Pull thinkpad into release branch
authorLen Brown <len.brown@intel.com>
Wed, 10 Oct 2007 04:28:04 +0000 (00:28 -0400)
committerLen Brown <len.brown@intel.com>
Wed, 10 Oct 2007 04:28:04 +0000 (00:28 -0400)
Documentation/thinkpad-acpi.txt
drivers/misc/thinkpad_acpi.c
drivers/misc/thinkpad_acpi.h

index 60953d6c919d065b850d8cedd3874cc27778404d..3b95bbacc77505d46c0b9154b632f654b0eedb66 100644 (file)
@@ -105,10 +105,15 @@ The version of thinkpad-acpi's sysfs interface is exported by the driver
 as a driver attribute (see below).
 
 Sysfs driver attributes are on the driver's sysfs attribute space,
-for 2.6.20 this is /sys/bus/platform/drivers/thinkpad_acpi/.
+for 2.6.23 this is /sys/bus/platform/drivers/thinkpad_acpi/ and
+/sys/bus/platform/drivers/thinkpad_hwmon/
 
-Sysfs device attributes are on the driver's sysfs attribute space,
-for 2.6.20 this is /sys/devices/platform/thinkpad_acpi/.
+Sysfs device attributes are on the thinkpad_acpi device sysfs attribute
+space, for 2.6.23 this is /sys/devices/platform/thinkpad_acpi/.
+
+Sysfs device attributes for the sensors and fan are on the
+thinkpad_hwmon device's sysfs attribute space, but you should locate it
+looking for a hwmon device with the name attribute of "thinkpad".
 
 Driver version
 --------------
@@ -766,7 +771,7 @@ Temperature sensors
 -------------------
 
 procfs: /proc/acpi/ibm/thermal
-sysfs device attributes: (hwmon) temp*_input
+sysfs device attributes: (hwmon "thinkpad") temp*_input
 
 Most ThinkPads include six or more separate temperature sensors but only
 expose the CPU temperature through the standard ACPI methods.  This
@@ -989,7 +994,9 @@ Fan control and monitoring: fan speed, fan enable/disable
 ---------------------------------------------------------
 
 procfs: /proc/acpi/ibm/fan
-sysfs device attributes: (hwmon) fan_input, pwm1, pwm1_enable
+sysfs device attributes: (hwmon "thinkpad") fan1_input, pwm1,
+                         pwm1_enable
+sysfs hwmon driver attributes: fan_watchdog
 
 NOTE NOTE NOTE: fan control operations are disabled by default for
 safety reasons.  To enable them, the module parameter "fan_control=1"
@@ -1131,7 +1138,7 @@ hwmon device attribute fan1_input:
        which can take up to two minutes.  May return rubbish on older
        ThinkPads.
 
-driver attribute fan_watchdog:
+hwmon driver attribute fan_watchdog:
        Fan safety watchdog timer interval, in seconds.  Minimum is
        1 second, maximum is 120 seconds.  0 disables the watchdog.
 
@@ -1233,3 +1240,9 @@ Sysfs interface changelog:
                layer, the radio switch generates input event EV_RADIO,
                and the driver enables hot key handling by default in
                the firmware.
+
+0x020000:      ABI fix: added a separate hwmon platform device and
+               driver, which must be located by name (thinkpad)
+               and the hwmon class for libsensors4 (lm-sensors 3)
+               compatibility.  Moved all hwmon attributes to this
+               new platform device.
index 0222bbaf7b76f371c9816125da06c101cac89cd5..37891a8c030a229cb18deba84038f4c55af966d7 100644 (file)
@@ -22,7 +22,7 @@
  */
 
 #define IBM_VERSION "0.16"
-#define TPACPI_SYSFS_VERSION 0x010000
+#define TPACPI_SYSFS_VERSION 0x020000
 
 /*
  *  Changelog:
@@ -117,6 +117,12 @@ IBM_BIOS_MODULE_ALIAS("K[U,X-Z]");
 
 #define __unused __attribute__ ((unused))
 
