ACPI: thinkpad-acpi: some checkpatch.pl fluff
authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Tue, 8 Jan 2008 15:02:49 +0000 (13:02 -0200)
committerLen Brown <len.brown@intel.com>
Sat, 2 Feb 2008 03:26:07 +0000 (22:26 -0500)
Fix some of the crap reported by checkpatch.pl.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
drivers/misc/thinkpad_acpi.c

index c92ae8d..dd6fa81 100644 (file)
@@ -150,7 +150,8 @@ enum {
 #define TPACPI_DBG_EXIT                0x0002
 #define dbg_printk(a_dbg_level, format, arg...) \
        do { if (dbg_level & a_dbg_level) \
-               printk(TPACPI_DEBUG "%s: " format, __func__ , ## arg); } while (0)
+               printk(TPACPI_DEBUG "%s: " format, __func__ , ## arg); \
+       } while (0)
 #ifdef CONFIG_THINKPAD_ACPI_DEBUG
 #define vdbg_printk(a_dbg_level, format, arg...) \
        dbg_printk(a_dbg_level, format, ## arg)
@@ -159,9 +160,9 @@ static const char *str_supported(int is_supported);
 #define vdbg_printk(a_dbg_level, format, arg...)
 #endif
 
-#define onoff(status,bit) ((status) & (1 << (bit)) ? "on" : "off")
-#define enabled(status,bit) ((status) & (1 << (bit)) ? "enabled" : "disabled")
-#define strlencmp(a,b) (strncmp((a), (b), strlen(b)))
+#define onoff(status, bit) ((status) & (1 << (bit)) ? "on" : "off")
+#define enabled(status, bit) ((status) & (1 << (bit)) ? "enabled" : "disabled")
+#define strlencmp(a, b) (strncmp((a), (b), strlen(b)))
 
 
 /****************************************************************************
@@ -288,7 +289,8 @@ TPACPI_HANDLE(ec, root, "\\_SB.PCI0.ISA.EC0",       /* 240, 240x */
 TPACPI_HANDLE(ecrd, ec, "ECRD");       /* 570 */
 TPACPI_HANDLE(ecwr, ec, "ECWR");       /* 570 */
 
-TPACPI_HANDLE(cmos, root, "\\UCMS",    /* R50, R50e, R50p, R51, T4x, X31, X40 */
+TPACPI_HANDLE(cmos, root, "\\UCMS",    /* R50, R50e, R50p, R51, */
+                                       /* T4x, X31, X40 */
           "\\CMOS",            /* A3x, G4x, R32, T23, T30, X22-24, X30 */
           "\\CMS",             /* R40, R40e */
           );                   /* all others */
@@ -382,7 +384,7 @@ static int acpi_evalf(acpi_handle handle,
        return success;
 }
 
-static int acpi_ec_read(int i, u8 * p)
+static int acpi_ec_read(int i, u8 *p)
 {
        int v;
 
@@ -436,8 +438,8 @@ static int issue_thinkpad_cmos_command(int cmos_cmd)
  * ACPI device model
  */
 
-#define TPACPI_ACPIHANDLE_INIT(object)                                         \
-       drv_acpi_handle_init(#object, &object##_handle, *object##_parent,       \
+#define TPACPI_ACPIHANDLE_INIT(object) \
+       drv_acpi_handle_init(#object, &object##_handle, *object##_parent, \
                object##_paths, ARRAY_SIZE(object##_paths), &object##_path)
 
 static void drv_acpi_handle_init(char *name,
@@ -508,11 +510,13 @@ static int __init setup_acpi_notify(struct ibm_struct *ibm)
                        ibm->acpi->type, dispatch_acpi_notify, ibm);
        if (ACPI_FAILURE(status)) {
                if (status == AE_ALREADY_EXISTS) {
-                       printk(TPACPI_NOTICE "another device driver is already handling %s events\n",
-                               ibm->name);
+                       printk(TPACPI_NOTICE
+                              "another device driver is already "
+                              "handling %s events\n", ibm->name);
                } else {
-                       printk(TPACPI_ERR "acpi_install_notify_handler(%s) failed: %d\n",
-                               ibm->name, status);
+                       printk(TPACPI_ERR
+                              "acpi_install_notify_handler(%s) failed: %d\n",
+                              ibm->name, status);
                }
                return -ENODEV;
        }
@@ -592,7 +596,7 @@ static int dispatch_procfs_read(char *page, char **start, off_t off,
 }
 
 static int dispatch_procfs_write(struct file *file,
-                       const char __user * userbuf,
+                       const char __user *userbuf,
                        unsigned long count, void *data)
 {
        struct ibm_struct *ibm = data;
@@ -698,7 +702,7 @@ struct attribute_set_obj {
 } __attribute__((packed));
 
 static struct attribute_set *create_attr_set(unsigned int max_members,
-                                               const charname)
+                                               const char *name)
 {
        struct attribute_set_obj *sobj;
 
