HID: penmount: report only one button for PenMount 6000 USB touchscreen controller
PenMount 6000 USB resistive touchscreen controller reports it has three buttons, while in reality it doesn't have any and doesn't support active styli, and only generates touch events. In penmount_input_mapping(), map only the first button (with code 0), ignore the rest. Signed-off-by: Andrew Shadura <andrew.shadura@collabora.co.uk> Tested-by: Christian Gmeiner <c.gmeiner@bachmann.info Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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@ -23,8 +23,12 @@ static int penmount_input_mapping(struct hid_device *hdev,
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struct hid_usage *usage, unsigned long **bit, int *max)
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{
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if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
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hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
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return 1;
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if (((usage->hid - 1) & HID_USAGE) == 0) {
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hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
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return 1;
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} else {
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return -1;
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}
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}
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return 0;
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