+static enum {
+       TPACPI_LIFE_INIT = 0,
+       TPACPI_LIFE_RUNNING,
+       TPACPI_LIFE_EXITING,
+} tpacpi_lifecycle;
+
 /****************************************************************************
  ****************************************************************************
  *
@@ -342,6 +348,9 @@ static void dispatch_acpi_notify(acpi_handle handle, u32 event, void *data)
 {
        struct ibm_struct *ibm = data;
 
+       if (tpacpi_lifecycle != TPACPI_LIFE_RUNNING)
+               return;
+
        if (!ibm || !ibm->acpi || !ibm->acpi->notify)
                return;
 
@@ -517,8 +526,10 @@ static char *next_cmd(char **cmds)
  ****************************************************************************/
 
 static struct platform_device *tpacpi_pdev;
+static struct platform_device *tpacpi_sensors_pdev;
 static struct class_device *tpacpi_hwmon;
 static struct input_dev *tpacpi_inputdev;
+static struct mutex tpacpi_inputdev_send_mutex;
 
 
 static int tpacpi_resume_handler(struct platform_device *pdev)
@@ -543,6 +554,12 @@ static struct platform_driver tpacpi_pdriver = {
        .resume = tpacpi_resume_handler,
 };
 
+static struct platform_driver tpacpi_hwmon_pdriver = {
+       .driver = {
+               .name = IBM_HWMON_DRVR_NAME,
+               .owner = THIS_MODULE,
+       },
+};
 
 /*************************************************************************
  * thinkpad-acpi driver attributes
@@ -692,6 +709,8 @@ static int parse_strtoul(const char *buf,
 {
        char *endp;
 
+       while (*buf && isspace(*buf))
+               buf++;
        *value = simple_strtoul(buf, &endp, 0);
        while (*endp && isspace(*endp))
                endp++;
@@ -989,6 +1008,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
 
        int res, i;
        int status;
+       int hkeyv;
 
        vdbg_printk(TPACPI_DBG_INIT, "initializing hotkey subdriver\n");
 
@@ -1014,18 +1034,35 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
                        return res;
 
                /* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
-                  A30, R30, R31, T20-22, X20-21, X22-24 */
-               tp_features.hotkey_mask =
-                       acpi_evalf(hkey_handle, NULL, "DHKN", "qv");
+                  A30, R30, R31, T20-22, X20-21, X22-24.  Detected by checking
+                  for HKEY interface version 0x100 */
+               if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) {
+                       if ((hkeyv >> 8) != 1) {
+                               printk(IBM_ERR "unknown version of the "
+                                      "HKEY interface: 0x%x\n", hkeyv);
+                               printk(IBM_ERR "please report this to %s\n",
+                                      IBM_MAIL);
+                       } else {
+                               /*
+                                * MHKV 0x100 in A31, R40, R40e,
+                                * T4x, X31, and later
+                                * */
+                               tp_features.hotkey_mask = 1;
+                       }
+               }
 
                vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n",
                        str_supported(tp_features.hotkey_mask));
 
                if (tp_features.hotkey_mask) {
-                       /* MHKA available in A31, R40, R40e, T4x, X31, and later */
                        if (!acpi_evalf(hkey_handle, &hotkey_all_mask,
-                                       "MHKA", "qd"))
+                                       "MHKA", "qd")) {
+                               printk(IBM_ERR
+                                      "missing MHKA handler, "
+                                      "please report this to %s\n",
+                                      IBM_MAIL);
                                hotkey_all_mask = 0x080cU; /* FN+F12, FN+F4, FN+F3 */
+                       }
                }
 
                res = hotkey_get(&hotkey_orig_status, &hotkey_orig_mask);
@@ -1131,6 +1168,8 @@ static void tpacpi_input_send_key(unsigned int scancode,
                                  unsigned int keycode)
 {
        if (keycode != KEY_RESERVED) {
+               mutex_lock(&tpacpi_inputdev_send_mutex);
+
                input_report_key(tpacpi_inputdev, keycode, 1);
                if (keycode == KEY_UNKNOWN)
                        input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN,
@@ -1142,6 +1181,8 @@ static void tpacpi_input_send_key(unsigned int scancode,
                        input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN,
                                    scancode);
                input_sync(tpacpi_inputdev);
+
+               mutex_unlock(&tpacpi_inputdev_send_mutex);
        }
 }
 
