Re: [PATCH 3/3] ideapad: add hotkey support

From: Ike Panhc
Date: Thu Dec 02 2010 - 18:43:59 EST


On 12/03/2010 07:41 AM, Dave Hansen wrote:
> On Wed, 2010-11-17 at 15:00 +0800, Ike Panhc wrote:
>> +static void ideapad_input_report(unsigned long scancode)
>> +{
>> + sparse_keymap_report_event(ideapad_priv->inputdev, scancode, 1, true);
>> +}
>
> I got a little build error about some unresolved symbols in the module
> while compiling:
>
> ERROR: "sparse_keymap_setup" [drivers/platform/x86/ideapad-laptop.ko] undefined!
> ERROR: "sparse_keymap_free" [drivers/platform/x86/ideapad-laptop.ko] undefined!
> ERROR: "sparse_keymap_report_event" [drivers/platform/x86/ideapad-laptop.ko] undefined!
>
> You can get it to go away by setting CONFIG_INPUT_SPARSEKMAP=m or =y
> in .config. But, I think your patches need this:
>
> diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
> index faec777..879d266 100644
> --- a/drivers/platform/x86/Kconfig
> +++ b/drivers/platform/x86/Kconfig
> @@ -226,6 +226,7 @@ config IDEAPAD_LAPTOP
> tristate "Lenovo IdeaPad Laptop Extras"
> depends on ACPI
> depends on RFKILL
> + select INPUT_SPARSEKMAP
> help
> This is a driver for the rfkill switches on Lenovo IdeaPad netbooks.
>
>
> Signed-off-by: Dave Hansen <dave@xxxxxxxxxxxxxxxxxx>
>

Thanks, you are right
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