Messages in this thread | | | From | Andy Shevchenko <> | Date | Tue, 3 Jan 2017 22:20:12 +0200 | Subject | Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines |
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On Tue, Jan 3, 2017 at 8:50 PM, Pali Rohár <pali.rohar@gmail.com> wrote: > On Tuesday 03 January 2017 19:38:43 Dmitry Torokhov wrote:
>> "IIRC both dell-smo8800 and lis3lv02d represent one HW device (that >> ST microelectronics accelerometer) but due to complicated HW >> abstraction and layers on Dell laptops it is handled by two drivers, >> one ACPI and one i2c." >> >> and that is the core of the issue. You have 2 drivers fighting over >> the same device. Fix this and it will all work. > > With my current implementation (which I sent in this patch), they are > not fighting. > > dell-smo8800 exports /dev/freefall (and nothing more) and lis3lv02d only > accelerometer device as lis3lv02d driver does not get IRQ number in > platform data. > >> As far as I can see hp_accel instantiates lis3lv02d and accesses it >> via ACPI methods, can the same be done for Dell? > > No, Dell does not have any ACPI methods.
> And as I wrote in ACPI or DMI > is even not i2c address of device, so it needs to be specified in code > itself.
And as I wrote there is still a way to provide it without hardcoding on model basis.
> Really there is no other way... :-(
-- With Best Regards, Andy Shevchenko
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