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path: root/drivers/platform/x86/thinkpad_acpi.c
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Diffstat (limited to 'drivers/platform/x86/thinkpad_acpi.c')
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c72
1 files changed, 58 insertions, 14 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 77f6e70..26c5b11 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -184,6 +184,10 @@ enum tpacpi_hkey_event_t {
/* Misc bay events */
TP_HKEY_EV_OPTDRV_EJ = 0x3006, /* opt. drive tray ejected */
+ TP_HKEY_EV_HOTPLUG_DOCK = 0x4010, /* docked into hotplug dock
+ or port replicator */
+ TP_HKEY_EV_HOTPLUG_UNDOCK = 0x4011, /* undocked from hotplug
+ dock or port replicator */
/* User-interface events */
TP_HKEY_EV_LID_CLOSE = 0x5001, /* laptop lid closed */
@@ -194,6 +198,10 @@ enum tpacpi_hkey_event_t {
TP_HKEY_EV_PEN_REMOVED = 0x500c, /* tablet pen removed */
TP_HKEY_EV_BRGHT_CHANGED = 0x5010, /* backlight control event */
+ /* Key-related user-interface events */
+ TP_HKEY_EV_KEY_NUMLOCK = 0x6000, /* NumLock key pressed */
+ TP_HKEY_EV_KEY_FN = 0x6005, /* Fn key pressed? E420 */
+
/* Thermal events */
TP_HKEY_EV_ALARM_BAT_HOT = 0x6011, /* battery too hot */
TP_HKEY_EV_ALARM_BAT_XHOT = 0x6012, /* battery critically hot */
@@ -201,6 +209,10 @@ 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 */
+
/* Misc */
TP_HKEY_EV_RFKILL_CHANGED = 0x7000, /* rfkill switch changed */
};
@@ -3513,6 +3525,34 @@ static bool hotkey_notify_wakeup(const u32 hkey,
return true;
}
+static bool hotkey_notify_dockevent(const u32 hkey,
+ bool *send_acpi_ev,
+ bool *ignore_acpi_ev)
+{
+ /* 0x4000-0x4FFF: dock-related events */
+ *send_acpi_ev = true;
+ *ignore_acpi_ev = false;
+
+ switch (hkey) {
+ case TP_HKEY_EV_UNDOCK_ACK:
+ /* ACPI undock operation completed after wakeup */
+ hotkey_autosleep_ack = 1;
+ pr_info("undocked\n");
+ hotkey_wakeup_hotunplug_complete_notify_change();
+ return true;
+
+ case TP_HKEY_EV_HOTPLUG_DOCK: /* docked to port replicator */
+ pr_info("docked into hotplug port replicator\n");
+ return true;
+ case TP_HKEY_EV_HOTPLUG_UNDOCK: /* undocked from port replicator */
+ pr_info("undocked from hotplug port replicator\n");
+ return true;
+
+ default:
+ return false;
+ }
+}
+
static bool hotkey_notify_usrevent(const u32 hkey,
bool *send_acpi_ev,
bool *ignore_acpi_ev)
@@ -3547,13 +3587,13 @@ static bool hotkey_notify_usrevent(const u32 hkey,
static void thermal_dump_all_sensors(void);
-static bool hotkey_notify_thermal(const u32 hkey,
+static bool hotkey_notify_6xxx(const u32 hkey,
bool *send_acpi_ev,
bool *ignore_acpi_ev)
{
bool known = true;
- /* 0x6000-0x6FFF: thermal alarms */
+ /* 0x6000-0x6FFF: thermal alarms/notices and keyboard events */
*send_acpi_ev = true;
*ignore_acpi_ev = false;
@@ -3582,8 +3622,17 @@ static bool hotkey_notify_thermal(const u32 hkey,
"a sensor reports something is extremely hot!\n");
/* recommended action: immediate sleep/hibernate */
break;
+
+ case TP_HKEY_EV_KEY_NUMLOCK:
+ case TP_HKEY_EV_KEY_FN:
+ /* key press events, we just ignore them as long as the EC
+ * is still reporting them in the normal keyboard stream */
+ *send_acpi_ev = false;
+ *ignore_acpi_ev = true;
+ return true;
+
default:
- pr_alert("THERMAL ALERT: unknown thermal alarm received\n");
+ pr_warn("unknown possible thermal alarm or keyboard event received\n");
known = false;
}
@@ -3652,15 +3701,9 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
}
break;
case 4:
- /* 0x4000-0x4FFF: dock-related wakeups */
- if (hkey == TP_HKEY_EV_UNDOCK_ACK) {
- hotkey_autosleep_ack = 1;
- pr_info("undocked\n");
- hotkey_wakeup_hotunplug_complete_notify_change();
- known_ev = true;
- } else {
- known_ev = false;
- }
+ /* 0x4000-0x4FFF: dock-related events */
+ known_ev = hotkey_notify_dockevent(hkey, &send_acpi_ev,
+ &ignore_acpi_ev);
break;
case 5:
/* 0x5000-0x5FFF: human interface helpers */
@@ -3668,8 +3711,9 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
&ignore_acpi_ev);
break;
case 6:
- /* 0x6000-0x6FFF: thermal alarms */
- known_ev = hotkey_notify_thermal(hkey, &send_acpi_ev,
+ /* 0x6000-0x6FFF: thermal alarms/notices and
+ * keyboard events */
+ known_ev = hotkey_notify_6xxx(hkey, &send_acpi_ev,
&ignore_acpi_ev);
break;
case 7: