general minor code cleanup
general minor code cleanup

Jazz-823/android_hardware_ti_fmradio,freexperia/vendor_ti_fmradio,Jazz-823/android_hardware_ti_fmradio,CyanogenMod/android_hardware_ti_fmradio,freexperia/vendor_ti_fmradio,CyanogenMod/android_hardware_ti_fmradio,Jazz-823/android_hardware_ti_fmradio,freexperia/vendor_ti_fmradio,CyanogenMod/android_hardware_ti_fmradio