Initial common device tree

vendor_prop.mk

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+# Low memory optimization
+ro.config.low_ram=true
+
+# Audio
+PRODUCT_PROPERTY_OVERRIDES += \
+    af.fast_track_multiplier=1 \
+    audio_hal.force_voice_config=wide
+
+# Bluetooth
+PRODUCT_PROPERTY_OVERRIDES += \
+    ro.bt.bdaddr_path=/efs/bluetooth/bt_addr
+
+# Dalvik/Art
+PRODUCT_PROPERTY_OVERRIDES += \
+    dalvik.vm.dex2oat-filter=speed \
+    dalvik.vm.image-dex2oat-filter=speed \
+    ro.sys.fw.dex2oat_thread_count=8 \
+    dalvik.vm.boot-dex2oat-threads=8 \
+    dalvik.vm.dex2oat-threads=8 \
+    dalvik.vm.heapstartsize=8m \
+    dalvik.vm.heapgrowthlimit=192m \
+    dalvik.vm.heapsize=512m \
+    dalvik.vm.heaptargetutilization=0.75 \
+    dalvik.vm.heapminfree=512k \
+    dalvik.vm.heapmaxfree=8m
+
+# Graphics
+PRODUCT_PROPERTY_OVERRIDES += \
+    ro.opengles.version=196610 \
+    debug.hwc.skip_dma_types=0,2 \
+    debug.hwc.force_gpu=1 \
+    debug.sf.enable_hwc_vds=1 \
+    debug.sf.latch_unsignaled=1
+
+# ro.product.first_api_level indicates the first api level the device has commercially launched on.
+PRODUCT_PROPERTY_OVERRIDES += \
+    ro.product.first_api_level=23
+
+# Nfc
+PRODUCT_PROPERTY_OVERRIDES += \
+    ro.nfc.port=I2C \
+    ro.nfc.sec_hal=true
+
+# Boot directly from charger mode
+PRODUCT_PROPERTY_OVERRIDES += \
+    ro.enable_boot_charger_mode=1
+
+# Radio
+PRODUCT_PROPERTY_OVERRIDES += \
+    persist.radio.sib16_support=0 \
+    ro.ril.hsxpa=1 \
+    ro.ril.gprsclass=10 \
+    ro.ril.telephony.mqanelements=6 \
+    ro.telephony.default_network=9 \
+    ro.telephony.get_imsi_from_sim=true \
+    ro.ril.force_eri_from_xml=true \
+    persist.radio.add_power_save=1 \
+    persist.radio.apm_sim_not_pwdn=1 \
+    ro.smps.enable=true \
+    telephony.lteOnCdmaDevice=0 \
+
+# read DS/SS property
+PRODUCT_PROPERTY_OVERRIDES += \
+    import /efs/factory.prop
+
+#Treble
+PRODUCT_PROPERTY_OVERRIDES += \
+    persist.media.treble_omx=true
+
+# sdcardfs
+PRODUCT_PROPERTY_OVERRIDES += \
+    ro.sys.sdcardfs=true
+
+# Wifi
+PRODUCT_PROPERTY_OVERRIDES += \
+    wifi.interface=wlan0 \
+    net.tethering.noprovisioning=true