@@ -1149,18 +1190,47 @@ static void tpacpi_input_send_radiosw(void)
 {
        int wlsw;
 
-       if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw))
+       mutex_lock(&tpacpi_inputdev_send_mutex);
+
+       if (tp_features.hotkey_wlsw && !hotkey_get_wlsw(&wlsw)) {
                input_report_switch(tpacpi_inputdev,
                                    SW_RADIO, !!wlsw);
+               input_sync(tpacpi_inputdev);
+       }
+
+       mutex_unlock(&tpacpi_inputdev_send_mutex);
 }
 
 static void hotkey_notify(struct ibm_struct *ibm, u32 event)
 {
        u32 hkey;
        unsigned int keycode, scancode;
-       int send_acpi_ev = 0;
+       int send_acpi_ev;
+       int ignore_acpi_ev;
+
+       if (event != 0x80) {
+               printk(IBM_ERR "unknown HKEY notification event %d\n", event);
+               /* forward it to userspace, maybe it knows how to handle it */
+               acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
+                                               ibm->acpi->device->dev.bus_id,
+                                               event, 0);
+               return;
+       }
+
+       while (1) {
+               if (!acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) {
+                       printk(IBM_ERR "failed to retrieve HKEY event\n");
+                       return;
+               }
+
+               if (hkey == 0) {
+                       /* queue empty */
+                       return;
+               }
+
+               send_acpi_ev = 0;
+               ignore_acpi_ev = 0;
 
-       if (event == 0x80 && acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) {
                switch (hkey >> 12) {
                case 1:
                        /* 0x1000-0x1FFF: key presses */
@@ -1182,9 +1252,11 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
                         * eat up known LID events */
                        if (hkey != 0x5001 && hkey != 0x5002) {
                                printk(IBM_ERR
-                                       "unknown LID-related hotkey event: 0x%04x\n",
-                                       hkey);
+                                      "unknown LID-related HKEY event: 0x%04x\n",
+                                      hkey);
                                send_acpi_ev = 1;
+                       } else {
+                               ignore_acpi_ev = 1;
                        }
                        break;
                case 7:
@@ -1202,21 +1274,18 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
                        printk(IBM_NOTICE "unhandled HKEY event 0x%04x\n", hkey);
                        send_acpi_ev = 1;
                }
-       } else {
-               printk(IBM_ERR "unknown hotkey notification event %d\n", event);
-               hkey = 0;
-               send_acpi_ev = 1;
-       }
 
-       /* Legacy events */
-       if (send_acpi_ev || hotkey_report_mode < 2)
-               acpi_bus_generate_proc_event(ibm->acpi->device, event, hkey);
+               /* Legacy events */
+               if (!ignore_acpi_ev && (send_acpi_ev || hotkey_report_mode < 2)) {
+                       acpi_bus_generate_proc_event(ibm->acpi->device, event, hkey);
+               }
 
-       /* netlink events */
-       if (send_acpi_ev) {
-               acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
-                                               ibm->acpi->device->dev.bus_id,
-                                               event, hkey);
+               /* netlink events */
+               if (!ignore_acpi_ev && send_acpi_ev) {
+                       acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
+                                                       ibm->acpi->device->dev.bus_id,
+                                                       event, hkey);
+               }
        }
 }
 
@@ -2812,7 +2881,7 @@ static int __init thermal_init(struct ibm_init_struct *iibm)
 
