Commit 867eb713 authored by Mark Pearson's avatar Mark Pearson Committed by Hans de Goede
Browse files

platform/x86: thinkpad-acpi: Add support for hotkey 0x131a 



On some AMD platforms if you press FN+T it will toggle whether automatic
mode transitions are active.

Recognize this keycode and use it to toggle AMT.

Co-developed-by: default avatarMario Limonciello <mario.limonciello@amd.com>
Signed-off-by: default avatarMario Limonciello <mario.limonciello@amd.com>
Signed-off-by: default avatarMark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20220603170212.164963-3-markpearson@lenovo.com


Reviewed-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
parent 46dcbc61

drivers/platform/x86/thinkpad_acpi.c

+11 −0
Original line number Diff line number Diff line
@@ -159,6 +159,7 @@ enum tpacpi_hkey_event_t { 
	TP_HKEY_EV_VOL_DOWN		= 0x1016, /* Volume down or unmute */

	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 */



	/* Reasons for waking up from S3/S4 */

	TP_HKEY_EV_WKUP_S3_UNDOCK	= 0x2304, /* undock requested, S3 */
@@ -3735,6 +3736,7 @@ static bool hotkey_notify_extended_hotkey(const u32 hkey) 


	switch (hkey) {

	case TP_HKEY_EV_PRIVACYGUARD_TOGGLE:

	case TP_HKEY_EV_AMT_TOGGLE:

		tpacpi_driver_event(hkey);

		return true;

	}
@@ -11038,6 +11040,15 @@ static void tpacpi_driver_event(const unsigned int hkey_event) 
		if (changed)

			drm_privacy_screen_call_notifier_chain(lcdshadow_dev);

	}

	if (hkey_event == TP_HKEY_EV_AMT_TOGGLE) {

		/* If we're enabling AMT we need to force balanced mode */

		if (!dytc_amt_active)

			/* This will also set AMT mode enabled */

			dytc_profile_set(NULL, PLATFORM_PROFILE_BALANCED);

		else

			dytc_control_amt(!dytc_amt_active);

	}



}



static void hotkey_driver_event(const unsigned int scancode)