Varsha Santhosh developed a Linux kernel sysfs platform driver for the shweatank/Mirafra_LDD3 repository, enabling controlled userspace interaction through a 'foo' attribute with both read and write access. Working in C and leveraging expertise in device drivers and platform drivers, Varsha registered the driver and created a corresponding platform device, supporting flexible testing scenarios. As part of the engineering process, Varsha deprecated and removed the older Sysfs_july10 implementation, streamlining the codebase for easier long-term maintenance. This work improved repository hygiene and laid a solid foundation for future enhancements, demonstrating depth in Linux kernel development and thoughtful codebase management.