Hi Daniel,
I took a look at enabling this. Unfortunately I noticed the depends
line in the Kconfig as follows:
config HID_BATTERY_STRENGTH
bool "Battery level reporting for HID devices"
depends on HID && POWER_SUPPLY && HID = POWER_SUPPLY
In the Ubuntu configs for Quantal, the following is set which does not
satisfy the depends policy for HID_BATTERY_STRENGTH:
~/ubuntu-quantal/debian.master/config$ grep -rn "CONFIG_HID=" *
config.common.ubuntu:2088:CONFIG_HID=m
~/ubuntu-quantal/debian.master/config$ grep -rn "CONFIG_POWER_SUPPLY=" *
config.common.ubuntu:4187:CONFIG_POWER_SUPPLY=y
Is there a specific reason for depending on HID=POWER_SUPPLY?
I also noticed that the following upstream commit specifically notes
issues with "recent userspace" which is why HID_BATTERY_STRENGTH has
been defaulted to n because it's is causing problems on some systems.
Have the userpace issues been resolved so we don't start
breaking/regressing existing systems if we enable this?
commit 2198edddd8f0245d4c47419310c6cfb0f4e1a197
Author: Josh Boyer <[email protected]>
Date: Wed Apr 18 10:05:17 2012 -0400
HID: default HID_BATTERY_STRENGTH to no
Commit 4f5ca836b "HID: hid-input: add support for HID devices reporting
Battery Strength" added the CONFIG_HID_BATTERY_STRENGTH option to report
the battery strength of HID devices. The commit log explicitly mentions
it not working properly with recent userspace, but it is default y
anyway. This is rather odd, and actually causes problems on real
systems.
This works around Fedora bug
https://bugzilla.redhat.com/show_bug.cgi?id=806295
** Bug watch added: Red Hat Bugzilla #806295
https://bugzilla.redhat.com/show_bug.cgi?id=806295
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https://bugs.launchpad.net/bugs/1003090
Title:
Please enable HID_BATTERY_STRENGTH (on xorg-edgers and quantal kernel
packages)
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