sanders: add back FM support

Change-Id: I86fd0251a1278cc7a5d0102ec554979a3732e4fe

BoardConfig.mk

@@ -171,6 +171,8 @@ TARGET_EXFAT_DRIVER := exfat
 
 # FM
 BOARD_HAVE_QCOM_FM := true
+BOARD_HAVE_FM_RADIO := true
+TARGET_QCOM_NO_FM_FIRMWARE := true
 
 # Keymaster
 TARGET_PROVIDES_KEYMASTER := true

rootdir/etc/init.qcom.rc

@@ -870,12 +870,11 @@ service vendor.msm_irqbalance /vendor/bin/msm_irqbalance -f /vendor/etc/msm_irqb
     user root
     group root
 
-service fm_dl /vendor/bin/init.qti.fm.sh
-    class late_start
-    user system
-    group system
-    disabled
-    oneshot
+on property:hw.fm.init=0
+    write /sys/module/radio_iris_transport/parameters/fmsmd_set 0
+
+on property:hw.fm.init=1
+    write /sys/module/radio_iris_transport/parameters/fmsmd_set 1
 
 on property:crypto.driver.load=1
      insmod /vendor/lib/modules/qce.ko