linux-kernel - Re: [PATCH] platform/x86: dell-laptop: Add 2-in-1 devices to the DMI whitelist

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Date:   Fri, 26 Jan 2018 00:06:15 +0100
From:   Pali Rohár <pali.rohar@...il.com>
To:     Darren Hart <dvhart@...radead.org>
Cc:     Alexander Abrosimov <alexander.n.abrosimov@...il.com>,
        Matthew Garrett <mjg59@...f.ucam.org>,
        Mario Limonciello <mario.limonciello@...l.com>,
        Andy Shevchenko <andy@...radead.org>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] platform/x86: dell-laptop: Add 2-in-1 devices to the DMI
 whitelist

On Thursday 25 January 2018 15:02:39 Darren Hart wrote:
> On Fri, Jan 26, 2018 at 01:48:57AM +0300, Alexander Abrosimov wrote:
> > SMBIOS 3.0.0 Specification introduced new Chassis Types field values for
> > 2-in-1 devices like tablets, convertibles and detachables. Dell's
> > Inspiron 2-in-1 and XPS 2-in-1 fall into this category and they have to
> > be added to the DMI whitelist, so rfkill and backlight can be controlled
> > for them as for other laptops.
> > 
> > Signed-off-by: Alexander Abrosimov <alexander.n.abrosimov@...il.com>
> 
> Thanks Alexander. Looks good - just going to give Pali and +Mario a chance to
> respond before merging...

I have no comments for this. This should be confirmed by Mario or
somebody else from Dell, which DMI names are used for a new products.

> > ---
> >  drivers/platform/x86/dell-laptop.c | 18 ++++++++++++++++++
> >  1 file changed, 18 insertions(+)
> > 
> > diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
> > index cd4725e7e0b5..23fc94d70ea1 100644
> > --- a/drivers/platform/x86/dell-laptop.c
> > +++ b/drivers/platform/x86/dell-laptop.c
> > @@ -110,6 +110,24 @@ static const struct dmi_system_id dell_device_table[] __initconst = {
> >  		},
> >  	},
> >  	{
> > +		.matches = {
> > +			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> > +			DMI_MATCH(DMI_CHASSIS_TYPE, "30"), /*Tablet*/
> > +		},
> > +	},
> > +	{
> > +		.matches = {
> > +			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> > +			DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /*Convertible*/
> > +		},
> > +	},
> > +	{
> > +		.matches = {
> > +			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> > +			DMI_MATCH(DMI_CHASSIS_TYPE, "32"), /*Detachable*/
> > +		},
> > +	},
> > +	{
> >  		.ident = "Dell Computer Corporation",
> >  		.matches = {
> >  			DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
> > -- 
> > 2.13.6
> > 
> > 
> 

-- 
Pali Rohár
pali.rohar@...il.com

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