Brightness setting in profiles differs 50% from brightness in display settings

• /e/ version: 0.13-q, meanwhile 2.3-t
• Device model(s): Fairphone 3 FP3, also Shiftphone 6mq

Summary

Brightness setting in profile must be 50% less to get the wanted brightness in display settings

The problem

Set brightness in profile to the percentage you want to see in display settings.

What is the current behavior?

The brightness in display settings (and quick settings slider) is 50% higher

What is the expected correct behavior?

To have the same percentage in profiles and display settings

Technical informations

Had a similar issue in LineageOS on other phone.

Solutions

Workaround

Set the brightness in profile 50% less than expected. Here: Display settings/slider 75%, profile setting 25%

Possible fixes