The external buttons on HID touchpads are connected as pass through devices and
button events are not reported in the rmi registers. As a result on these
devices we need to allow the HID generic desktop button events to be processed
by hid-input.
Signed-off-by: Andrew Duggan <adug...@synaptics.com>
---
drivers/hid/hid-rmi.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c
index 018f80f..cdfe165 100644
--- a/drivers/hid/hid-rmi.c
+++ b/drivers/hid/hid-rmi.c
@@ -35,6 +35,7 @@
/* device flags */
#define RMI_DEVICE BIT(0)
+#define RMI_DEVICE_HAS_PHYS_BUTTONS BIT(1)
enum rmi_mode_type {
RMI_MODE_OFF = 0,
@@ -472,6 +473,9 @@ static int rmi_event(struct hid_device *hdev, struct
hid_field *field,
if ((data->device_flags & RMI_DEVICE) &&
(field->application == HID_GD_POINTER ||
field->application == HID_GD_MOUSE)) {
+ if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
+ return 0;
+
rmi_schedule_reset(hdev);
return 1;
}
@@ -942,6 +946,10 @@ static int rmi_input_mapping(struct hid_device *hdev,
* we want to make HID ignore the advertised HID collection
* for RMI deivces
*/
+ if ((data->device_flags & RMI_DEVICE_HAS_PHYS_BUTTONS) &&
+ ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON))
+ return 0;
+
if (data->device_flags & RMI_DEVICE)
return -1;
--
2.1.0
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