GNU bug report logs - #19895
24.4; battery.el does not support /sys/class/power_supply/BATX

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Stefan Kangas <stefan <at> marxist.se>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#19895: closed (24.4; battery.el does not support
 /sys/class/power_supply/BATX)
Date: Fri, 20 Sep 2019 23:46:01 +0000

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Your message dated Sat, 21 Sep 2019 01:44:58 +0200
with message-id <CADwFkmmc=u1pAuuiKQnrUBC_RjEVsg_mmKF5QzMG61NwADrQzg <at> mail.gmail.com>
and subject line Re: bug#19895: 24.4; battery.el does not support /sys/class/power_supply/BATX
has caused the debbugs.gnu.org bug report #19895,
regarding 24.4; battery.el does not support /sys/class/power_supply/BATX
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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19895: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=19895
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From: Greg Farough <gregf <at> riseup.net>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.4; battery.el does not support /sys/class/power_supply/BATX
Date: Wed, 18 Feb 2015 09:53:59 -0600

It seems that battery-linux-sysfs does not support certain laptop
batteries which are not classified as BAT0, but by BATX instead. I had
to add this to my .emacs to get display-battery-mode working properly:

(eval-after-load 'battery
  '(progn
     (setq battery--linux-sysfs-regexp "[bB][aA][tT][xX]$")
     (setq battery-status-function 'battery-linux-sysfs
      battery-echo-area-format "Power %L, battery %B (%p%% charged, remaining time %t)"
      battery-mode-line-format " [%p%%] ")))
(display-battery-mode 1)

Hope this helps, and thanks for all your hard work.
-g

-- 
Ξυνὸν δέ μοί ἐστιν, ὁππόθεν ἄρξωμαι· τόθι γὰρ πάλιν ἵξομαι αὖθις.

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From: Stefan Kangas <stefan <at> marxist.se>
To: Greg Farough <gregf <at> riseup.net>
Cc: 19895-done <at> debbugs.gnu.org
Subject: Re: bug#19895: 24.4;
 battery.el does not support /sys/class/power_supply/BATX
Date: Sat, 21 Sep 2019 01:44:58 +0200

Greg Farough <gregf <at> riseup.net> writes:

> It seems that battery-linux-sysfs does not support certain laptop
> batteries which are not classified as BAT0, but by BATX instead. I had
> to add this to my .emacs to get display-battery-mode working properly:
>
> (eval-after-load 'battery
>   '(progn
>      (setq battery--linux-sysfs-regexp "[bB][aA][tT][xX]$")
>      (setq battery-status-function 'battery-linux-sysfs
>       battery-echo-area-format "Power %L, battery %B (%p%% charged, remaining time %t)"
>       battery-mode-line-format " [%p%%] ")))
> (display-battery-mode 1)

This has been fixed by the following commit on current master branch,
which makes 'M-x battery' list all batteries no matter what they're
named:

commit 6b38e34a11a85d50fa384b90ed21ea60d6d646d5
Author: Lars Ingebrigtsen <larsi <at> gnus.org>
Date:   Fri Aug 23 02:40:26 2019 +0200
    Have `M-x battery' list all batteries under GNU/Linux

I'm therefore closing this bug report.  If you could please verify that
the fix works for you and report back, that would be even better.

Best regards,
Stefan Kangas

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