        switch(thermal_read_mode) {
        case TPACPI_THERMAL_TPEC_16:
-               res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+               res = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
                                &thermal_temp_input16_group);
                if (res)
                        return res;
@@ -2820,7 +2889,7 @@ static int __init thermal_init(struct ibm_init_struct *iibm)
        case TPACPI_THERMAL_TPEC_8:
        case TPACPI_THERMAL_ACPI_TMP07:
        case TPACPI_THERMAL_ACPI_UPDT:
-               res = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+               res = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
                                &thermal_temp_input8_group);
                if (res)
                        return res;
@@ -2837,13 +2906,13 @@ static void thermal_exit(void)
 {
        switch(thermal_read_mode) {
        case TPACPI_THERMAL_TPEC_16:
-               sysfs_remove_group(&tpacpi_pdev->dev.kobj,
+               sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj,
                                   &thermal_temp_input16_group);
                break;
        case TPACPI_THERMAL_TPEC_8:
        case TPACPI_THERMAL_ACPI_TMP07:
        case TPACPI_THERMAL_ACPI_UPDT:
-               sysfs_remove_group(&tpacpi_pdev->dev.kobj,
+               sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj,
                                   &thermal_temp_input16_group);
                break;
        case TPACPI_THERMAL_NONE:
@@ -3626,7 +3695,7 @@ static struct device_attribute dev_attr_fan_fan1_input =
        __ATTR(fan1_input, S_IRUGO,
                fan_fan1_input_show, NULL);
 
-/* sysfs fan fan_watchdog (driver) ------------------------------------- */
+/* sysfs fan fan_watchdog (hwmon driver) ------------------------------- */
 static ssize_t fan_fan_watchdog_show(struct device_driver *drv,
                                     char *buf)
 {
@@ -3768,10 +3837,10 @@ static int __init fan_init(struct ibm_init_struct *iibm)
 
        if (fan_status_access_mode != TPACPI_FAN_NONE ||
            fan_control_access_mode != TPACPI_FAN_WR_NONE) {
-               rc = sysfs_create_group(&tpacpi_pdev->dev.kobj,
+               rc = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
                                         &fan_attr_group);
                if (!(rc < 0))
-                       rc = driver_create_file(&tpacpi_pdriver.driver,
+                       rc = driver_create_file(&tpacpi_hwmon_pdriver.driver,
                                        &driver_attr_fan_watchdog);
                if (rc < 0)
                        return rc;
@@ -3854,8 +3923,8 @@ static void fan_exit(void)
        vdbg_printk(TPACPI_DBG_EXIT, "cancelling any pending fan watchdog tasks\n");
 
        /* FIXME: can we really do this unconditionally? */
-       sysfs_remove_group(&tpacpi_pdev->dev.kobj, &fan_attr_group);
-       driver_remove_file(&tpacpi_pdriver.driver, &driver_attr_fan_watchdog);
+       sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj, &fan_attr_group);
+       driver_remove_file(&tpacpi_hwmon_pdriver.driver, &driver_attr_fan_watchdog);
 
        cancel_delayed_work(&fan_watchdog_task);
        flush_scheduled_work();
@@ -3888,6 +3957,9 @@ static void fan_watchdog_fire(struct work_struct *ignored)
 {
        int rc;
 
+       if (tpacpi_lifecycle != TPACPI_LIFE_RUNNING)
+               return;
+
        printk(IBM_NOTICE "fan watchdog: enabling fan\n");
        rc = fan_set_enable();
        if (rc < 0) {
@@ -3908,7 +3980,8 @@ static void fan_watchdog_reset(void)
        if (fan_watchdog_active)
                cancel_delayed_work(&fan_watchdog_task);
 
-       if (fan_watchdog_maxinterval > 0) {
+       if (fan_watchdog_maxinterval > 0 &&
+           tpacpi_lifecycle != TPACPI_LIFE_EXITING) {
                fan_watchdog_active = 1;
                if (!schedule_delayed_work(&fan_watchdog_task,
                                msecs_to_jiffies(fan_watchdog_maxinterval
@@ -4302,6 +4375,19 @@ static struct ibm_struct fan_driver_data = {
  ****************************************************************************
  ****************************************************************************/
 
+/* sysfs name ---------------------------------------------------------- */
+static ssize_t thinkpad_acpi_pdev_name_show(struct device *dev,
+                          struct device_attribute *attr,
+                          char *buf)
+{
+       return snprintf(buf, PAGE_SIZE, "%s\n", IBM_NAME);
+}
+
+static struct device_attribute dev_attr_thinkpad_acpi_pdev_name =
+       __ATTR(name, S_IRUGO, thinkpad_acpi_pdev_name_show, NULL);
+
+/* --------------------------------------------------------------------- */
+
 /* /proc support */
 static struct proc_dir_entry *proc_dir;
 