@@ -722,7 +726,7 @@ static struct attribute_set *create_attr_set(unsigned int max_members,
        kfree(_set);
 
 /* not multi-threaded safe, use it in a single thread per set */
-static int add_to_attr_set(struct attribute_sets, struct attribute *attr)
+static int add_to_attr_set(struct attribute_set *s, struct attribute *attr)
 {
        if (!s || !attr)
                return -EINVAL;
@@ -736,7 +740,7 @@ static int add_to_attr_set(struct attribute_set* s, struct attribute *attr)
        return 0;
 }
 
-static int add_many_to_attr_set(struct attribute_sets,
+static int add_many_to_attr_set(struct attribute_set *s,
                        struct attribute **attr,
                        unsigned int count)
 {
@@ -751,7 +755,7 @@ static int add_many_to_attr_set(struct attribute_set* s,
        return 0;
 }
 
-static void delete_attr_set(struct attribute_sets, struct kobject *kobj)
+static void delete_attr_set(struct attribute_set *s, struct kobject *kobj)
 {
        sysfs_remove_group(kobj, &s->group);
        destroy_attr_set(s);
@@ -818,7 +822,8 @@ static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO,
 static ssize_t tpacpi_driver_version_show(struct device_driver *drv,
                                                char *buf)
 {
-       return snprintf(buf, PAGE_SIZE, "%s v%s\n", TPACPI_DESC, TPACPI_VERSION);
+       return snprintf(buf, PAGE_SIZE, "%s v%s\n",
+                       TPACPI_DESC, TPACPI_VERSION);
 }
 
 static DRIVER_ATTR(version, S_IRUGO,
@@ -826,7 +831,7 @@ static DRIVER_ATTR(version, S_IRUGO,
 
 /* --------------------------------------------------------------------- */
 
-static struct driver_attributetpacpi_driver_attributes[] = {
+static struct driver_attribute *tpacpi_driver_attributes[] = {
        &driver_attr_debug_level, &driver_attr_version,
        &driver_attr_interface_version,
 };
@@ -849,7 +854,7 @@ static void tpacpi_remove_driver_attributes(struct device_driver *drv)
 {
        int i;
 
-       for(i = 0; i < ARRAY_SIZE(tpacpi_driver_attributes); i++)
+       for (i = 0; i < ARRAY_SIZE(tpacpi_driver_attributes); i++)
                driver_remove_file(drv, tpacpi_driver_attributes[i]);
 }
 
@@ -1010,8 +1015,10 @@ static struct attribute_set *hotkey_dev_attributes;
 
 #ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
 #define HOTKEY_CONFIG_CRITICAL_START \
-       mutex_lock(&hotkey_thread_data_mutex); \
-       hotkey_config_change++;
+       do { \
+               mutex_lock(&hotkey_thread_data_mutex); \
+               hotkey_config_change++; \
+       } while (0);
 #define HOTKEY_CONFIG_CRITICAL_END \
        mutex_unlock(&hotkey_thread_data_mutex);
 #else
@@ -1205,15 +1212,18 @@ static void hotkey_read_nvram(struct tp_nvram_state *n, u32 m)
 }
 
 #define TPACPI_COMPARE_KEY(__scancode, __member) \
-       do { if ((mask & (1 << __scancode)) && oldn->__member != newn->__member) \
-               tpacpi_hotkey_send_key(__scancode); } while (0)
+       do { \
+               if ((mask & (1 << __scancode)) && \
+                   oldn->__member != newn->__member) \
+               tpacpi_hotkey_send_key(__scancode); \
+       } while (0)
 
