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platform/x86: dell-wmi: Add a better description for "stealth mode"

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This is based on Mario's explanation and observation of my laptop.

Suggested-by: "Pali Rohár" <pali.rohar@gmail.com>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Mario Limonciello <mario_limonciello@dell.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
This commit is contained in:
Andy Lutomirski 2016-02-17 12:38:07 -08:00 committed by Darren Hart (VMware)
parent 074df51ca8
commit e4f2e3f0ea
1 changed files with 6 additions and 1 deletions
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7
drivers/platform/x86/dell-wmi.c
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@ -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 */