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authorAndy Lutomirski <[email protected]>2016-02-17 12:38:07 -0800
committerDarren Hart (VMware) <[email protected]>2017-06-03 12:13:52 -0700
commite4f2e3f0ea13cf3424c0f23d01424c68a428333b (patch)
treec8820ca450867fdb92b2606721594308e323ad6f
parent074df51ca84d321f4d259b097d80ebca6a3ee9fe (diff)
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" <[email protected]> Signed-off-by: Andy Lutomirski <[email protected]> Cc: Mario Limonciello <[email protected]> Cc: Matthew Garrett <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> Signed-off-by: Darren Hart (VMware) <[email protected]>
-rw-r--r--drivers/platform/x86/dell-wmi.c7
1 files changed, 6 insertions, 1 deletions
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 */