mirror of
https://github.com/chararomandroid/android_device_samsung_a20
synced 2026-08-21 11:55:31 -04:00
115 lines
3.7 KiB
C++
115 lines
3.7 KiB
C++
/*
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Copyright (c) 2021, The LineageOS Project
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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* Neither the name of The Linux Foundation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <vector>
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#include <sys/sysinfo.h>
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#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
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#include <sys/_system_properties.h>
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#include <android-base/logging.h>
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#include <android-base/properties.h>
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#include "property_service.h"
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#include "vendor_init.h"
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using android::base::GetProperty;
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const static std::vector<std::string> ro_props_default_source_order = {
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"", "odm.", "product.", "system.", "system_ext.", "vendor.", "vendor_dlkm.",
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};
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void property_override(char const prop[], char const value[], bool add = true) {
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prop_info *pi;
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pi = (prop_info *)__system_property_find(prop);
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if (pi)
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__system_property_update(pi, value, strlen(value));
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else if (add)
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__system_property_add(prop, strlen(prop), value, strlen(value));
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}
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void set_ro_build_prop(const std::string &prop, const std::string &value,
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bool product = true) {
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std::string prop_name;
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for (const auto &source : ro_props_default_source_order) {
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if (product)
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prop_name = "ro.product." + source + prop;
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else
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prop_name = "ro." + source + "build." + prop;
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property_override(prop_name.c_str(), value.c_str());
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}
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}
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static inline bool hasEnding(const std::string& str, char suffix)
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{
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return !str.empty() && str.back() == suffix;
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}
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static void setLowRamProp(void) {
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static constexpr auto GB_3 = 3ull * 1024 * 1024 * 1024;
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struct sysinfo sys {};
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sysinfo(&sys);
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if (sys.totalram <= GB_3)
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property_override("ro.config.low_ram", "true");
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}
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void vendor_load_properties() {
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std::string model;
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bool isNFC = false;
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model = GetProperty("ro.boot.product.model", "");
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if (model.empty()) {
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model = GetProperty("ro.boot.em.model", "");
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}
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// Korean models all have NFC
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isNFC |= hasEnding(model, 'N');
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isNFC |= hasEnding(model, 'S');
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isNFC |= hasEnding(model, 'K');
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// Exceptions
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isNFC |= model == "SM-A202F";
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isNFC |= model == "SM-A405FM";
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isNFC |= model == "SM-A405F";
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// Set the NFC property, if NFC is present via modelname.
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if (isNFC) {
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property_override("ro.boot.product.hardware.sku", "NFC");
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}
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// Set Low ram prop based on HW ram size
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setLowRamProp();
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// Set model based on bootloader supplied model
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set_ro_build_prop("model", model);
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set_ro_build_prop("product", model, false);
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}
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