Developers often troubleshoot retrieving a "proper" value from hardware registers when using SPI or I2C communication.
: If the device is found, the value should be 1 ; if it drops to 0 , the DEVID directory is automatically removed. the value should be 1
In Linux administration, specifically for the file system, DEVID refers to the directory or identifier for specific devices in a file system pool. if it drops to 0