lkml.org 
[lkml]   [2011]   [Jan]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: [PATCH V2] platform-driver-x86: ACPI EC Extra driver for Oaktrail
On 2011-01-07, 22:09 +0000, Matthew Garrett wrote:
> On Fri, Jan 07, 2011 at 03:41:15PM +0800, Yin Kangkai wrote:
>
> > This driver implements an Extra ACPI EC driver for products based on Intel
> > Oaktrail platform. It is programming the EC space, through existing ACPI EC
> > driver, to provide user space layer the sysfs and rfkill interfaces to
> > enable/disable the Camera, Bluetooth, GPS, WiFi, 3G, and to show the status of
> > Touchscreen.
>
> As far as I can tell, the only ACPI aspect of this driver is that it
> makes use of the ACPI EC driver? In that case I think the name's
> misleading.

OK, am rename the driver "EC Extra driver...",

> > @@ -0,0 +1,13 @@
> > +What: /sys/devices/platform/intel_oaktrail/camera
> > +Date: Jan 2011
> > +KernelVersion: 2.6.37
> > +Contact: "Yin Kangkai" <kangkai.yin@intel.com>
> > +Description:
> > + Control the camera. 1 means on, 0 means off.
> We really need a better approach for this kind of thing...
>
> > +What: /sys/devices/platform/intel_oaktrail/touchscreen
> > +Date: Jan 2011
> > +KernelVersion: 2.6.37
> > +Contact: "Yin Kangkai" <kangkai.yin@intel.com>
> > +Description:
> > + Show the status of the touch screen. 1 means on, 0 means off.
>
> And this one, but we don't have one yet so I think this is ok.
>
> > + wwan_rfkill = oaktrail_rfkill_new("oaktrail-wwan",
> > + RFKILL_TYPE_WWAN,
> > + OT_EC_WWAN_MASK);
>
> Do you have any way to identify whether the hardware has all these
> features before registering?

AFAIK, no, sorry.

> > +static struct dmi_system_id __initdata oaktrail_dmi_table[] = {
> > + {
> > + .ident = "OakTrail platform",
> > + .matches = {
> > + DMI_MATCH(DMI_PRODUCT_NAME, "OakTrail platform"),
> > + },
> > + .callback = dmi_check_cb
> > + },
> > + { }
> > +};
>
> Is any hardware actually going to ship with this identifier, or will
> vendors change the string?


I think vendors and OEMs will change this string. But we can add the
DMI_BOARD_NAME, DMI_BOARD_VERSION, etc. back later, can we?

Thanks.



\
 
 \ /
  Last update: 2011-01-10 08:13    [W:0.049 / U:0.100 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site