commit 7cb68d12d5305ce16abf9defb7aea595ceda38de
author Naveen Ramaraj <nramaraj@codeaurora.org> Wed Jul 16 11:40:42 2014 -0700
committer The Android Automerger <android-build@google.com> Thu Jul 17 23:54:05 2014 -0700
tree ee9fddddb62d24016ea752e8d4e108b24e6bd5c9
parent ac79a135d250c7dff379204d4cfecefa1548562f

shamu: Do not power down the SIM in airplane mode

"persist.radio.apm_sim_not_pwdn" is used to determine if the SIM
will be powered down in airplane mode.

Enable the property by default to keep the SIM always ON.

Bug: 16208728
Change-Id: Id8c10260095b16c382f9efec8af6f64ccc9988dd

device.mk

diff --git a/device.mk b/device.mk
index cb5c169..7c5f5fb 100644
--- a/device.mk
+++ b/device.mk
@@ -199,6 +199,9 @@
     rild.libpath=/system/vendor/lib/libril-qc-qmi-1.so
 
 PRODUCT_PROPERTY_OVERRIDES += \
+    persist.radio.apm_sim_not_pwdn=1
+
+PRODUCT_PROPERTY_OVERRIDES += \
     ro.telephony.default_cdma_sub=0
 
 # LTE, CDMA, GSM/WCDMA