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-rw-r--r--drivers/hid/hid-logitech-hidpp.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index 17e27e98e442..361e97da1169 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -39,6 +39,7 @@ MODULE_AUTHOR("Nestor Lopez Casado <nlopezcasad@logitech.com>");
/* bits 1..20 are reserved for classes */
#define HIDPP_QUIRK_DELAYED_INIT BIT(21)
#define HIDPP_QUIRK_WTP_PHYSICAL_BUTTONS BIT(22)
+#define HIDPP_QUIRK_MULTI_INPUT BIT(23)
/*
* There are two hidpp protocols in use, the first version hidpp10 is known
@@ -614,6 +615,12 @@ static int wtp_input_mapping(struct hid_device *hdev, struct hid_input *hi,
struct hid_field *field, struct hid_usage *usage,
unsigned long **bit, int *max)
{
+ struct hidpp_device *hidpp = hid_get_drvdata(hdev);
+
+ if ((hidpp->quirks & HIDPP_QUIRK_MULTI_INPUT) &&
+ (field->application == HID_GD_KEYBOARD))
+ return 0;
+
return -1;
}
@@ -622,6 +629,10 @@ static void wtp_populate_input(struct hidpp_device *hidpp,
{
struct wtp_data *wd = hidpp->private_data;
+ if ((hidpp->quirks & HIDPP_QUIRK_MULTI_INPUT) && origin_is_hid_core)
+ /* this is the generic hid-input call */
+ return;
+
__set_bit(EV_ABS, input_dev->evbit);
__set_bit(EV_KEY, input_dev->evbit);
__clear_bit(EV_REL, input_dev->evbit);
@@ -1114,6 +1125,10 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (hidpp->quirks & HIDPP_QUIRK_DELAYED_INIT)
connect_mask &= ~HID_CONNECT_HIDINPUT;
+ /* Re-enable hidinput for multi-input devices */
+ if (hidpp->quirks & HIDPP_QUIRK_MULTI_INPUT)
+ connect_mask |= HID_CONNECT_HIDINPUT;
+
ret = hid_hw_start(hdev, connect_mask);
if (ret) {
hid_err(hdev, "%s:hid_hw_start returned error\n", __func__);
@@ -1160,6 +1175,11 @@ static const struct hid_device_id hidpp_devices[] = {
HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_LOGITECH_T651),
.driver_data = HIDPP_QUIRK_CLASS_WTP },
+ { /* Keyboard TK820 */
+ HID_DEVICE(BUS_USB, HID_GROUP_LOGITECH_DJ_DEVICE,
+ USB_VENDOR_ID_LOGITECH, 0x4102),
+ .driver_data = HIDPP_QUIRK_DELAYED_INIT | HIDPP_QUIRK_MULTI_INPUT |
+ HIDPP_QUIRK_CLASS_WTP },
{ HID_DEVICE(BUS_USB, HID_GROUP_LOGITECH_DJ_DEVICE,
USB_VENDOR_ID_LOGITECH, HID_ANY_ID)},
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