Commit fd1e3344 authored by Mark Pearson's avatar Mark Pearson Committed by Hans de Goede
Browse files

platform/x86: thinkpad_acpi: Support hotkey to disable trackpoint doubletap 



The hotkey combination Fn + G can be used to disable the trackpoint
doubletap feature on Windows. Add matching functionality for Linux.

Signed-off-by: default avatarMark Pearson <mpearson-lenovo@squebb.ca>
Signed-off-by: default avatarVishnu Sankar <vishnuocv@gmail.com>
Link: https://lore.kernel.org/r/20240417173124.9953-4-mpearson-lenovo@squebb.ca


[hdegoede@redhat.com: Adjust for switch to sparse-keymap keymaps]
[hdegoede@redhat.com: Do not log unknown event msg for doubletap when disabled]
Tested-by: default avatarMark Pearson <mpearson-lenovo@squebb.ca>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Reviewed-by: default avatarMark Pearson <mpearson-lenovo@squebb.ca>
Reviewed-by: default avatarIlpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240424122834.19801-25-hdegoede@redhat.com
parent 1a22cb1c

drivers/platform/x86/thinkpad_acpi.c

+11 −1
Original line number Diff line number Diff line
@@ -183,6 +183,7 @@ enum tpacpi_hkey_event_t { 
						   * directly in the sparse-keymap.

						   */

	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 */
@@ -372,6 +373,7 @@ 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;
@@ -3527,6 +3529,9 @@ 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;

}
@@ -3826,7 +3831,9 @@ static bool hotkey_notify_8xxx(const u32 hkey, bool *send_acpi_ev) 
{

	switch (hkey) {

	case TP_HKEY_EV_TRACK_DOUBLETAP:

		if (tp_features.trackpoint_doubletap)

			tpacpi_input_send_key(hkey, send_acpi_ev);



		return true;

	default:

		return false;
@@ -11033,6 +11040,9 @@ static bool tpacpi_driver_event(const unsigned int hkey_event) 
		else

			dytc_control_amt(!dytc_amt_active);



		return true;

	case TP_HKEY_EV_DOUBLETAP_TOGGLE:

		tp_features.trackpoint_doubletap = !tp_features.trackpoint_doubletap;

		return true;

	case TP_HKEY_EV_PROFILE_TOGGLE:

		platform_profile_cycle();