Re: [PATCH] i2c: i801: Register optional lis3lv02d i2c device on Dell machines
From: Pali RohÃr
Date: Wed Dec 28 2016 - 03:38:51 EST
On Tuesday 27 December 2016 23:15:30 Andy Shevchenko wrote:
> On Tue, Dec 27, 2016 at 3:51 PM, Pali RohÃr <pali.rohar@xxxxxxxxx>
> > On Tuesday 27 December 2016 14:43:49 Wolfram Sang wrote:
> >> > Dell platform team told us that some (DMI whitelisted) Dell
> >> > Latitude machines have ST microelectronics accelerometer at i2c
> >> > address 0x29. That
> >> > i2c address is not specified in DMI or ACPI, so runtime
> >> > detection without
> >> > whitelist which is below is not possible.
> >> I'd think this should rather live somewhere in
> >> drivers/platform/x86/dell*.c?
> > i2c_new_device() with lis3lv02d for i801 i2c bus needs to be called
> > after initializing i2c-i801 bus driver.
> > I have no idea how to do it (properly) outside of i2c-i801.c file.
> I doubt we need a single line of code for this. See  and perhaps
> create an EFI variable with necessary upgrade device node.
Sorry, but EFI variable is not accessible from BIOS booted kernel. So
such thing will not work.
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