Looks like I have the same problem on a Sony Vaio SVP132A1CL,
ubuntustudio 14.04.3 LTS.
# uname -a:
Linux abc 3.16.0-53-lowlatency #72~14.04.1-Ubuntu SMP PREEMPT Fri Nov 6
19:22:01 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
# while : ; do cat /proc/acpi/button/lid/LID0/state ; sleep 1; done
state: open
state: open
state: closed
state: open
# dmesg | grep -i lid:
[ 0.681415] input: Lid Switch as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
[ 0.681712] ACPI: Lid Switch [LID0]
# acpid -ldd:
Deprecated /proc/acpi/event was not found. Trying netlink and the input
layer...
input layer /dev/input/event0 (Lid Switch) opened successfully, fd 4
input layer /dev/input/event1 (Power Button) opened successfully, fd 5
acpid: waiting for events: event logging is on
acpid: received input layer event "button/power PBTN 00000080 00000000"
[closing lid does nothing]
Interestingly, there are no other buttons defined in /proc/acpi/button/.
There doesn't seem to be any activity on /dev/input/event0.
Workaround to lock screen on lid close (run in Settings manager/Session
and start-up/Application Autostart):
#!/bin/sh
while :
do
while grep -q close /proc/acpi/button/lid/LID0/state
do sleep 5; done
#echo "close->open"
while grep -q open /proc/acpi/button/lid/LID0/state
do sleep 1; done
#echo "open->close"
xflock4
done
Hope this helps.
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https://bugs.launchpad.net/bugs/1010926
Title:
HP Folio 13: Lid close event is never fired => no suspend on lid close
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