Hi Randy. > -----Original Message----- > From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Sent: Tuesday, March 23, 2021 1:15 AM > To: Yuan, Perry; pobrn@xxxxxxxxxxxxxx; pierre- > louis.bossart@xxxxxxxxxxxxxxx; oder_chiou@xxxxxxxxxxx; perex@xxxxxxxx; > tiwai@xxxxxxxx; hdegoede@xxxxxxxxxx; mgross@xxxxxxxxxxxxxxx; > Limonciello, Mario > Cc: lgirdwood@xxxxxxxxx; broonie@xxxxxxxxxx; alsa-devel@xxxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx; platform-driver-x86@xxxxxxxxxxxxxxx > Subject: Re: [PATCH v5 1/2] platform/x86: dell-privacy: Add support for Dell > hardware privacy > > > [EXTERNAL EMAIL] > > On 3/22/21 2:38 AM, Perry Yuan wrote: > > From: Perry Yuan <perry_yuan@xxxxxxxx> > > > > > diff --git a/drivers/platform/x86/dell/Kconfig > > b/drivers/platform/x86/dell/Kconfig > > index e0a55337f51a..0e0f1eb35bd6 100644 > > --- a/drivers/platform/x86/dell/Kconfig > > +++ b/drivers/platform/x86/dell/Kconfig > > @@ -204,4 +204,20 @@ config DELL_WMI_SYSMAN > > To compile this driver as a module, choose M here: the module will > > be called dell-wmi-sysman. > > > > +config DELL_PRIVACY > > + tristate "Dell Hardware Privacy Support" > > + depends on ACPI > > + depends on ACPI_WMI > > + depends on INPUT > > + depends on DELL_LAPTOP > > + depends on LEDS_TRIGGER_AUDIO > > + select DELL_WMI > > + help > > + This driver provides support for the "Dell Hardware Privacy" feature > > + of Dell laptops. > > + Support for a micmute and camera mute privacy will be provided as > > better: > are provided as > > > + hardware button Ctrl+F4 and Ctrl+F9 hotkey. > > Does that say that Ctrl+F4 is a hardware button and that Ctrl+F9 is a hotkey? > If so, what's the difference? and why? Are they different hardware > implementations? Does the user care? They all use the Ctrl button, Ctrl +F4 requires that the Ctrl button and F4 button are pressed at the same time. F9+ctrl also have the same meaning. They are belonging to same hardware privacy solution, just use different keys combination to activate different privacy function . > > > + > > + To compile this driver as a module, choose M here: the module will > > + be called dell_privacy. > > endif # X86_PLATFORM_DRIVERS_DELL > thanks. > -- > ~Randy