Re: [PATCH 3/3] ACPI / X86: Add KIOX000A accelerometer on GPD win to always_present_ids array

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Hi,

On 10-07-17 12:22, Andy Shevchenko wrote:
On Sun, 2017-07-09 at 21:05 +0200, Hans de Goede wrote:
The GPD win BIOS dated 20170320 has disabled the accelerometer, the
drivers sometimes cause crashes under Windows and this is how the
manufacturer has solved this :|

I see no other way to keep the accelerometer working under Windows
then
adding it to the always_present_ids array.


+	ENTRY("KIOX000A", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT), {
+		DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
+		DMI_MATCH(DMI_BOARD_NAME, "Default string"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
+		DMI_MATCH(DMI_BIOS_DATE, "03/20/2017")

4 entries for 2 entry array?

No, there are 2 dmi_system_id array entries, one with the
actual id, one empty to terminate the array. The
dmi_system_id array entry has a matches array which is 4 big:

struct dmi_system_id {
        int (*callback)(const struct dmi_system_id *);
        const char *ident;
        struct dmi_strmatch matches[4];
        void *driver_data;
};

And the ENTRY macro puts the passed in arguments into the matches
array.

Regards,

Hans
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