Change getLteOnCdmaModeStatic to dynamically determine its result. (fe071d3d) · Commits · e / os / android_frameworks_base

telephony/java/com/android/internal/telephony/BaseCommands.java

+62 −3

Original line number	Diff line number	Diff line
		@@ -26,6 +26,11 @@ import android.os.SystemProperties;
		import android.util.Config;
		import android.util.Log;

		import java.io.FileInputStream;
		import java.io.IOException;
		import java.util.regex.Matcher;
		import java.util.regex.Pattern;

		/**
		* {@hide}
		*/
		@@ -794,6 +799,34 @@ public abstract class BaseCommands implements CommandsInterface {
		protected void onRadioAvailable() {
		}

		/**
		* The contents of the /proc/cmdline file
		*/
		private static String getProcCmdLine()
		{
		String cmdline = "";
		FileInputStream is = null;
		try {
		is = new FileInputStream("/proc/cmdline");
		byte [] buffer = new byte[2048];
		int count = is.read(buffer);
		if (count > 0) {
		cmdline = new String(buffer, 0, count);
		}
		} catch (IOException e) {
		Log.d(LOG_TAG, "No /proc/cmdline exception=" + e);
		} finally {
		if (is != null) {
		try {
		is.close();
		} catch (IOException e) {
		}
		}
		}
		Log.d(LOG_TAG, "/proc/cmdline=" + cmdline);
		return cmdline;
		}

		/**
		* {@inheritDoc}
		*/
		@@ -802,6 +835,17 @@ public abstract class BaseCommands implements CommandsInterface {
		return getLteOnCdmaModeStatic();
		}

		/** Kernel command line */
		private static final String sKernelCmdLine = getProcCmdLine();

		/** Pattern for selecting the product type from the kernel command line */
		private static final Pattern sProductTypePattern =
		Pattern.compile("\\sproduct_type\\s=\\s(\\w+)");

		/** The ProductType used for LTE on CDMA devices */
		private static final String sLteOnCdmaProductType =
		SystemProperties.get(TelephonyProperties.PROPERTY_LTE_ON_CDMA_PRODUCT_TYPE, "");

		/**
		* Return if the current radio is LTE on CDMA. This
		* is a tri-state return value as for a period of time
		@@ -811,9 +855,24 @@ public abstract class BaseCommands implements CommandsInterface {
		* or {@link Phone#LTE_ON_CDMA_TRUE}
		*/
		public static int getLteOnCdmaModeStatic() {
		int retVal = SystemProperties.getInt(TelephonyProperties.PROPERTY_NETWORK_LTE_ON_CDMA,
		Phone.LTE_ON_CDMA_FALSE);
		Log.d(LOG_TAG, "getLteOnCdmaMode=" + retVal);
		int retVal;
		String productType;

		Matcher matcher = sProductTypePattern.matcher(sKernelCmdLine);
		if (matcher.find()) {
		productType = matcher.group(1);
		if (sLteOnCdmaProductType.equals(productType)) {
		retVal = Phone.LTE_ON_CDMA_TRUE;
		} else {
		retVal = Phone.LTE_ON_CDMA_FALSE;
		}
		} else {
		retVal = Phone.LTE_ON_CDMA_FALSE;
		productType = "";
		}

		Log.d(LOG_TAG, "getLteOnCdmaMode=" + retVal + " product_type='" + productType +
		"' lteOnCdmaProductType='" + sLteOnCdmaProductType + "'");
		return retVal;
		}
		}

telephony/java/com/android/internal/telephony/TelephonyProperties.java

+5 −3

Original line number	Diff line number	Diff line
		@@ -72,10 +72,12 @@ public interface TelephonyProperties
		*/
		static final String PROPERTY_OPERATOR_ISO_COUNTRY = "gsm.operator.iso-country";

		/** 'true' if device supports both LTE and CDMA mode of operation.
		* Availability: Set only on devices supporting LTE and CDMA.
		/**
		* The contents of this property is the value of the kernel command line
		* product_type variable that corresponds to a product that supports LTE on CDMA.
		* {@see BaseCommands#getLteOnCdmaMode()}
		*/
		static final String PROPERTY_NETWORK_LTE_ON_CDMA = "telephony.lte_on_cdma";
		static final String PROPERTY_LTE_ON_CDMA_PRODUCT_TYPE = "telephony.lteOnCdmaProductType";

		static final String CURRENT_ACTIVE_PHONE = "gsm.current.phone-type";