staging: rtl8188eu: Remove unused funtion phy_TxPwrIdxToDbm()

	return rtStatus;

}

/*  */

/*	Description: */

/*		Map Tx power index into dBm according to */

/*		current HW model, for example, RF and PA, and */

/*		current wireless mode. */

/*	By Bruce, 2008-01-29. */

/*  */

static int phy_TxPwrIdxToDbm(struct adapter *Adapter, enum wireless_mode WirelessMode, u8 TxPwrIdx)

{

	int				Offset = 0;

	int				PwrOutDbm = 0;

	/*  */

	/*  Tested by MP, we found that CCK Index 0 equals to -7dbm, OFDM legacy equals to -8dbm. */

	/*  Note: */

	/*	The mapping may be different by different NICs. Do not use this formula for what needs accurate result. */

	/*  By Bruce, 2008-01-29. */

	/*  */

	switch (WirelessMode) {

	case WIRELESS_MODE_B:

		Offset = -7;

		break;

	case WIRELESS_MODE_G:

	case WIRELESS_MODE_N_24G:

	default:

		Offset = -8;

		break;

	}

	PwrOutDbm = TxPwrIdx / 2 + Offset; /*  Discard the decimal part. */

	return PwrOutDbm;

}

static void getTxPowerIndex88E(struct adapter *Adapter, u8 channel, u8 *cckPowerLevel,

			       u8 *ofdmPowerLevel, u8 *BW20PowerLevel,

			       u8 *BW40PowerLevel)