thinkpad-acpi: name event constants
Reduce the number of magic numbers in the driver... note that they were all explained and documented already. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Henrique de Moraes Holschuh
Len Brown
parent
8b468c0c85
commit
67bcae6ee8
@ -145,6 +145,51 @@ enum {
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TP_ACPI_WGSV_STATE_UWBPWR = 0x0020, /* UWB radio enabled */
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};
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/* HKEY events */
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enum tpacpi_hkey_event_t {
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/* Hotkey-related */
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TP_HKEY_EV_HOTKEY_BASE = 0x1001, /* first hotkey (FN+F1) */
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TP_HKEY_EV_BRGHT_UP = 0x1010, /* Brightness up */
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TP_HKEY_EV_BRGHT_DOWN = 0x1011, /* Brightness down */
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TP_HKEY_EV_VOL_UP = 0x1015, /* Volume up or unmute */
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TP_HKEY_EV_VOL_DOWN = 0x1016, /* Volume down or unmute */
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TP_HKEY_EV_VOL_MUTE = 0x1017, /* Mixer output mute */
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/* Reasons for waking up from S3/S4 */
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TP_HKEY_EV_WKUP_S3_UNDOCK = 0x2304, /* undock requested, S3 */
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TP_HKEY_EV_WKUP_S4_UNDOCK = 0x2404, /* undock requested, S4 */
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TP_HKEY_EV_WKUP_S3_BAYEJ = 0x2305, /* bay ejection req, S3 */
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TP_HKEY_EV_WKUP_S4_BAYEJ = 0x2405, /* bay ejection req, S4 */
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TP_HKEY_EV_WKUP_S3_BATLOW = 0x2313, /* battery empty, S3 */
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TP_HKEY_EV_WKUP_S4_BATLOW = 0x2413, /* battery empty, S4 */
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/* Auto-sleep after eject request */
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TP_HKEY_EV_BAYEJ_ACK = 0x3003, /* bay ejection complete */
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TP_HKEY_EV_UNDOCK_ACK = 0x4003, /* undock complete */
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/* Misc bay events */
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TP_HKEY_EV_OPTDRV_EJ = 0x3006, /* opt. drive tray ejected */
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/* User-interface events */
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TP_HKEY_EV_LID_CLOSE = 0x5001, /* laptop lid closed */
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TP_HKEY_EV_LID_OPEN = 0x5002, /* laptop lid opened */
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TP_HKEY_EV_TABLET_TABLET = 0x5009, /* tablet swivel up */
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TP_HKEY_EV_TABLET_NOTEBOOK = 0x500a, /* tablet swivel down */
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TP_HKEY_EV_PEN_INSERTED = 0x500b, /* tablet pen inserted */
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TP_HKEY_EV_PEN_REMOVED = 0x500c, /* tablet pen removed */
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TP_HKEY_EV_BRGHT_CHANGED = 0x5010, /* backlight control event */
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/* Thermal events */
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TP_HKEY_EV_ALARM_BAT_HOT = 0x6011, /* battery too hot */
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TP_HKEY_EV_ALARM_BAT_XHOT = 0x6012, /* battery critically hot */
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TP_HKEY_EV_ALARM_SENSOR_HOT = 0x6021, /* sensor too hot */
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TP_HKEY_EV_ALARM_SENSOR_XHOT = 0x6022, /* sensor critically hot */
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TP_HKEY_EV_THM_TABLE_CHANGED = 0x6030, /* thermal table changed */
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/* Misc */
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TP_HKEY_EV_RFKILL_CHANGED = 0x7000, /* rfkill switch changed */
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};
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/****************************************************************************
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* Main driver
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*/
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@ -2273,7 +2318,7 @@ static void tpacpi_hotkey_send_key(unsigned int scancode)
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tpacpi_input_send_key_masked(scancode);
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if (hotkey_report_mode < 2) {
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acpi_bus_generate_proc_event(ibm_hotkey_acpidriver.device,
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0x80, 0x1001 + scancode);
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0x80, TP_HKEY_EV_HOTKEY_BASE + scancode);
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}
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}
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@ -3420,20 +3465,20 @@ static bool hotkey_notify_wakeup(const u32 hkey,
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*ignore_acpi_ev = false;
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switch (hkey) {
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case 0x2304: /* suspend, undock */
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case 0x2404: /* hibernation, undock */
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case TP_HKEY_EV_WKUP_S3_UNDOCK: /* suspend, undock */
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case TP_HKEY_EV_WKUP_S4_UNDOCK: /* hibernation, undock */
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hotkey_wakeup_reason = TP_ACPI_WAKEUP_UNDOCK;
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*ignore_acpi_ev = true;
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break;
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case 0x2305: /* suspend, bay eject */
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case 0x2405: /* hibernation, bay eject */
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case TP_HKEY_EV_WKUP_S3_BAYEJ: /* suspend, bay eject */
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case TP_HKEY_EV_WKUP_S4_BAYEJ: /* hibernation, bay eject */
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hotkey_wakeup_reason = TP_ACPI_WAKEUP_BAYEJ;
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*ignore_acpi_ev = true;
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break;
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case 0x2313: /* Battery on critical low level (S3) */
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case 0x2413: /* Battery on critical low level (S4) */
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case TP_HKEY_EV_WKUP_S3_BATLOW: /* Battery on critical low level/S3 */
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case TP_HKEY_EV_WKUP_S4_BATLOW: /* Battery on critical low level/S4 */
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printk(TPACPI_ALERT
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"EMERGENCY WAKEUP: battery almost empty\n");
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/* how to auto-heal: */
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@ -3463,20 +3508,20 @@ static bool hotkey_notify_usrevent(const u32 hkey,
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*ignore_acpi_ev = false;
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switch (hkey) {
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case 0x500b: /* X61t: tablet pen inserted into bay */
