keymap: Ignore brightness keys on Dell Inspiron 1520 to avoid double events
On the Dell Inspiron 1520 both the atkbd and acpi-video input devices report an event for pressing the brightness up / down key-combos, resulting in user space seeing double events and increasing / decreasing the brightness 2 steps for each keypress. This hwdb snippet suppresses the atkbd events, making the Inspiron 1520 work like most modern laptops which emit brightness up / down events through acpi-video only. Reported by Pavel Malyshev <p.malishev@gmail.com> https://bugzilla.redhat.com/show_bug.cgi?id=1141525
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@ -230,6 +230,11 @@ keyboard:dmi:bvn*:bvr*:bd*:svnDell*:pnInspiron*1110:pvr*
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keyboard:dmi:bvn*:bvr*:bd*:svnDell*:pnInspiron*1210:pvr*
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KEYBOARD_KEY_84=wlan
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# Dell Inspiron 1520
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keyboard:dmi:bvn*:bvr*:bd*:svnDell*:pnInspiron*1520:pvr*
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KEYBOARD_KEY_85=unknown # Brightness Down, also emitted by acpi-video, ignore
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KEYBOARD_KEY_86=unknown # Brightness Up, also emitted by acpi-video, ignore
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# Latitude XT2
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keyboard:dmi:bvn*:bvr*:bd*:svnDell*:pnLatitude*XT2:pvr*
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KEYBOARD_KEY_9b=up # tablet rocker up
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