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authorMark Pearson <markpearson@lenovo.com>2022-06-03 13:02:11 -0400
committerHans de Goede <hdegoede@redhat.com>2022-06-22 11:49:46 +0200
commit867eb713180c73335447a9bceb6c4c4c3e9d47c4 (patch)
tree20386700666f1275a0296f8ed3f697be4c3ed974 /drivers/platform/x86/thinkpad_acpi.c
parentplatform/x86: thinkpad-acpi: Add support for automatic mode transitions (diff)
downloadlinux-dev-867eb713180c73335447a9bceb6c4c4c3e9d47c4.tar.xz
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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: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Mark Pearson <markpearson@lenovo.com> Link: https://lore.kernel.org/r/20220603170212.164963-3-markpearson@lenovo.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform/x86/thinkpad_acpi.c')
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c11
1 files changed, 11 insertions, 0 deletions
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)