Dual recovery

* Add TWRP recovery ramdisk
* Change event to volume keys in bootrec-device
* Add separate cases to check vol up and vol down for both the recoverys(Thanks DooMLoRD)

sbin/bootrec-device

@@ -1,6 +1,6 @@
 #!/sbin/busybox sh
 
-export BOOTREC_EVENT_NODE="/dev/input/event2 c 13 66"
-export BOOTREC_EVENT="/dev/input/event2"
+export BOOTREC_EVENT_NODE="/dev/input/event1 c 13 65"
+export BOOTREC_EVENT="/dev/input/event1"
 export BOOTREC_FOTA_NODE="/dev/block/mmcblk0p13 b 179 13"
 export BOOTREC_FOTA="/dev/block/mmcblk0p13"

sbin/init.sh

@@ -43,7 +43,34 @@ load_image=/sbin/ramdisk.cpio
 if [ -s /dev/keycheck ] || busybox grep -q warmboot=0x5502 /proc/cmdline; then
 	busybox echo 'RECOVERY BOOT' >>boot.txt
 	# recovery ramdisk
-	load_image=/sbin/ramdisk-recovery.cpio
+
+	##Handle multiple recovery ramdisks based on keypress
+	# Thanks a lot to the great DooMLoRD
+	# default recovery ramdisk is CWM 
+	load_image=/sbin/ramdisk-recovery-cwm.cpio
+
+	if [ -s /dev/keycheck ]
+	then
+		busybox hexdump < /dev/keycheck > /dev/keycheck1
+
+		export VOLUKEYCHECK=`busybox cat /dev/keycheck1 | busybox grep '0001 0073'`
+		export VOLDKEYCHECK=`busybox cat /dev/keycheck1 | busybox grep '0001 0072'`
+
+		busybox rm /dev/keycheck
+		busybox rm /dev/keycheck1
+
+		if [ -n "$VOLUKEYCHECK" ]
+		then
+			#load cwm ramdisk		
+			load_image=/sbin/ramdisk-recovery-cwm.cpio
+		fi
+
+		if [ -n "$VOLDKEYCHECK" ]
+		then
+			#load twrp ramdisk
+			load_image=/sbin/ramdisk-recovery-twrp.cpio
+		fi
+	fi
 else
 	busybox echo 'ANDROID BOOT' >>boot.txt
 fi