Re: [PATCH v5 4/5] dell-wmi: Support new hotkeys on the XPS 13 9350 (Skylake)

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On Monday 15 February 2016 18:26:24 Mario Limonciello wrote:
> On 02/15/2016 11:20 AM, Pali Rohár wrote:
> > On Monday 15 February 2016 17:32:36 Andy Lutomirski wrote:
> >> +       /* Stealth mode toggle */
> >> +       { KE_IGNORE, 0x155, { KEY_RESERVED } },
> > 
> > Hi! Just one question, what does this "Stealth mode" means and what
> > this toggle key/button doing?
> > 
> > I would propose for Laptops manufactures to revert back normal
> > nonchiclet keyboard with full 105 normal keys (with F1-F12) instead
> > inventing such useless and crappy/funny names for keys/buttons on
> > laptops which replace PgUP/PgDown/SysRq and etc...
> 
> Pali,
> 
> Stealth mode will "disable all lights and sounds".  The event is for
> notification only.  The actual change is performed by a combination
> of the BIOS and EC.
> 
> There is also a BIOS setting that disables the hotkey from doing
> anything.
> 
> Thanks,

Thank you! Now I can image what this line in diff means :-)

Anyway, I would propose some rule to and longer description for newly 
invented hot key events which are marked as KEY_RESERVED in kernel 
source code. Really sometimes it is hard to guess what it can means and 
constant KEY_RESERVED does not help much more.

-- 
Pali Rohár
pali.rohar@xxxxxxxxx

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