Hi Dan,
Yes, Bruce has an internal patch fixed this issue but glad to see you
done this too. :)
Thanks,
Shuduo
On Fri, Mar 14, 2014 at 10:28 PM, Dan Aloni <dan@xxxxxxxxxxxx> wrote:
> Hello,
>
> I have been experiencing an issue with the Lenovo Carbon X1 Gen 2 -
> after resuming from suspend-to-RAM, the adaptive keyboard bar was
> completely off and did not respond to any touch.
>
> Thanks to Shuduo San's patches for supporting the Lenovo adaptive
> keyboard, I was inspired to device a fix. Seems that simply calling
> the ACPI function to set the state of the adaptive keyboard after
> resume takes from it off state.
>
> This fix is not perfect because it does not remember the last mode
> used. But it makes it useful enough for me (one can't work without
> the function keys...). I hope you integrate this anyway into your
> proposed changes.
>
> Signed-off-by: Dan Aloni <dan@xxxxxxxxxxxx>
> ---
> drivers/platform/x86/thinkpad_acpi.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
> index 866b42a..13a10ba 100644
> --- a/drivers/platform/x86/thinkpad_acpi.c
> +++ b/drivers/platform/x86/thinkpad_acpi.c
> @@ -3880,6 +3880,12 @@ static void hotkey_resume(void)
> hotkey_wakeup_reason_notify_change();
> hotkey_wakeup_hotunplug_complete_notify_change();
> hotkey_poll_setup_safe(false);
> +
> + if (hkey_handle) {
> + /* Re-awake the the adaptive keyboard if it exists */
> + acpi_evalf(hkey_handle,
> + NULL, "STRW", "vd", FUNCTION_MODE);
> + }
> }
>
> /* procfs -------------------------------------------------------------- */
> --
> 1.8.5.3
>
>
> --
> Dan Aloni
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