lbs_get_reg
int lbs_get_reg(struct lbs_private *priv, u16 reg, u16 offset, u32 *value);
ret = lbs_get_reg(priv, CMD_MAC_REG_ACCESS, priv->mac_offset, &val);
ret = lbs_get_reg(priv, CMD_BBP_REG_ACCESS, priv->bbp_offset, &val);
ret = lbs_get_reg(priv, CMD_RF_REG_ACCESS, priv->rf_offset, &val);