv->byAntennaCount = 2;
 		priv->byTxAntennaMode = ANT_B;
-		priv->dwTxAntennaSel = 1;
 		priv->dwRxAntennaSel = 1;
 
 		if (priv->bTxRxAntInv == true)
@@ -259,8 +257,6 @@ static int device_init_registers(struct vnt_private *priv)
 		else
 			priv->byRxAntennaMode = ANT_B;
 	} else  {
-		priv->byAntennaCount = 1;
-		priv->dwTxAntennaSel = 0;
 		priv->dwRxAntennaSel = 0;
 
 		if (antenna & EEP_ANTENNA_AUX) {