diff options
Diffstat (limited to 'drivers/acpi/Kconfig')
| -rw-r--r-- | drivers/acpi/Kconfig | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 746411518802..b811f2173f6f 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -54,17 +54,10 @@ config ACPI_PROCFS they have been replaced by functions in /sys. The deprecated files (and their replacements) include: - /proc/acpi/sleep (/sys/power/state) - /proc/acpi/info (/sys/module/acpi/parameters/acpica_version) - /proc/acpi/dsdt (/sys/firmware/acpi/tables/DSDT) - /proc/acpi/fadt (/sys/firmware/acpi/tables/FACP) - /proc/acpi/debug_layer (/sys/module/acpi/parameters/debug_layer) - /proc/acpi/debug_level (/sys/module/acpi/parameters/debug_level) - /proc/acpi/processor/*/power (/sys/devices/system/cpu/*/cpuidle/*) - /proc/acpi/processor/*/performance (/sys/devices/system/cpu/*/ - cpufreq/*) /proc/acpi/processor/*/throttling (/sys/class/thermal/ cooling_device*/*) + /proc/acpi/video/*/brightness (/sys/class/backlight/) + /proc/acpi/thermal_zone/*/* (/sys/class/thermal/) This option has no effect on /proc/acpi/ files and functions which do not yet exist in /sys. @@ -104,6 +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 |