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| author | Len Brown <len.brown@intel.com> | 2010-08-15 01:06:31 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2010-08-15 01:06:31 -0400 |
| commit | 95ee46aa8698f2000647dfb362400fadbb5807cf (patch) | |
| tree | e5a05c7297f997e191c73091934e42e3195c0e40 /drivers/acpi/Kconfig | |
| parent | cfa806f059801dbe7e435745eb2e187c8bfe1e7f (diff) | |
| parent | 92fa5bd9a946b6e7aab6764e7312e4e3d9bed295 (diff) | |
| download | lwn-95ee46aa8698f2000647dfb362400fadbb5807cf.tar.gz lwn-95ee46aa8698f2000647dfb362400fadbb5807cf.zip | |
Merge branch 'linus' into release
Conflicts:
drivers/acpi/debug.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/Kconfig')
| -rw-r--r-- | drivers/acpi/Kconfig | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 5ed51b3d7522..b811f2173f6f 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -97,6 +97,24 @@ config ACPI_SYSFS_POWER help Say N to disable power /sys interface +config ACPI_EC_DEBUGFS + tristate "EC read/write access through /sys/kernel/debug/ec" + default n + help + Say N to disable Embedded Controller /sys/kernel/debug interface + + Be aware that using this interface can confuse your Embedded + Controller in a way that a normal reboot is not enough. You then + have to power of your system, and remove the laptop battery for + some seconds. + An Embedded Controller typically is available on laptops and reads + sensor values like battery state and temperature. + The kernel accesses the EC through ACPI parsed code provided by BIOS + tables. This option allows to access the EC directly without ACPI + code being involved. + Thus this option is a debug option that helps to write ACPI drivers + and can be used to identify ACPI code or EC firmware bugs. + config ACPI_PROC_EVENT bool "Deprecated /proc/acpi/event support" depends on PROC_FS |