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 <vishnu...@gmail.com>
---
Changes in v2:
- Improved comments on keycodes in init function
drivers/platform/x86/thinkpad_acpi.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/platform/x86/thinkpad_acpi.c
b/drivers/platform/x86/thinkpad_acpi.c
index a2f21e958d39..370b9285156c 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 */
@@ -356,6 +357,7 @@ 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;
@@ -3346,7 +3348,7 @@ static int __init hotkey_init(struct ibm_init_struct
*iibm)
KEY_HANGUP_PHONE, /* Decline incoming call */
KEY_UNKNOWN, /* AMT_TOGGLE handled in
driver, 0x31a */
KEY_UNKNOWN, /* Camera Shutter Switch, 0X31b
*/
- KEY_UNKNOWN, /* DOUBLETAP_TOGGLE, 0x31c */
+ KEY_UNKNOWN, /* DOUBLETAP_TOGGLE handled in
driver, 0x31c */
KEY_VENDOR, /* System debug info, 0x31D */
KEY_PROG1, /* Trackpoint doubletap */
},
@@ -3606,6 +3608,9 @@ 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;
}
@@ -3747,6 +3752,7 @@ 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;
}
@@ -4011,7 +4017,7 @@ static bool hotkey_notify_6xxx(const u32 hkey,
static bool hotkey_notify_8xxx(const u32 hkey)
{
- if (hkey == TP_HKEY_EV_TRACK_DOUBLETAP) {
+ if (hkey == TP_HKEY_EV_TRACK_DOUBLETAP &&
tp_features.trackpoint_doubletap) {
tpacpi_input_send_key(TP_ACPI_HOTKEYSCAN_DOUBLETAP);
return true;
}
@@ -11229,6 +11235,8 @@ 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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