davinci: Add custom init to set proper variants

Co-authored-by: Arian <arian.kulmer@web.de>
Change-Id: I04f09a14cf41c89b3135c53e3089d5c3e703aae0

BoardConfig.mk

@@ -86,6 +86,10 @@ TARGET_QCOM_NO_FM_FIRMWARE := true
 DEVICE_MANIFEST_FILE := $(DEVICE_PATH)/configs/hidl/manifest.xml
 DEVICE_MATRIX_FILE := $(DEVICE_PATH)/configs/hidl/compatibility_matrix.xml
 
+# Init
+TARGET_INIT_VENDOR_LIB := //$(DEVICE_PATH):libinit_davinci
+TARGET_RECOVERY_DEVICE_MODULES := libinit_davinci
+
 # Kernel
 BOARD_KERNEL_BASE := 0x00000000
 BOARD_KERNEL_IMAGE_NAME := Image.gz-dtb

init/Android.bp

@@ -0,0 +1,24 @@
+//
+// Copyright (C) 2020 The LineageOS Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+cc_library_static {
+    name: "libinit_davinci",
+    srcs: ["init_davinci.cpp"],
+    recovery_available: true,
+    include_dirs: [
+        "system/core/base/include",
+        "system/core/init"
+    ]
+}

init/init_davinci.cpp

@@ -0,0 +1,82 @@
+/*
+   Copyright (C) 2020 The LineageOS Project.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are
+   met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+    * Neither the name of The Linux Foundation nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+   WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+   ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+   BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+   BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+   OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+   IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <fstream>
+#include <unistd.h>
+
+#include <android-base/properties.h>
+#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
+#include <sys/_system_properties.h>
+
+#include "property_service.h"
+#include "vendor_init.h"
+
+using android::base::GetProperty;
+using android::init::property_set;
+
+
+void property_override(char const prop[], char const value[])
+{
+    prop_info *pi;
+    pi = (prop_info*) __system_property_find(prop);
+    if (pi)
+        __system_property_update(pi, value, strlen(value));
+    else
+        __system_property_add(prop, strlen(prop), value, strlen(value));
+}
+void property_override_dual(char const system_prop[],
+    char const vendor_prop[], char const value[])
+{
+    property_override(system_prop, value);
+    property_override(vendor_prop, value);
+}
+
+void vendor_load_properties() {
+    std::string region;
+    region = GetProperty("ro.boot.hwc", "GLOBAL");
+
+    if (region == "GLOBAL") {
+        property_override_dual("ro.product.model", "ro.vendor.product.model", "Mi 9T");
+        property_override_dual("ro.product.device", "ro.product.vendor.device", "davinci");
+        property_override_dual("ro.build.fingerprint", "ro.vendor.build.fingerprint", "Xiaomi/davinci/davinci:10/QKQ1.190825.002/V11.0.5.0.QFJMIXM:user/release-keys");
+        property_override("ro.build.description", "davinci-user 10 QKQ1.190825.002 V11.0.5.0.QFJMIXM release-keys");
+        property_override("ro.product.mod_device", "davinci_global");
+    } else if (region == "CN") {
+        property_override_dual("ro.product.model", "ro.vendor.product.model", "Redmi K20");
+        property_override_dual("ro.product.device", "ro.product.vendor.device",  "davinci");
+        property_override_dual("ro.build.fingerprint", "ro.vendor.build.fingerprint", "Xiaomi/davinci/davinci:10/QKQ1.190825.002/V11.0.6.0.QFJCNXM:user/release-keys");
+        property_override("ro.build.description", "davinci-user 10 QKQ1.190825.002 V11.0.6.0.QFJCNXM release-keys");
+    } else if (region == "INDIA") {
+        property_override_dual("ro.product.model", "ro.vendor.product.model", "Redmi K20");
+        property_override_dual("ro.product.device", "ro.product.vendor.device",  "davinciin");
+        property_override_dual("ro.build.fingerprint", "ro.vendor.build.fingerprint", "Xiaomi/davinciin/davinciin:10/QKQ1.190825.002/V11.0.3.0.QFJINXM:user/release-keys");
+        property_override("ro.build.description", "davinciin-user 10 QKQ1.190825.002 V11.0.3.0.QFJINXM release-keys");
+        property_override("ro.product.mod_device", "davinciin_in_global");
+    }
+}