linux-kernel - Re: [PATCH] ACPI: resource: Add a quirk for Lenovo Yoga 7 14ARB7

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Message-ID: <CAJZ5v0iDJtTjZXB3HLZgLX2tLF5DW8Da2-S77zDLsBvH1A1kpA@mail.gmail.com>
Date:   Thu, 17 Aug 2023 18:24:22 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Mario Limonciello <mario.limonciello@....com>
Cc:     rafael@...nel.org, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, regressions@...ts.linux.dev,
        August Wikerfors <git@...ustwikerfors.se>,
        Hans de Goede <hdegoede@...hat.com>
Subject: Re: [PATCH] ACPI: resource: Add a quirk for Lenovo Yoga 7 14ARB7

On Fri, Jul 28, 2023 at 8:58 PM Mario Limonciello
<mario.limonciello@....com> wrote:
>
> Lenovo Yoga 7 needs to have keyboard interrupt signaling polarity
> is incorrect in the MADT and the value from the DSDT should be used.
>
> Reported-by: August Wikerfors <git@...ustwikerfors.se>
> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217718
> Fixes: a9c4a912b7dc ("ACPI: resource: Remove "Zen" specific match and quirks")
> Signed-off-by: Mario Limonciello <mario.limonciello@....com>

Is this still needed after the recent changes from Hans?

> ---
>  drivers/acpi/resource.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
> index 1dd8d5aebf678..1a826419d5837 100644
> --- a/drivers/acpi/resource.c
> +++ b/drivers/acpi/resource.c
> @@ -481,6 +481,17 @@ static const struct dmi_system_id lg_laptop[] = {
>         { }
>  };
>
> +static const struct dmi_system_id lenovo_laptop[] = {
> +       {
> +               .ident = "Lenovo Yoga 7 14ARB7",
> +               .matches = {
> +                       DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> +                       DMI_MATCH(DMI_PRODUCT_NAME, "82QF"),
> +               },
> +       },
> +       { }
> +};
> +
>  struct irq_override_cmp {
>         const struct dmi_system_id *system;
>         unsigned char irq;
> @@ -494,6 +505,7 @@ static const struct irq_override_cmp override_table[] = {
>         { medion_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
>         { asus_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
>         { lg_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
> +       { lenovo_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 1, false}
>  };
>
>  static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity,
> --
> 2.34.1
>