Question How control/change the volume of an incoming call while the phone on screen locked and keep it on a pocket?

[lusagad]

Hi! I always use my phone for attend call s with earphones which have volume control integrated. By them, I can answer and hang off a call but not change the volume (have a + and - propers keys) because the screen is off and by the way the phone is in a pocket while...
Any idea or solution? Is so rare? Maybe a Magisk module?

Thank you all for your attention.

 

[mustang7757]

Which device are you using ?