One way checkbox

models.my-model.js

import Model from "ember-data/model";
import attr from "ember-data/attr";
import { belongsTo, hasMany } from "ember-data/relationships";

export default Model.extend({
  worksOk: DS.attr('boolean'),
  doesNotWorks: DS.attr('boolean', { defaultValue: false })
});

routes.application.js

import Ember from 'ember';
import Changeset from 'ember-changeset';

export default Ember.Route.extend({
  model() {
    return this.store.createRecord('my-model');
  },
  setupController(controller, model) {
    const changeset = new Changeset(model);
    controller.set('changeset', changeset);
    return this._super(...arguments);
  }
});

templates.application.hbs

<h1>Works</h1>
<p>
  {{one-way-checkbox
    checked=changeset.worksOk
    update=(action (mut changeset.worksOk))
  }}
  Works Ok
</p>

<p>
	Model value: {{model.worksOk}}
	<br>
  Changeset value: {{changeset.worksOk}} 
</p>

<h1>Does not work</h1>

<p>
  {{one-way-checkbox
    checked=changeset.doesNotWorks
    update=(action (mut changeset.doesNotWorks))
  }}
  Does not work
</p>

<p>
	Model value: {{model.doesNotWorks}} 
	<br>
  Changeset value: {{changeset.doesNotWorks}} 
</p>

twiddle.json

{
  "version": "0.10.7",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.11.0",
    "ember-changeset": "^1.2.2",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.11.0",
    "ember-testing": "2.11.0"
  },
  "addons": {
    "ember-one-way-controls": "*",
    "ember-changeset": "*"
  }
}