Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_HINT_VITA_ENABLE_BACK_TOUCH - A variable controlling whether touch should be enabled on the back
panel of the PlayStation Vita.
SYNOPSIS
#include <SDL3/SDL_hints.h>
#define SDL_HINT_VITA_ENABLE_BACK_TOUCH "SDL_VITA_ENABLE_BACK_TOUCH"
DESCRIPTION
The variable can be set to the following values:
• "0": Disable touch on the back panel.
• "1": Enable touch on the back panel. (default)
This hint should be set before SDL is initialized.
AVAILABILITY
This hint is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_HINT_VITA_ENABLE_BACK_TOUCH(3)