Fix fingerprint on Honor View 10

board-base.mk

@@ -3,4 +3,4 @@ BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := device/phh/treble/bluetooth
 TARGET_EXFAT_DRIVER := exfat
 DEVICE_FRAMEWORK_MANIFEST_FILE := device/phh/treble/framework_manifest.xml
 
-BOARD_ROOT_EXTRA_FOLDERS += bt_firmware
+BOARD_ROOT_EXTRA_FOLDERS += bt_firmware sec_storage

rw-system.sh

@@ -448,5 +448,17 @@ for abi in "" 64;do
     fi
 done
 
-
 setprop ro.product.first_api_level "$vndk"
+
+if getprop ro.boot.boot_devices |grep -v , |grep -qE .;then
+    ln -s /dev/block/platform/$(getprop ro.boot.boot_devices) /dev/block/bootdevice
+fi
+
+if [ -c /dev/dsm ];then
+    chown system:system /dev/dsm
+    chmod 0660 /dev/dsm
+    mkdir -p /data/sec_storage_data
+    chown system:system /data/sec_storage_data
+    chcon u:object_r:teecd_data_file_system:s0 /data/sec_storage_data
+    mount /data/sec_storage_data /sec_storage
+fi

sepolicy/file_contexts

@@ -10,3 +10,5 @@
 
 /bt_firmware(/.*)?      u:object_r:bt_firmware_file:s0
 
+/sec_storage(/.*)?      u:object_r:teecd_data_file:s0
+/dev/dsm                u:object_r:dmd_device:s0

sepolicy/huawei.te

@@ -1,2 +1,11 @@
 allow ueventd proc:file r_file_perms;
 permissive ueventd;
+
+type teecd_data_file, file_type;
+type dmd_device, file_type;
+allow hal_fingerprint_server dmd_device:chr_file rw_file_perms;
+allow hal_fingerprint_server sysfs:file rw_file_perms;
+
+type oeminfo_nvm, domain;
+type oeminfo_nvm_device, file_type;
+allowxperm oeminfo_nvm oeminfo_nvm_device:blk_file ioctl { 0x1260 };