On Sat, May 27, 2017 at 8:16 AM, Darren Hart <dvhart@xxxxxxxxxxxxx> wrote:
> From: Andy Lutomirski <luto@xxxxxxxxxx>
>
> This is based on Mario's explanation and observation of my laptop.
>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Suggested-by: "Pali Rohár" <pali.rohar@xxxxxxxxx>
> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
> Cc: Mario Limonciello <mario_limonciello@xxxxxxxx>
> Cc: Matthew Garrett <mjg59@xxxxxxxxxxxxx>
> Cc: Andy Shevchenko <andy@xxxxxxxxxxxxx>
> Signed-off-by: Darren Hart (VMware) <dvhart@xxxxxxxxxxxxx>
> ---
> drivers/platform/x86/dell-wmi.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
> index 24467b1..73aee0d 100644
> --- a/drivers/platform/x86/dell-wmi.c
> +++ b/drivers/platform/x86/dell-wmi.c
> @@ -272,7 +272,12 @@ static const struct key_entry dell_wmi_keymap_type_0010[] __initconst = {
> /* RGB keyboard backlight control */
> { KE_IGNORE, 0x154, { KEY_RESERVED } },
>
> - /* Stealth mode toggle */
> + /*
> + * Stealth mode toggle. This will "disable all lights and sounds".
> + * The action is performed by the BIOS and EC; the WMI event is just
> + * a notification. On the XPS 13 9350, this is Fn+F7, and there's
> + * a BIOS setting to enable and disable the hotkey.
> + */
> { KE_IGNORE, 0x155, { KEY_RESERVED } },
>
> /* Rugged magnetic dock attach/detach events */
> --
> 2.9.4
>
--
With Best Regards,
Andy Shevchenko
