Mine

-e 
\edef\UseOption{\UseOption,backlight_brightness}
\edef\UseOption{\UseOption,dircache}
\edef\UseOption{\UseOption,headphone_detection}
\edef\UseOption{\UseOption,hold_button}
\edef\UseOption{\UseOption,lcd_bitmap}
\edef\UseOption{\UseOption,lcd_non-mono}
\edef\UseOption{\UseOption,lcd_color}
\edef\UseOption{\UseOption,pitchscreen}
\edef\UseOption{\UseOption,quickscreen}
\edef\UseOption{\UseOption,rtc}
\edef\UseOption{\UseOption,swcodec}
\edef\UseOption{\UseOption,tagcache}
\edef\UseOption{\UseOption,tc_ramcache}
\edef\UseOption{\UseOption,charging}
\edef\UseOption{\UseOption,usb_charging}