Add instructions for tiny-dfr on Ubuntu

docs/distributions/debian/installation.md

@@ -88,6 +88,14 @@ After installation, we need to install a kernel having patches to support the T2
 
 7. Follow the [Wi-Fi guide](https://wiki.t2linux.org/guides/wifi-bluetooth/) to get internal Wi-Fi working.
 
+8. If your Mac has a Touch Bar, install `tiny-dfr` by running:
+
+    ```bash
+    sudo apt install tiny-dfr
+    ```
+
+    **Note:** Make sure you restart your Mac after installing `tiny-dfr`. In order to configure your Touch Bar, run `sudo touchbar` and follow the on-screen instructions.
+
 # Basic set up
 
 After installing the new kernel, follow the [Basic setup](https://wiki.t2linux.org/guides/postinstall/) guide. You shall mainly have to follow the [Add necessary kernel parameters](https://wiki.t2linux.org/guides/postinstall/#add-necessary-kernel-paramaters) and [Make modules load on boot](https://wiki.t2linux.org/guides/postinstall/#make-modules-load-on-boot) sections. If using disk encryption (LUKS), then follow the [Make modules load on early boot](https://wiki.t2linux.org/guides/postinstall/#make-modules-load-on-early-boot) section as well. Rest have been set up automatically by the kernel upgrade script.

docs/distributions/ubuntu/installation.md

@@ -30,6 +30,12 @@
 
 In order to continue receiving the kernel updates for T2 kernels, it's recommended to set up the kernel update script as described [here](https://github.com/t2linux/T2-Ubuntu-Kernel#using-the-kernel-upgrade-script).
 
+# Configuring the Touch Bar
+
+If your Mac has a Touch Bar, then you can install the `tiny-dfr` app by running `sudo apt update && sudo apt install tiny-dfr` to set up the Touch Bar. Make sure you restart your Mac after installing the app.
+
+For configuration of the Touch Bar, run `sudo touchbar` and follow the on-screen instructions.
+
 # Troubleshooting
 
 If you are facing issues while installing or have post installation issues (E.g.: Wi-Fi, sound etc.), refer to the [FAQ](https://wiki.t2linux.org/distributions/ubuntu/faq/) section first. If it is not able to help you, you may open an issue [here](https://github.com/t2linux/T2-Ubuntu/issues) or contact us on the [Discord server](https://discord.com/invite/68MRhQu).

docs/guides/postinstall.md

@@ -90,24 +90,22 @@ The steps to be followed vary depending upon the initramfs module loading mechan
 
 ## Setting up the Touch Bar
 
-The Touch Bar can be set up by running [this script](../tools/touchbar.sh) **in Linux** using `bash /path/to/script`. Make sure your Linux kernel and macOS is updated before running this script.
+Setting up the Touch Bar is different for Ubuntu and Debian based distros.
 
-If you want to try something new and you're using Arch Linux, EndeavourOS, or Manjaro, you could install `touchbard` package and use that instead. For more information, visit [touchbard repository](https://github.com/NoaHimesaka1873/touchbard).
+If you are using an Ubuntu or Debian based distro:
 
-After running this script, if you wish to change the default mode of the Touch Bar, run `sudo touchbar` and choose the mode you wish.
+  1. Add the apt repo for T2 Macs from [here](https://github.com/AdityaGarg8/t2-ubuntu-repo.git).
+  2. Install `tiny-dfr` by running `sudo apt install tiny-dfr`.
+  3. Restart your Mac.
+  4. After restarting, you can run `sudo touchbar` to get a list of options that you can configure. Simply follow the on-screen instructions.
 
-In case your Touch Bar is unable to change modes on pressing the fn key, you could try the following:
+For other distros:
 
-- Try running the following and rebooting.
-
-   ```sh
-   echo -e "# delay loading of the touchbar driver\ninstall apple-touchbar /bin/sleep 7; /sbin/modprobe --ignore-install apple-touchbar" | sudo tee /etc/modprobe.d/delay-tb.conf >/dev/null
-   ```
-
-- Boot into the [macOS Recovery](https://support.apple.com/en-gb/HT201314) and then restart into Linux.
-- Unplug all the external USB keyboards and mouse and then restart into Linux, keeping them unplugged.
+  - The Touch Bar can be set up by running [this script](../tools/touchbar.sh) **in Linux** using `bash /path/to/script`. Make sure your Linux kernel and macOS is updated before running this script.
 
-If you still face an issue, mention it [here](https://github.com/t2linux/wiki/issues) or on the discord.
+  - After running this script, if you wish to change the default mode of the Touch Bar, run `sudo touchbar` and choose the mode you wish.
+
+  - If you want to try something new and you're using Arch Linux, EndeavourOS, or Manjaro, you could install `touchbard` package and use that instead. For more information, visit [touchbard repository](https://github.com/NoaHimesaka1873/touchbard).
 
 # Wi-Fi and Bluetooth