The patch titled
Subject: drivers/platform/x86/thinkpad_acpi.c: handle HKEY event 0x6040
has been added to the -mm tree. Its filename is
drivers-platform-x86-thinkpad_acpic-handle-hkey-event-0x6040.patch
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From: Richard Hartmann <richih.mailinglist@xxxxxxxxx>
Subject: drivers/platform/x86/thinkpad_acpi.c: handle HKEY event 0x6040
Handle HKEY event generated on AC power change. The current message asks
users to submit data related to this event which leads to a lot of
confusion and noise on the mailing list.
The following is a list affected models and 'Message-Id' from
ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx of people who saw this event when
either plugging or unplugging the AC adapter or docking or undocking their
laptop.
X120e - CAAAujb5v9dHdbdxDVvhNJoG4UrZC1TgKqeB_zGpAy7q8kZHMEQ@xxxxxxxxxxxxxx
X121e - 20120817143459.GB3462@xxxxxxxxxxxxxxx
X220 - Confirmed by Richard Hartmann
X220i - 4F406274.7070807@xxxxxxxxx
X220t - 4F489F5B.9040705@xxxxxxxxxxxxxxx
X230 - CAKx4u7kqvVH0-gstomsiVYdGC0i6=bGxzaQ8sq9gbg76TGme3w@xxxxxxxxxxxxxx
T420 - 9c848ee30b006737d0534d906bab0cf6@xxxxxxxxxxxxxxxxxx
T420s - 20120608080824.GS25324@xxxxxxxxxxxxx
W520 - 20121008181050.GF2549@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Richard Hartmann <richih.mailinglist@xxxxxxxxx>
Acked-by: Henrique de Moraes Holschuh <hmh@xxxxxxxxxx>
Acked-by: Borislav Petkov <bp@xxxxxxxxx>
Cc: Matthew Garrett <mjg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/platform/x86/thinkpad_acpi.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff -puN drivers/platform/x86/thinkpad_acpi.c~drivers-platform-x86-thinkpad_acpic-handle-hkey-event-0x6040 drivers/platform/x86/thinkpad_acpi.c
--- a/drivers/platform/x86/thinkpad_acpi.c~drivers-platform-x86-thinkpad_acpic-handle-hkey-event-0x6040
+++ a/drivers/platform/x86/thinkpad_acpi.c
@@ -209,9 +209,8 @@ enum tpacpi_hkey_event_t {
TP_HKEY_EV_ALARM_SENSOR_XHOT = 0x6022, /* sensor critically hot */
TP_HKEY_EV_THM_TABLE_CHANGED = 0x6030, /* thermal table changed */
- TP_HKEY_EV_UNK_6040 = 0x6040, /* Related to AC change?
- some sort of APM hint,
- W520 */
+ /* AC-related events */
+ TP_HKEY_EV_AC_CHANGED = 0x6040, /* AC status changed */
/* Misc */
TP_HKEY_EV_RFKILL_CHANGED = 0x7000, /* rfkill switch changed */
@@ -3629,6 +3628,12 @@ static bool hotkey_notify_6xxx(const u32
"a sensor reports something is extremely hot!\n");
/* recommended action: immediate sleep/hibernate */
break;
+ case TP_HKEY_EV_AC_CHANGED:
+ /* X120e, X121e, X220, X220i, X220t, X230, T420, T420s, W520:
+ * AC status changed; can be triggered by plugging or
+ * unplugging AC adapter, docking or undocking. */
+
+ /* fallthrough */
case TP_HKEY_EV_KEY_NUMLOCK:
case TP_HKEY_EV_KEY_FN:
_
Patches currently in -mm which might be from richih.mailinglist@xxxxxxxxx are
drivers-platform-x86-thinkpad_acpic-handle-hkey-event-0x6040.patch
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