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: Mario Limonciello <mario.limonciello@xxxxxxx>
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Signed-off-by: Mark Pearson <markpearson@xxxxxxxxxx>
---
drivers/platform/x86/thinkpad_acpi.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 2df290cee0a1..f11866225ef3 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -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)
--
2.36.1
