The hotkey combination FN+G can be used to disable the trackpoint
doubletap feature on Windows.
Add matching functionality for Linux.
Signed-off-by: Mark Pearson <mpearson-len...@squebb.ca>
Signed-off-by: Vishnu Sankar <vsan...@lenovo.com>
---
drivers/platform/x86/thinkpad_acpi.c | 24 +++++++++++++++++-------
1 file changed, 17 insertions(+), 7 deletions(-)
diff --git a/drivers/platform/x86/thinkpad_acpi.c
b/drivers/platform/x86/thinkpad_acpi.c
index 854ce971bde2..21756aa3d28d 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -167,6 +167,7 @@ enum tpacpi_hkey_event_t {
TP_HKEY_EV_VOL_MUTE = 0x1017, /* Mixer output mute */
TP_HKEY_EV_PRIVACYGUARD_TOGGLE = 0x130f, /* Toggle priv.guard on/off */
TP_HKEY_EV_AMT_TOGGLE = 0x131a, /* Toggle AMT on/off */
+ TP_HKEY_EV_DOUBLETAP_TOGGLE = 0x131c, /* Toggle trackpoint
doubletap on/off */
TP_HKEY_EV_PROFILE_TOGGLE = 0x131f, /* Toggle platform profile */
/* Reasons for waking up from S3/S4 */
@@ -354,6 +355,7 @@ static struct {
u32 hotkey_poll_active:1;
u32 has_adaptive_kbd:1;
u32 kbd_lang:1;
+ u32 trackpoint_doubletap:1;
struct quirk_entry *quirks;
} tp_features;
@@ -3598,6 +3600,9 @@ static int __init hotkey_init(struct ibm_init_struct
*iibm)
hotkey_poll_setup_safe(true);
+ /* Enable doubletap by default */
+ tp_features.trackpoint_doubletap = 1;
+
return 0;
}
@@ -3739,6 +3744,7 @@ static bool hotkey_notify_extended_hotkey(const u32 hkey)
case TP_HKEY_EV_PRIVACYGUARD_TOGGLE:
case TP_HKEY_EV_AMT_TOGGLE:
case TP_HKEY_EV_PROFILE_TOGGLE:
+ case TP_HKEY_EV_DOUBLETAP_TOGGLE:
tpacpi_driver_event(hkey);
return true;
}
@@ -4092,13 +4098,15 @@ static void hotkey_notify(struct ibm_struct *ibm, u32
event)
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);
+ if (tp_features.trackpoint_doubletap) {
+ /* 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 */
@@ -11228,6 +11236,8 @@ static void tpacpi_driver_event(const unsigned int
hkey_event)
/* Notify user space the profile changed */
platform_profile_notify();
}
+ if (hkey_event == TP_HKEY_EV_DOUBLETAP_TOGGLE)
+ tp_features.trackpoint_doubletap =
!tp_features.trackpoint_doubletap;
}
static void hotkey_driver_event(const unsigned int scancode)
--
2.44.0
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