add touchpad info

content/post/enable-tap-to-click-and-other-features-in-linux.md

@@ -0,0 +1,78 @@
+---
+title: "Enable Tap to Click and Other Features in Linux"
+date: 2021-03-03T06:46:01Z
+lastmod: 2022-04-29T06:46:01Z
+draft: false 
+keywords: [linux synaptics touchpad driver]
+description: ""
+tags: [touchpad]
+categories: [linux]
+author: ""
+
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+
+---
+
+It should be easy.
+
+<!--more-->
+
+## If your touchpad is not working
+Edit `/etc/default/grub` to pass kernel parameter ([docs](https://www.kernel.org/doc/html/v4.10/admin-guide/kernel-parameters.html)):
+```
+GRUB_CMDLINE_LINUX_DEFAULT="i8042.nopnp=1"
+```
+
+Leave other paramters as is. Generate configuration file as normal and reboot.
+
+## Make touchpad more useful
+
+Works for most Synaptics and ALPS touchpads. Requires `xf86-input-synaptics`.
+
+Edit `/etc/X11/xorg.conf.d/70-synaptics.conf`
+```
+Section "InputClass"
+    Identifier "touchpad"
+    Driver "synaptics"
+    MatchIsTouchpad "on"
+        Option "TapButton1" "1"
+        Option "TapButton2" "3"
+        Option "TapButton3" "2"
+        Option "VertTwoFingerScroll" "on"
+        Option "HorizTwoFingerScroll" "on"
+EndSection
+```
+
+Log out and log in.
+
+## More info and parameters 
+[Touchpad Synaptics - ArchWiki](https://wiki.archlinux.org/index.php/Touchpad_Synaptics)
+
+[libinput - ArchWiki](https://wiki.archlinux.org/index.php/Libinput)