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case 0x500c: /* X61t: tablet pen removed from bay */
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case TP_HKEY_EV_PEN_INSERTED: /* X61t: tablet pen inserted into bay */
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case TP_HKEY_EV_PEN_REMOVED: /* X61t: tablet pen removed from bay */
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return true;
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case 0x5009: /* X41t-X61t: swivel up (tablet mode) */
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case 0x500a: /* X41t-X61t: swivel down (normal mode) */
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case TP_HKEY_EV_TABLET_TABLET: /* X41t-X61t: tablet mode */
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case TP_HKEY_EV_TABLET_NOTEBOOK: /* X41t-X61t: normal mode */
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tpacpi_input_send_tabletsw();
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hotkey_tablet_mode_notify_change();
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*send_acpi_ev = false;
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return true;
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case 0x5001: /* Lid close */
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case 0x5002: /* Lid open */
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case 0x5010: /* brightness control */
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case TP_HKEY_EV_LID_CLOSE: /* Lid closed */
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case TP_HKEY_EV_LID_OPEN: /* Lid opened */
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case TP_HKEY_EV_BRGHT_CHANGED: /* brightness changed */
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/* do not propagate these events */
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*ignore_acpi_ev = true;
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return true;
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@ -3495,30 +3540,30 @@ static bool hotkey_notify_thermal(const u32 hkey,
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*ignore_acpi_ev = false;
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switch (hkey) {
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case 0x6011:
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case TP_HKEY_EV_ALARM_BAT_HOT:
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printk(TPACPI_CRIT
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"THERMAL ALARM: battery is too hot!\n");
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/* recommended action: warn user through gui */
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return true;
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case 0x6012:
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case TP_HKEY_EV_ALARM_BAT_XHOT:
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printk(TPACPI_ALERT
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"THERMAL EMERGENCY: battery is extremely hot!\n");
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/* recommended action: immediate sleep/hibernate */
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return true;
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case 0x6021:
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case TP_HKEY_EV_ALARM_SENSOR_HOT:
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printk(TPACPI_CRIT
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"THERMAL ALARM: "
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"a sensor reports something is too hot!\n");
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/* recommended action: warn user through gui, that */
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/* some internal component is too hot */
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return true;
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case 0x6022:
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case TP_HKEY_EV_ALARM_SENSOR_XHOT:
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printk(TPACPI_ALERT
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"THERMAL EMERGENCY: "
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"a sensor reports something is extremely hot!\n");
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/* recommended action: immediate sleep/hibernate */
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return true;
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case 0x6030:
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case TP_HKEY_EV_THM_TABLE_CHANGED:
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printk(TPACPI_INFO
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"EC reports that Thermal Table has changed\n");
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/* recommended action: do nothing, we don't have
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@ -3576,7 +3621,7 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
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break;
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case 3:
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/* 0x3000-0x3FFF: bay-related wakeups */
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if (hkey == 0x3003) {
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if (hkey == TP_HKEY_EV_BAYEJ_ACK) {
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hotkey_autosleep_ack = 1;
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printk(TPACPI_INFO
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"bay ejected\n");
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@ -3588,7 +3633,7 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
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break;
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case 4:
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/* 0x4000-0x4FFF: dock-related wakeups */
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if (hkey == 0x4003) {
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if (hkey == TP_HKEY_EV_UNDOCK_ACK) {
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hotkey_autosleep_ack = 1;
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printk(TPACPI_INFO
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"undocked\n");
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@ -3610,7 +3655,8 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
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break;
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case 7:
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/* 0x7000-0x7FFF: misc */
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if (tp_features.hotkey_wlsw && hkey == 0x7000) {
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if (tp_features.hotkey_wlsw &&
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hkey == TP_HKEY_EV_RFKILL_CHANGED) {
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tpacpi_send_radiosw_update();
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send_acpi_ev = 0;
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known_ev = true;
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@ -7670,7 +7716,7 @@ static void tpacpi_driver_event(const unsigned int hkey_event)
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static void hotkey_driver_event(const unsigned int scancode)
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{
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tpacpi_driver_event(0x1001 + scancode);
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tpacpi_driver_event(TP_HKEY_EV_HOTKEY_BASE + scancode);
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}
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/* sysfs name ---------------------------------------------------------- */
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