BLuethooth headset - volume down is not working

[m.s.w]

Hi!

I have a weird issue with bluethooth headset. The volume down button is not working. Volume up is fine.
Do you have any ideas on where to look for the roots of the issue?

P.S. The volum down button is working when headset is connected to ipad or phone. It just don't work when in Gentoo.
_________________
Mark Twain said it best:
"If you have to swallow a frog, don't stare at it too long!"

[Logicien]

When connected many buttons of an headset can be detected by Linux as an acpi event. If this acpi event for volume down is associated as a shortcut with something else than volume down it can beheave differently than his default.

It's the case in Xfce4 when you create an acpi event shortcut to an application in the keyboard configuration. You can create an acpi event shortcut in man ways to make and acpi event beheave differently than it's default.
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Paul

[m.s.w]

Hi!
Thank you for your comment although I don't really know how to use what wrote.
Do I understand it correctly that I need to track down somehow if the acpi event related to the button down on headset is not linked with some other action than "volume down"?
Would you be so kind and suggest some ways to do it?
_________________
Mark Twain said it best:
"If you have to swallow a frog, don't stare at it too long!"