lkml.org 
[lkml]   [2012]   [Dec]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] drivers/platform/x86/thinkpad_acpi.c: Handle HKEY event 0x6040
Date
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 of causes, affected models, and 'message-id'
from ibm-acpi-devel@lists.sourceforge.net :

AC plug/unplug:

X120e - CAAAujb5v9dHdbdxDVvhNJoG4UrZC1TgKqeB_zGpAy7q8kZHMEQ@mail.gmail.com
x121e - 20120817143459.GB3462@x1.osrc.amd.com
X220 - Confirmed by Richard Hartmann
X220i - 4F406274.7070807@gmail.com
X220t - 4F489F5B.9040705@cs.tu-berlin.de
X230 - CAKx4u7kqvVH0-gstomsiVYdGC0i6=bGxzaQ8sq9gbg76TGme3w@mail.gmail.com
T420 - 9c848ee30b006737d0534d906bab0cf6@niklaas-baudet.net
T420s - 20120608080824.GS25324@hexapodia.org
W520 - 20121008181050.GF2549@ericlaptop.home.christensenplace.us

Lid closed/openend:

X220 - 4F4124DF.5030205@gmail.com
Could not be confirmed by author

Signed-off-by: Richard Hartmann <richih.mailinglist@gmail.com>
---
drivers/platform/x86/thinkpad_acpi.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 75dd651..2645084 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/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 +3628,13 @@ static bool hotkey_notify_6xxx(const u32 hkey,
"a sensor reports something is extremely hot!\n");
/* recommended action: immediate sleep/hibernate */
break;
+ case TP_HKEY_EV_AC_CHANGED:
+ pr_info("AC status has changed\n");
+ /* X120e, x121e, X220, X220i, X220t, X230, T420, T420s, W520:
+ * AC status changed; can be triggered by plugging or
+ * unplugging AC adapter, docking or undocking, or closing
+ * or opening the lid. */
+ break;

case TP_HKEY_EV_KEY_NUMLOCK:
case TP_HKEY_EV_KEY_FN:
--
1.7.10.4


\
 
 \ /
  Last update: 2012-12-26 19:41    [W:3.447 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site