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author | Mark Pearson <markpearson@lenovo.com> | 2022-06-03 13:02:11 -0400 |
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committer | Hans de Goede <hdegoede@redhat.com> | 2022-06-22 11:49:46 +0200 |
commit | 867eb713180c73335447a9bceb6c4c4c3e9d47c4 (patch) | |
tree | 20386700666f1275a0296f8ed3f697be4c3ed974 /drivers/platform | |
parent | 46dcbc61b739b0822855875e7dd8d8f471f50253 (diff) | |
download | linux-stable-867eb713180c73335447a9bceb6c4c4c3e9d47c4.tar.gz linux-stable-867eb713180c73335447a9bceb6c4c4c3e9d47c4.tar.bz2 linux-stable-867eb713180c73335447a9bceb6c4c4c3e9d47c4.zip |
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')
-rw-r--r-- | drivers/platform/x86/thinkpad_acpi.c | 11 |
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) |