From: Andy Lutomirski Date: Wed, 17 Feb 2016 20:38:07 +0000 (-0800) Subject: platform/x86: dell-wmi: Add a better description for "stealth mode" X-Git-Tag: v4.13-rc1~135^2~45 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e4f2e3f0ea13cf3424c0f23d01424c68a428333b;p=karo-tx-linux.git platform/x86: dell-wmi: Add a better description for "stealth mode" This is based on Mario's explanation and observation of my laptop. Suggested-by: "Pali Rohár" Signed-off-by: Andy Lutomirski Cc: Mario Limonciello Cc: Matthew Garrett Reviewed-by: Andy Shevchenko Signed-off-by: Darren Hart (VMware) --- diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c index 24467b1f0f21..73aee0d1aea4 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 */