MLXREG_CORE_LABEL_MAX_SIZE
char led_cdev_name[MLXREG_CORE_LABEL_MAX_SIZE];
char event_str[MLXREG_CORE_LABEL_MAX_SIZE + 2];
char label[MLXREG_CORE_LABEL_MAX_SIZE] = { 0 };
snprintf(event_str, MLXREG_CORE_LABEL_MAX_SIZE, "%s=%d", label, !!action);
char label[MLXREG_CORE_LABEL_MAX_SIZE];
char identity[MLXREG_CORE_LABEL_MAX_SIZE];
char identity[MLXREG_CORE_LABEL_MAX_SIZE];