 #define TPACPI_MAY_SEND_KEY(__scancode) \
        do { if (mask & (1 << __scancode)) \
                tpacpi_hotkey_send_key(__scancode); } while (0)
 
 static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn,
-                                           struct tp_nvram_state *newn,
+                                          struct tp_nvram_state *newn,
                                           u32 mask)
 {
        TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_THINKPAD, thinkpad_toggle);
@@ -1316,7 +1326,7 @@ static int hotkey_kthread(void *data)
                        hotkey_read_nvram(&s[si], mask);
                        if (likely(si != so)) {
                                hotkey_compare_and_issue_event(&s[so], &s[si],
-                                                              mask);
+                                                               mask);
                        }
                }
 
@@ -1352,10 +1362,12 @@ static void hotkey_poll_setup(int may_warn)
            (tpacpi_inputdev->users > 0 || hotkey_report_mode < 2)) {
                if (!tpacpi_hotkey_task) {
                        tpacpi_hotkey_task = kthread_run(hotkey_kthread,
-                                              NULL, TPACPI_FILE "d");
+                                                        NULL,
+                                                        TPACPI_FILE "d");
                        if (IS_ERR(tpacpi_hotkey_task)) {
                                tpacpi_hotkey_task = NULL;
-                               printk(TPACPI_ERR "could not create kernel thread "
+                               printk(TPACPI_ERR
+                                      "could not create kernel thread "
                                       "for hotkey polling\n");
                        }
                }
@@ -1363,7 +1375,8 @@ static void hotkey_poll_setup(int may_warn)
                hotkey_poll_stop_sync();
                if (may_warn &&
                    hotkey_source_mask != 0 && hotkey_poll_freq == 0) {
-                       printk(TPACPI_NOTICE "hot keys 0x%08x require polling, "
+                       printk(TPACPI_NOTICE
+                               "hot keys 0x%08x require polling, "
                                "which is currently disabled\n",
                                hotkey_source_mask);
                }
@@ -1829,7 +1842,8 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
                                       "missing MHKA handler, "
                                       "please report this to %s\n",
                                       TPACPI_MAIL);
-                               hotkey_all_mask = 0x080cU; /* FN+F12, FN+F4, FN+F3 */
+                               /* FN+F12, FN+F4, FN+F3 */
+                               hotkey_all_mask = 0x080cU;
                        }
                }
 
@@ -1882,7 +1896,8 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
                hotkey_keycode_map = kmalloc(TPACPI_HOTKEY_MAP_SIZE,
                                                GFP_KERNEL);
                if (!hotkey_keycode_map) {
-                       printk(TPACPI_ERR "failed to allocate memory for key map\n");
+                       printk(TPACPI_ERR
+                               "failed to allocate memory for key map\n");
                        return -ENOMEM;
                }
 
@@ -1953,11 +1968,14 @@ static void hotkey_exit(void)
 #endif
 
        if (tp_features.hotkey) {
-               dbg_printk(TPACPI_DBG_EXIT, "restoring original hot key mask\n");
+               dbg_printk(TPACPI_DBG_EXIT,
+                          "restoring original hot key mask\n");
                /* no short-circuit boolean operator below! */
                if ((hotkey_mask_set(hotkey_orig_mask) |
                     hotkey_status_set(hotkey_orig_status)) != 0)
-                       printk(TPACPI_ERR "failed to restore hot key mask to BIOS defaults\n");
+                       printk(TPACPI_ERR
+                              "failed to restore hot key mask "
+                              "to BIOS defaults\n");
        }
 
        if (hotkey_dev_attributes) {
@@ -1974,11 +1992,13 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
        int ignore_acpi_ev;
 
        if (event != 0x80) {
-               printk(TPACPI_ERR "unknown HKEY notification event %d\n", event);
+               printk(TPACPI_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);
+               acpi_bus_generate_netlink_event(
+                                       ibm->acpi->device->pnp.device_class,
+                                       ibm->acpi->device->dev.bus_id,
+                                       event, 0);
                return;
        }
 
