On Sat, 29 Dec 2012, Richard Hartmann wrote:
> 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@lists.sourceforge.net of people who saw this
> event when either plugging or unplugging the AC adapter or
> docking or undocking their laptop.
>
> X120e - caaaujb5v9dhdbdxdvvhnjog4urzc1tgkqeb_zgpay7q8kzh...@mail.gmail.com
> X121e - 20120817143459.gb3...@x1.osrc.amd.com
> X220 - Confirmed by Richard Hartmann
> X220i - 4f406274.7070...@gmail.com
> X220t - 4f489f5b.9040...@cs.tu-berlin.de
> X230 - CAKx4u7kqvVH0-gstomsiVYdGC0i6=bgxzaq8sq9gbg76tgm...@mail.gmail.com
> T420 - 9c848ee30b006737d0534d906bab0...@niklaas-baudet.net
> T420s - 20120608080824.gs25...@hexapodia.org
> W520 - 20121008181050.gf2...@ericlaptop.home.christensenplace.us
>
> Signed-off-by: Richard Hartmann <richih.mailingl...@gmail.com>
Acked-by: Henrique de Moraes Holschuh <h...@hmh.eng.br>
> ---
> drivers/platform/x86/thinkpad_acpi.c | 11 ++++++++---
> 1 file changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/platform/x86/thinkpad_acpi.c
> b/drivers/platform/x86/thinkpad_acpi.c
> index 75dd651..15e2bba 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 +3628,12 @@ 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:
> + /* 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:
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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