Department text read from the infotype relationship

Dear Friends

I need to read department text which has the name as "P1001STEXT" from the strcuture Q1001, if you go to Po10 there is infotype relationship. Here we can find department based on Organization unit, How can i find the text of it. can you give me some suggestion. is there any function module to read from this infotype. can we use hr_read_infotype for hrp1001 infotype. please reply me, any help of yours will be greatly appreciated.

Thanking you

Regards

Naeem