@@ -2009,8 +2029,8 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
                                }
                        } else {
                                printk(TPACPI_ERR
-                                      "hotkey 0x%04x out of range for keyboard map\n",
-                                      hkey);
+                                      "hotkey 0x%04x out of range "
+                                      "for keyboard map\n", hkey);
                                send_acpi_ev = 1;
                        }
                        break;
@@ -2020,8 +2040,8 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
                         * eat up known LID events */
                        if (hkey != 0x5001 && hkey != 0x5002) {
                                printk(TPACPI_ERR
-                                      "unknown LID-related HKEY event: 0x%04x\n",
-                                      hkey);
+                                      "unknown LID-related HKEY event: "
+                                      "0x%04x\n", hkey);
                                send_acpi_ev = 1;
                        } else {
                                ignore_acpi_ev = 1;
@@ -2036,23 +2056,29 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
                        /* fallthrough to default */
                default:
                        /* case 2: dock-related */
-                       /*      0x2305 - T43 waking up due to bay lever eject while aslept */
+                       /*      0x2305 - T43 waking up due to bay lever
+                        *               eject while aslept */
                        /* case 3: ultra-bay related. maybe bay in dock? */
-                       /*      0x3003 - T43 after wake up by bay lever eject (0x2305) */
-                       printk(TPACPI_NOTICE "unhandled HKEY event 0x%04x\n", hkey);
+                       /*      0x3003 - T43 after wake up by bay lever
+                        *               eject (0x2305) */
+                       printk(TPACPI_NOTICE
+                              "unhandled HKEY event 0x%04x\n", hkey);
                        send_acpi_ev = 1;
                }
 
                /* Legacy events */
-               if (!ignore_acpi_ev && (send_acpi_ev || hotkey_report_mode < 2)) {
-                       acpi_bus_generate_proc_event(ibm->acpi->device, event, hkey);
+               if (!ignore_acpi_ev &&
+                   (send_acpi_ev || hotkey_report_mode < 2)) {
+                       acpi_bus_generate_proc_event(ibm->acpi->device,
+                                                    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);
+                       acpi_bus_generate_netlink_event(
+                                       ibm->acpi->device->pnp.device_class,
+                                       ibm->acpi->device->dev.bus_id,
+                                       event, hkey);
                }
        }
 }
@@ -2060,7 +2086,9 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
 static void hotkey_resume(void)
 {
        if (hotkey_mask_get())
-               printk(TPACPI_ERR "error while trying to read hot key mask from firmware\n");
+               printk(TPACPI_ERR
+                      "error while trying to read hot key mask "
+                      "from firmware\n");
        tpacpi_input_send_radiosw();
 #ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
        hotkey_poll_setup_safe(0);
@@ -2663,13 +2691,14 @@ static int video_outputsw_set(int status)
                res = acpi_evalf(vid_handle, NULL,
                                 "ASWT", "vdd", status * 0x100, 0);
                if (!autosw && video_autosw_set(autosw)) {
-                       printk(TPACPI_ERR "video auto-switch left enabled due to error\n");
+                       printk(TPACPI_ERR
+                              "video auto-switch left enabled due to error\n");
                        return -EIO;
                }
                break;
        case TPACPI_VIDEO_NEW:
                res = acpi_evalf(NULL, NULL, "\\VUPS", "vd", 0x80) &&
-                       acpi_evalf(NULL, NULL, "\\VSDS", "vdd", status, 1);
+                     acpi_evalf(NULL, NULL, "\\VSDS", "vdd", status, 1);
                break;
        default:
                return -ENOSYS;
@@ -2732,7 +2761,8 @@ static int video_outputsw_cycle(void)
                return -ENOSYS;
        }
        if (!autosw && video_autosw_set(autosw)) {
-               printk(TPACPI_ERR "video auto-switch left enabled due to error\n");
+               printk(TPACPI_ERR
+                      "video auto-switch left enabled due to error\n");
                return -EIO;
        }
 
@@ -3340,7 +3370,8 @@ enum {    /* For TPACPI_LED_OLD */
 static enum led_access_mode led_supported;
 
 TPACPI_HANDLE(led, ec, "SLED", /* 570 */
-          "SYSL",              /* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */
+          "SYSL",              /* 600e/x, 770e, 770x, A21e, A2xm/p, */
+                               /* T20-22, X20-21 */
           "LED",               /* all others */
           );                   /* R30, R31 */
 