@@ -4674,6 +4760,8 @@ static int __init thinkpad_acpi_module_init(void)
 {
        int ret, i;
 
+       tpacpi_lifecycle = TPACPI_LIFE_INIT;
+
        /* Parameter checking */
        if (hotkey_report_mode > 2)
                return -EINVAL;
@@ -4702,19 +4790,31 @@ static int __init thinkpad_acpi_module_init(void)
 
        ret = platform_driver_register(&tpacpi_pdriver);
        if (ret) {
-               printk(IBM_ERR "unable to register platform driver\n");
+               printk(IBM_ERR "unable to register main platform driver\n");
                thinkpad_acpi_module_exit();
                return ret;
        }
        tp_features.platform_drv_registered = 1;
 
+       ret = platform_driver_register(&tpacpi_hwmon_pdriver);
+       if (ret) {
+               printk(IBM_ERR "unable to register hwmon platform driver\n");
+               thinkpad_acpi_module_exit();
+               return ret;
+       }
+       tp_features.sensors_pdrv_registered = 1;
+
        ret = tpacpi_create_driver_attributes(&tpacpi_pdriver.driver);
+       if (!ret) {
+               tp_features.platform_drv_attrs_registered = 1;
+               ret = tpacpi_create_driver_attributes(&tpacpi_hwmon_pdriver.driver);
+       }
        if (ret) {
                printk(IBM_ERR "unable to create sysfs driver attributes\n");
                thinkpad_acpi_module_exit();
                return ret;
        }
-       tp_features.platform_drv_attrs_registered = 1;
+       tp_features.sensors_pdrv_attrs_registered = 1;
 
 
        /* Device initialization */
@@ -4727,7 +4827,26 @@ static int __init thinkpad_acpi_module_init(void)
                thinkpad_acpi_module_exit();
                return ret;
        }
-       tpacpi_hwmon = hwmon_device_register(&tpacpi_pdev->dev);
+       tpacpi_sensors_pdev = platform_device_register_simple(
+                                                       IBM_HWMON_DRVR_NAME,
+                                                       -1, NULL, 0);
+       if (IS_ERR(tpacpi_sensors_pdev)) {
+               ret = PTR_ERR(tpacpi_sensors_pdev);
+               tpacpi_sensors_pdev = NULL;
+               printk(IBM_ERR "unable to register hwmon platform device\n");
+               thinkpad_acpi_module_exit();
+               return ret;
+       }
+       ret = device_create_file(&tpacpi_sensors_pdev->dev,
+                                &dev_attr_thinkpad_acpi_pdev_name);
+       if (ret) {
+               printk(IBM_ERR
+                       "unable to create sysfs hwmon device attributes\n");
+               thinkpad_acpi_module_exit();
+               return ret;
+       }
+       tp_features.sensors_pdev_attrs_registered = 1;
+       tpacpi_hwmon = hwmon_device_register(&tpacpi_sensors_pdev->dev);
        if (IS_ERR(tpacpi_hwmon)) {
                ret = PTR_ERR(tpacpi_hwmon);
                tpacpi_hwmon = NULL;
@@ -4735,6 +4854,7 @@ static int __init thinkpad_acpi_module_init(void)
                thinkpad_acpi_module_exit();
                return ret;
        }
+       mutex_init(&tpacpi_inputdev_send_mutex);
        tpacpi_inputdev = input_allocate_device();
        if (!tpacpi_inputdev) {
                printk(IBM_ERR "unable to allocate input device\n");
@@ -4769,6 +4889,7 @@ static int __init thinkpad_acpi_module_init(void)
                tp_features.input_device_registered = 1;
        }
 
+       tpacpi_lifecycle = TPACPI_LIFE_RUNNING;
        return 0;
 }
 
@@ -4776,6 +4897,8 @@ static void thinkpad_acpi_module_exit(void)
 {
        struct ibm_struct *ibm, *itmp;
 
