sdm660-common: libinit: Set device specific changes via libinit

Change-Id: I9a2dea3291b76d185d9ecda524a4234b6ed25412

init/init_sdm660.cpp

@@ -34,7 +34,9 @@
 #include <sys/sysinfo.h>
 #include <unistd.h>
 
+#include <android-base/file.h>
 #include <android-base/properties.h>
+#include <android-base/strings.h>
 #define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
 #include <sys/_system_properties.h>
 
@@ -44,6 +46,8 @@
 
 using android::base::GetProperty;
 using android::init::property_set;
+using android::base::ReadFileToString;
+using android::base::Trim;
 
 char const *heapstartsize;
 char const *heapgrowthlimit;
@@ -56,6 +60,24 @@ __attribute__ ((weak))
 void init_target_properties() {}
 #endif
 
+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 check_device()
 {
     struct sysinfo sys;
@@ -92,4 +114,25 @@ void vendor_load_properties()
     property_set("dalvik.vm.heaptargetutilization", "0.75");
     property_set("dalvik.vm.heapminfree", heapminfree);
     property_set("dalvik.vm.heapmaxfree", heapmaxfree);
+
+    std::string product = GetProperty("ro.product.name", "");
+    if (product.find("clover") != std::string::npos) {
+
+    std::string hw_device;
+
+    char const *hw_id_file = "/sys/devices/platform/HardwareInfo/hw_id";
+
+    ReadFileToString(hw_id_file, &hw_device);
+    if (hw_device.find("D9P") != std::string::npos) {
+        property_override("persist.sys.fp.vendor", "fpc");
+        property_override("ro.board.variant", "d9p");
+        property_override("vendor.display.lcd_density", "265");
+        property_override_dual("ro.product.model", "ro.vendor.product.model", "MI PAD 4 PLUS");
+    } else {
+        property_override("persist.sys.fp.vendor", "none");
+        property_override("ro.board.variant", "d9");
+        property_override("vendor.display.lcd_density", "320");
+        property_override_dual("ro.product.model", "ro.vendor.product.model", "MI PAD 4");
+    }
+  }
 }

sepolicy/vendor/init.te

@@ -4,3 +4,4 @@ allow init ion_device:chr_file ioctl;
 allow init property_socket:sock_file write;
 allow init sysfs_dm:file { open write };
 allow init tee_device:chr_file { write ioctl };
+allow init vendor_default_prop:property_service set;

sepolicy/vendor/property_contexts

@@ -30,3 +30,4 @@ sys.thermal.                        u:object_r:thermal_engine_prop:s0
 # vendor_default_prop
 fpc_kpi                             u:object_r:vendor_default_prop:s0
 gpu.stats.debug.level               u:object_r:vendor_default_prop:s0
+vendor.display.lcd_density          u:object_r:vendor_default_prop:s0