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    SubjectRe: ACPI_WMI: worst config description of all times
    On Friday 08 February 2008 00:12:24 Ray Lee wrote:
    > On Feb 7, 2008 3:51 PM, Carlos Corbacho <> wrote:
    > > On Thursday 07 February 2008 23:33:54 Ray Lee wrote:
    > > > Do you have list of hardware/platforms that require this feature to
    > > > get the hardware to work? (acer abc123, tcm1100 xyz)
    > >
    > > I have a very long list of Acer laptops that are supported - which is far
    > > too long, and changes on far too much of a regular basis to put in there.
    > >
    > > Perhaps adding something like "This driver is also a required dependency
    > > to build the firmware specific drivers needed for many laptops, including
    > > Acer and HP machines"?

    Would this be acceptable then?

    ACPI: WMI: Improve Kconfig entry

    From: Carlos Corbacho <>

    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 <>
    CC: Pavel Machek <>
    CC: Ray Lee <>
    CC: Len Brown <>

    drivers/acpi/Kconfig | 19 +++++++++++++++----
    1 files changed, 15 insertions(+), 4 deletions(-)

    diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
    index b7fbf16..ea763ef 100644
    --- a/drivers/acpi/Kconfig
    +++ b/drivers/acpi/Kconfig
    @@ -207,11 +207,22 @@ config ACPI_WMI
    depends on EXPERIMENTAL
    depends on X86
    - 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.

    config ACPI_ASUS
    tristate "ASUS/Medion Laptop Extras"

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