@@ -3437,13 +3468,11 @@ static int led_write(char *buf)
                        led = 1 << led;
                        ret = ec_write(TPACPI_LED_EC_HLMS, led);
                        if (ret >= 0)
-                               ret =
-                                   ec_write(TPACPI_LED_EC_HLBL,
-                                            led * led_exp_hlbl[ind]);
+                               ret = ec_write(TPACPI_LED_EC_HLBL,
+                                               led * led_exp_hlbl[ind]);
                        if (ret >= 0)
-                               ret =
-                                   ec_write(TPACPI_LED_EC_HLCL,
-                                            led * led_exp_hlcl[ind]);
+                               ret = ec_write(TPACPI_LED_EC_HLCL,
+                                               led * led_exp_hlcl[ind]);
                        if (ret < 0)
                                return ret;
                } else {
@@ -3620,7 +3649,7 @@ static int thermal_get_sensors(struct ibm_thermal_sensors_struct *s)
        if (thermal_read_mode == TPACPI_THERMAL_TPEC_16)
                n = 16;
 
-       for(i = 0 ; i < n; i++) {
+       for (i = 0 ; i < n; i++) {
                res = thermal_get_sensor(i, &s->temp[i]);
                if (res)
                        return res;
@@ -3651,7 +3680,8 @@ static ssize_t thermal_temp_input_show(struct device *dev,
 }
 
 #define THERMAL_SENSOR_ATTR_TEMP(_idxA, _idxB) \
-        SENSOR_ATTR(temp##_idxA##_input, S_IRUGO, thermal_temp_input_show, NULL, _idxB)
+        SENSOR_ATTR(temp##_idxA##_input, S_IRUGO, \
+                    thermal_temp_input_show, NULL, _idxB)
 
 static struct sensor_device_attribute sensor_dev_attr_thermal_temp_input[] = {
        THERMAL_SENSOR_ATTR_TEMP(1, 0),
@@ -3747,7 +3777,8 @@ static int __init thermal_init(struct ibm_init_struct *iibm)
                        if (acpi_tmp7) {
                                printk(TPACPI_ERR
                                       "ThinkPad ACPI EC access misbehaving, "
-                                      "falling back to ACPI TMPx access mode\n");
+                                      "falling back to ACPI TMPx access "
+                                      "mode\n");
                                thermal_read_mode = TPACPI_THERMAL_ACPI_TMP07;
                        } else {
                                printk(TPACPI_ERR
@@ -3777,7 +3808,7 @@ static int __init thermal_init(struct ibm_init_struct *iibm)
                str_supported(thermal_read_mode != TPACPI_THERMAL_NONE),
                thermal_read_mode);
 
-       switch(thermal_read_mode) {
+       switch (thermal_read_mode) {
        case TPACPI_THERMAL_TPEC_16:
                res = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
                                &thermal_temp_input16_group);
@@ -3802,7 +3833,7 @@ static int __init thermal_init(struct ibm_init_struct *iibm)
 
 static void thermal_exit(void)
 {
-       switch(thermal_read_mode) {
+       switch (thermal_read_mode) {
        case TPACPI_THERMAL_TPEC_16:
                sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj,
                                   &thermal_temp_input16_group);
@@ -4020,8 +4051,8 @@ static int brightness_update_status(struct backlight_device *bd)
 }
 
 static struct backlight_ops ibm_backlight_data = {
-        .get_brightness = brightness_get,
-        .update_status  = brightness_update_status,
+       .get_brightness = brightness_get,
+       .update_status  = brightness_update_status,
 };
 
 /* --------------------------------------------------------------------- */
@@ -4081,7 +4112,8 @@ static int __init brightness_check_levels(void)
 
        /* Search for a BCLL package with 16 levels */
        status = acpi_walk_namespace(ACPI_TYPE_PACKAGE, vid_handle, 3,
-                                       brightness_find_bcll, NULL, &found_node);
+                                       brightness_find_bcll, NULL,
+                                       &found_node);
 
        return (ACPI_SUCCESS(status) && found_node != NULL);
 }
@@ -4114,7 +4146,7 @@ static int __init brightness_check_std_acpi_support(void)
 
