From: Andy Lutomirski <[email protected]> This is based on Mario's explanation and observation of my laptop.
Suggested-by: "Pali Rohár" <[email protected]> Signed-off-by: Andy Lutomirski <[email protected]> Cc: Mario Limonciello <[email protected]> Cc: Matthew Garrett <[email protected]> Cc: Andy Shevchenko <[email protected]> Signed-off-by: Darren Hart (VMware) <[email protected]> --- 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
