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HID: asus: Add event handler to catch unmapped Asus Vendor UsagePage codes
Various Asus devices generate HID events using the Asus Vendor specific UsagePage 0xff31 and hid-asus will map these in its input_mapping for all devices to which it binds (independent of any quirks). Add an event callback which check for unmapped (because sofar unknown) usages within the Asus Vendor UsagePage and log a warning for these. The purpose of this patch is to help debugging / find such unmapped codes and add them to the asus_input_mapping() function. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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1 changed files with 13 additions and 0 deletions
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@ -241,6 +241,18 @@ static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size)
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return 1;
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}
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static int asus_event(struct hid_device *hdev, struct hid_field *field,
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struct hid_usage *usage, __s32 value)
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{
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if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 &&
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(usage->hid & HID_USAGE) != 0x00 && !usage->type) {
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hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n",
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usage->hid & HID_USAGE);
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}
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return 0;
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}
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static int asus_raw_event(struct hid_device *hdev,
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struct hid_report *report, u8 *data, int size)
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{
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@ -832,6 +844,7 @@ static struct hid_driver asus_driver = {
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#ifdef CONFIG_PM
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.reset_resume = asus_reset_resume,
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#endif
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.event = asus_event,
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.raw_event = asus_raw_event
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};
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module_hid_driver(asus_driver);
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