linux-kernel - Re: [PATCH] ACPI: x86: utils: Remove Lenovo Yoga Tablet 2's MAGN0001

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Message-ID: <CAJZ5v0j7ZoGRAeASR1UtJTDANFHC=5VP7-5vSC-ouXozrwG6pw@mail.gmail.com>
Date:   Thu, 27 Apr 2023 18:53:09 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Hans de Goede <hdegoede@...hat.com>,
        Marius Hoch <mail@...iushoch.de>
Cc:     Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ACPI: x86: utils: Remove Lenovo Yoga Tablet 2's MAGN0001

On Sat, Apr 22, 2023 at 7:29 PM Hans de Goede <hdegoede@...hat.com> wrote:
>
> Hi,
>
> On 4/22/23 18:44, Marius Hoch wrote:
> > The LSM303D on the Lenovo Yoga Tablet 2 series is present
> > as both ACCL0001 and MAGN0001. As we can only ever register an
> > i2c client for one of them, ignore MAGN0001.
> >
> > Currently this errors:
> > i2c i2c-4: Failed to register i2c client MAGN0001:00 at 0x1d (-16)
> >
> > Tested on a Lenovo Yoga Tablet 2 1051-F.
> >
> > Signed-off-by: Marius Hoch <mail@...iushoch.de>
>
> Thanks, patch looks good to me:
>
> Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Applied as 6.4-rc material, thanks!

> > ---
> >  drivers/acpi/x86/utils.c | 10 ++++++++++
> >  1 file changed, 10 insertions(+)
> >
> > diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c
> > index ba420a28a4aa..9c2d6f35f88a 100644
> > --- a/drivers/acpi/x86/utils.c
> > +++ b/drivers/acpi/x86/utils.c
> > @@ -143,6 +143,16 @@ static const struct override_status_id override_status_ids[] = {
> >               DMI_EXACT_MATCH(DMI_BOARD_SERIAL, "Default string"),
> >               DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Default string"),
> >             }),
> > +
> > +     /*
> > +      * The LSM303D on the Lenovo Yoga Tablet 2 series is present
> > +      * as both ACCL0001 and MAGN0001. As we can only ever register an
> > +      * i2c client for one of them, ignore MAGN0001.
> > +      */
> > +     NOT_PRESENT_ENTRY_HID("MAGN0001", "1", ATOM_SILVERMONT, {
> > +             DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> > +             DMI_MATCH(DMI_PRODUCT_FAMILY, "YOGATablet2"),
> > +           }),
> >  };
> >
> >  bool acpi_device_override_status(struct acpi_device *adev, unsigned long long *status)
>