+       tpacpi_lifecycle = TPACPI_LIFE_EXITING;
+
        list_for_each_entry_safe_reverse(ibm, itmp,
                                         &tpacpi_all_drivers,
                                         all_drivers) {
@@ -4794,12 +4917,22 @@ static void thinkpad_acpi_module_exit(void)
        if (tpacpi_hwmon)
                hwmon_device_unregister(tpacpi_hwmon);
 
+       if (tp_features.sensors_pdev_attrs_registered)
+               device_remove_file(&tpacpi_sensors_pdev->dev,
+                                  &dev_attr_thinkpad_acpi_pdev_name);
+       if (tpacpi_sensors_pdev)
+               platform_device_unregister(tpacpi_sensors_pdev);
        if (tpacpi_pdev)
                platform_device_unregister(tpacpi_pdev);
 
+       if (tp_features.sensors_pdrv_attrs_registered)
+               tpacpi_remove_driver_attributes(&tpacpi_hwmon_pdriver.driver);
        if (tp_features.platform_drv_attrs_registered)
                tpacpi_remove_driver_attributes(&tpacpi_pdriver.driver);
 
+       if (tp_features.sensors_pdrv_registered)
+               platform_driver_unregister(&tpacpi_hwmon_pdriver);
+
        if (tp_features.platform_drv_registered)
                platform_driver_unregister(&tpacpi_pdriver);
 
index 082a1cbc16c0ec822be2954a7b1ea3be485a09fa..c5fdd688cc990c3752e451df5de403797c4f4103 100644 (file)
 
 #define IBM_NAME "thinkpad"
 #define IBM_DESC "ThinkPad ACPI Extras"
-#define IBM_FILE "thinkpad_acpi"
+#define IBM_FILE IBM_NAME "_acpi"
 #define IBM_URL "http://ibm-acpi.sf.net/"
 #define IBM_MAIL "ibm-acpi-devel@lists.sourceforge.net"
 
 #define IBM_PROC_DIR "ibm"
 #define IBM_ACPI_EVENT_PREFIX "ibm"
 #define IBM_DRVR_NAME IBM_FILE
+#define IBM_HWMON_DRVR_NAME IBM_NAME "_hwmon"
 
 #define IBM_LOG IBM_FILE ": "
 #define IBM_ERR           KERN_ERR    IBM_LOG
@@ -171,6 +172,7 @@ static int parse_strtoul(const char *buf, unsigned long max,
 
 /* Device model */
 static struct platform_device *tpacpi_pdev;
+static struct platform_device *tpacpi_sensors_pdev;
 static struct class_device *tpacpi_hwmon;
 static struct platform_driver tpacpi_pdriver;
 static struct input_dev *tpacpi_inputdev;
@@ -233,22 +235,25 @@ struct ibm_init_struct {
 
 static struct {
 #ifdef CONFIG_THINKPAD_ACPI_BAY
-       u16 bay_status:1;
-       u16 bay_eject:1;
-       u16 bay_status2:1;
-       u16 bay_eject2:1;
+       u32 bay_status:1;
+       u32 bay_eject:1;
+       u32 bay_status2:1;
+       u32 bay_eject2:1;
 #endif
-       u16 bluetooth:1;
-       u16 hotkey:1;
-       u16 hotkey_mask:1;
-       u16 hotkey_wlsw:1;
-       u16 light:1;
-       u16 light_status:1;
-       u16 wan:1;
-       u16 fan_ctrl_status_undef:1;
-       u16 input_device_registered:1;
-       u16 platform_drv_registered:1;
-       u16 platform_drv_attrs_registered:1;
+       u32 bluetooth:1;
+       u32 hotkey:1;
+       u32 hotkey_mask:1;
+       u32 hotkey_wlsw:1;
+       u32 light:1;
+       u32 light_status:1;
+       u32 wan:1;
+       u32 fan_ctrl_status_undef:1;
+       u32 input_device_registered:1;
+       u32 platform_drv_registered:1;
+       u32 platform_drv_attrs_registered:1;
+       u32 sensors_pdrv_registered:1;
+       u32 sensors_pdrv_attrs_registered:1;
+       u32 sensors_pdev_attrs_registered:1;
 } tp_features;
 
 struct thinkpad_id_data {