Re: [PATCH] Make PNP IDs all uppercase

Carlos Corbacho
2009-01-22T23:06:28Z

On Sunday 18 January 2009 14:02:32 Philipp Kohlbecher wrote:
> If I understand correctly, ACPI _HIDs (including PNP IDs) should be all
> uppercase, including the hex digits, cf. ACPI Specification 3.0b [1],
> pp. 162-3 and acpi_glb_hex_to_ascii[] in drivers/acpi/utilities/utglobal.c.

ACPI-WMI violates the spec here.

> diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
> index 8a8b377..79b8af7 100644
> --- a/drivers/platform/x86/wmi.c
> +++ b/drivers/platform/x86/wmi.c
> @@ -84,7 +84,7 @@ static int acpi_wmi_add(struct acpi_device *device);
>
> static const struct acpi_device_id wmi_device_ids[] = {
> {"PNP0C14", 0},
> - {"pnp0c14", 0},
> + {"PNP0C14", 0},
> {"", 0},
> };
> MODULE_DEVICE_TABLE(acpi, wmi_device_ids);
> diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
> index 8473fe5..18c9335 100644

NAK to the ACPI-WMI changes. There really is a pnp0c14 and a PNP0C14, and
removing the lower case version breaks ACPI-WMI on my laptop.

-Carlos
--
E-Mail: carlos@strangeworlds.co.uk
Web: strangeworlds.co.uk
GPG Key ID: 0x23EE722D