hwdb: restore comments about MSI devices

Some time ago 95-keymap.rules was replaced by
60-keyboard.hwdb. Original comments for MSI laptops (that were in
95-keymap.rules) were removed, but I think they are important for
understanding what's going on.

https://bugs.freedesktop.org/show_bug.cgi?id=88412

diff --git a/hwdb/60-keyboard.hwdb b/hwdb/60-keyboard.hwdb
index af0917ee8ea4182541de09a0eed35a27d4046ee6..56fbbb1defa9128db908b2fa4487c9342d05a529 100644 (file)
--- a/hwdb/60-keyboard.hwdb
+++ b/hwdb/60-keyboard.hwdb
@@ -800,14 +800,16 @@ keyboard:dmi:bvn*:bvr*:bd*:svnMICRO-STAR*:pnGE70*:pvr*
 keyboard:dmi:bvn*:bvr*:bd*:svnMicro-Star*:pn*:pvr*
  KEYBOARD_KEY_c2=ejectcd
 
 keyboard:dmi:bvn*:bvr*:bd*:svnMicro-Star*:pn*:pvr*
  KEYBOARD_KEY_c2=ejectcd
 

-#
+# some MSI models generate ACPI/input events on the LNXVIDEO input devices,
+# plus some extra synthesized ones on atkbd as an echo of actually changing the
+# brightness; so ignore those atkbd ones, to avoid loops

 keyboard:dmi:bvn*:bvr*:bd*:svnMICRO-STAR*:pn*U-100*:pvr*
 keyboard:dmi:bvn*:bvr*:bd*:svnMICRO-STAR*:pn*U100*:pvr*
 keyboard:dmi:bvn*:bvr*:bd*:svnMICRO-STAR*:pn*N033:*
  KEYBOARD_KEY_f7=reserved
  KEYBOARD_KEY_f8=reserved
 
 keyboard:dmi:bvn*:bvr*:bd*:svnMICRO-STAR*:pn*U-100*:pvr*
 keyboard:dmi:bvn*:bvr*:bd*:svnMICRO-STAR*:pn*U100*:pvr*
 keyboard:dmi:bvn*:bvr*:bd*:svnMICRO-STAR*:pn*N033:*
  KEYBOARD_KEY_f7=reserved
  KEYBOARD_KEY_f8=reserved
 

-#
+# MSI Wind U90/U100 generates separate touchpad on/off keycodes so ignore touchpad toggle keycode

 keyboard:dmi:bvn*:bvr*:bd*:svnMICRO-STAR*:pnU90/U100:*
  KEYBOARD_KEY_e4=reserved
 
 keyboard:dmi:bvn*:bvr*:bd*:svnMICRO-STAR*:pnU90/U100:*
  KEYBOARD_KEY_e4=reserved