android10/system/sepolicy/public/hal_usb_gadget.te

# HwBinder IPC from client to server, and callbacks
binder_call(hal_usb_gadget_client, hal_usb_gadget_server)
binder_call(hal_usb_gadget_server, hal_usb_gadget_client)

hal_attribute_hwservice(hal_usb_gadget, hal_usb_gadget_hwservice)

# Configuring usb gadget functions
allow hal_usb_gadget_server configfs:lnk_file { read create unlink};
allow hal_usb_gadget_server configfs:dir rw_dir_perms;
allow hal_usb_gadget_server configfs:file create_file_perms;
allow hal_usb_gadget_server functionfs:dir { read search };
allow hal_usb_gadget_server functionfs:file read;