REG_BW_OPMODE
opmode = rtl8xxxu_read8(priv, REG_BW_OPMODE);
rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode);
rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode);
opmode = rtl8xxxu_read8(priv, REG_BW_OPMODE);
rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode);
rtl8xxxu_write8(priv, REG_BW_OPMODE, opmode);