Lenovo trackpoints are adding the ability to generate a doubletap event.
This handles the doubletap event and sends the KEY_DOUBLECLICK event to
userspace.
Signed-off-by: Mark Pearson <mpearson-lenovo@xxxxxxxxx>
Signed-off-by: Vishnu Sankar <vsankar@xxxxxxxxxx>
---
drivers/platform/x86/thinkpad_acpi.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 82429e59999d..2bbb32c898e9 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -232,6 +232,7 @@ enum tpacpi_hkey_event_t {
/* Misc */
TP_HKEY_EV_RFKILL_CHANGED = 0x7000, /* rfkill switch changed */
+ TP_HKEY_EV_TRACKPOINT_DOUBLETAP = 0x8036, /* doubletap on Trackpoint*/
};
/****************************************************************************
@@ -4081,6 +4082,22 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
break;
}
fallthrough; /* to default */
+ case 8:
+ /* 0x8036: Trackpoint doubletaps */
+ if (hkey == TP_HKEY_EV_TRACKPOINT_DOUBLETAP) {
+ send_acpi_ev = true;
+ ignore_acpi_ev = false;
+ known_ev = true;
+ /* Send to user space */
+ mutex_lock(&tpacpi_inputdev_send_mutex);
+ input_report_key(tpacpi_inputdev, KEY_DOUBLECLICK, 1);
+ input_sync(tpacpi_inputdev);
+ input_report_key(tpacpi_inputdev, KEY_DOUBLECLICK, 0);
+ input_sync(tpacpi_inputdev);
+ mutex_unlock(&tpacpi_inputdev_send_mutex);
+ break;
+ }
+ fallthrough; /* to default */
default:
known_ev = false;
}
--
2.44.0
