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* Add find file class to search for filesEthan Yonker2014-04-151-0/+37
Scan a folder for a file based on file name. First scan the files in the current path, then search real directories and finally search symlinks in that order. Goal is to locate important sysfs files for things like brightness, battery capacity, lun files, etc This implementation just scans for the brightness file for the LCD Change-Id: I8ed3e74a2e2851d58b443718b6e92b50a5491f08