Author: Carlos Corbacho <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 8 00:36:49 2008 -0500
Committer: Len Brown <[EMAIL PROTECTED]>
CommitDate: Fri Feb 8 00:36:49 2008 -0500
ACPI: WMI: Improve Kconfig description
As Pavel Machek has pointed out, the Kconfig entry for WMI is pretty
Rewrite it so that it explains what ACPI-WMI is, and why anyone
would want to enable it.
Many thanks to Ray Lee for ideas on this.
Signed-off-by: Carlos Corbacho <[EMAIL PROTECTED]>
CC: Pavel Machek <[EMAIL PROTECTED]>
CC: Ray Lee <[EMAIL PROTECTED]>
Signed-off-by: Len Brown <[EMAIL PROTECTED]>
drivers/acpi/Kconfig | 19 +++++++++++++++----
1 files changed, 15 insertions(+), 4 deletions(-)
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 65da19b..f688c21 100644
@@ -207,11 +207,22 @@ config ACPI_WMI
depends on X86
depends on EXPERIMENTAL
- This driver adds support for the ACPI-WMI mapper device (PNP0C14)
- found on some systems.
+ This driver adds support for the ACPI-WMI (Windows Management
+ Instrumentation) mapper device (PNP0C14) found on some systems.
- NOTE: You will need another driver or userspace application on top of
- this to actually use anything defined in the ACPI-WMI mapper.
+ ACPI-WMI is a proprietary extension to ACPI to expose parts of the
+ ACPI firmware to userspace - this is done through various vendor
+ defined methods and data blocks in a PNP0C14 device, which are then
+ made available for userspace to call.
+ The implementation of this in Linux currently only exposes this to
+ other kernel space drivers.
+ This driver is a required dependency to build the firmware specific
+ drivers needed on many machines, including Acer and HP laptops.
+ It is safe to enable this driver even if your DSDT doesn't define
+ any ACPI-WMI devices.
tristate "ASUS/Medion Laptop Extras"
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