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bug#643: 23.0.60; battery.el needs deprecated ACPI_PROCFS_POWER interfac
From: |
Sven Joachim |
Subject: |
bug#643: 23.0.60; battery.el needs deprecated ACPI_PROCFS_POWER interface |
Date: |
Sun, 03 Aug 2008 09:04:05 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) |
In recent Linux kernels, the information about battery status has been
moved from /proc/acpi/battery to /sys/class/power_supply. It is only
available from the former place if the kernel has been built with the
ACPI_PROCFS_POWER option, which is deprecated:
,----[ /usr/src/linux-2.6.26.1/drivers/acpi/Kconfig ]
| config ACPI_PROCFS_POWER
| bool "Deprecated power /proc/acpi directories"
| depends on PROC_FS
| default y
| ---help---
| For backwards compatibility, this option allows
| deprecated power /proc/acpi/ directories to exist, even when
| they have been replaced by functions in /sys.
| The deprecated directories (and their replacements) include:
| /proc/acpi/battery/* (/sys/class/power_supply/*)
| /proc/acpi/ac_adapter/* (sys/class/power_supply/*)
| This option has no effect on /proc/acpi/ directories
| and functions, which do not yet exist in /sys
|
| Say N to delete power /proc/acpi/ directories that have moved to /sys/
|
`----
At least Debian ships kernels that are built without ACPI_PROCFS_POWER,
so battery.el will not work with them.
Sven
- bug#643: 23.0.60; battery.el needs deprecated ACPI_PROCFS_POWER interface,
Sven Joachim <=