Scrolling up in rich select is not working in Mobile

Hello ,

Could you please some one help on issue

We have extended functionality of RichSelect. code sample is attached in text file(richselect.txt)

MY richselect is like this [00:00,00:15…10:00…23:15…].

When we are selecting in 10:00 from rich select i can scroll down but i can Not scroll up for selecting new time like 06:00…from the rich select.

Could you please help us on this.

PS:This is working fine in laptop…

Many thanks,
Basava.
richselect.txt.zip (1.8 KB)

Could you attach a complete demo that reproduces the problem ?