Documentation leaves big clue about the possibility of flip cover cases for Pixel 7 line - PhoneArena

Debug documentation suggests that the Pixel 7 and Pixel 7 Pro will both feature a Hall sensor used to detect magnets inside flip cover cases.

"Default enable hall sensor Test: Compile and load on P7. Hall sensor is enabled." The Pixel 7 may have a hall effect sensor to detect magnetic fields. Many phones have one so flip covers with embed… [+166 chars]

full article...