        /* Search for a _BCL method, but don't execute it */
        status = acpi_walk_namespace(ACPI_TYPE_METHOD, vid_handle, 3,
-                                    brightness_find_bcl, NULL, &found_node);
+                                    brightness_find_bcl, NULL, &found_node);
 
        return (ACPI_SUCCESS(status) && found_node != NULL);
 }
@@ -4129,12 +4161,14 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
 
        if (!brightness_enable) {
                dbg_printk(TPACPI_DBG_INIT,
-                          "brightness support disabled by module parameter\n");
+                          "brightness support disabled by "
+                          "module parameter\n");
                return 1;
        } else if (brightness_enable > 1) {
                if (brightness_check_std_acpi_support()) {
                        printk(TPACPI_NOTICE
-                              "standard ACPI backlight interface available, not loading native one...\n");
+                              "standard ACPI backlight interface "
+                              "available, not loading native one...\n");
                        return 1;
                }
        }
@@ -4161,7 +4195,8 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
                return 1;
 
        if (tp_features.bright_16levels)
-               printk(TPACPI_INFO "detected a 16-level brightness capable ThinkPad\n");
+               printk(TPACPI_INFO
+                      "detected a 16-level brightness capable ThinkPad\n");
 
        ibm_backlight_device = backlight_device_register(
                                        TPACPI_BACKLIGHT_DEV_NAME, NULL, NULL,
@@ -4195,7 +4230,8 @@ static int brightness_read(char *p)
        int len = 0;
        int level;
 
-       if ((level = brightness_get(NULL)) < 0) {
+       level = brightness_get(NULL);
+       if (level < 0) {
                len += sprintf(p + len, "level:\t\tunreadable\n");
        } else {
                len += sprintf(p + len, "level:\t\t%d\n", level);
@@ -4303,8 +4339,11 @@ static int volume_write(char *buf)
                } else
                        return -EINVAL;
 
-               if (new_level != level) {       /* mute doesn't change */
-                       cmos_cmd = new_level > level ? TP_CMOS_VOLUME_UP : TP_CMOS_VOLUME_DOWN;
+               if (new_level != level) {
+                       /* mute doesn't change */
+
+                       cmos_cmd = (new_level > level) ?
+                                       TP_CMOS_VOLUME_UP : TP_CMOS_VOLUME_DOWN;
                        inc = new_level > level ? 1 : -1;
 
                        if (mute && (issue_thinkpad_cmos_command(cmos_cmd) ||
@@ -4316,14 +4355,18 @@ static int volume_write(char *buf)
                                    !acpi_ec_write(volume_offset, i + inc))
                                        return -EIO;
 
-                       if (mute && (issue_thinkpad_cmos_command(TP_CMOS_VOLUME_MUTE) ||
-                                    !acpi_ec_write(volume_offset,
-                                                   new_level + mute)))
+                       if (mute &&
+                           (issue_thinkpad_cmos_command(TP_CMOS_VOLUME_MUTE) ||
+                            !acpi_ec_write(volume_offset, new_level + mute))) {
                                return -EIO;
+                       }
                }
 
-               if (new_mute != mute) { /* level doesn't change */
-                       cmos_cmd = new_mute ? TP_CMOS_VOLUME_MUTE : TP_CMOS_VOLUME_UP;
+               if (new_mute != mute) {
+                       /* level doesn't change */
+
+                       cmos_cmd = (new_mute) ?
+                                  TP_CMOS_VOLUME_MUTE : TP_CMOS_VOLUME_UP;
 
                        if (issue_thinkpad_cmos_command(cmos_cmd) ||
                            !acpi_ec_write(volume_offset, level + new_mute))
@@ -4694,7 +4737,7 @@ static int fan_set_enable(void)
                s |= 4;
 
                if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", s))
-                       rc= -EIO;
+                       rc = -EIO;
                else
                        rc = 0;
                break;
@@ -4790,7 +4833,8 @@ static void fan_watchdog_reset(void)
                if (!schedule_delayed_work(&fan_watchdog_task,
                                msecs_to_jiffies(fan_watchdog_maxinterval
                                                 * 1000))) {
-                       printk(TPACPI_ERR "failed to schedule the fan watchdog, "
+                       printk(TPACPI_ERR
+                              "failed to schedule the fan watchdog, "
                               "watchdog will not trigger\n");
                }
        } else
@@ -5076,9 +5120,9 @@ static int __init fan_init(struct ibm_init_struct *iibm)
                                case 0x3637: /* TP-76 */
                                case 0x3037: /* TP-70 */
                                        printk(TPACPI_NOTICE
-                                              "fan_init: initial fan status is "
-                                              "unknown, assuming it is in auto "
-                                              "mode\n");
+                                              "fan_init: initial fan status "
+                                              "is unknown, assuming it is "
+                                              "in auto mode\n");
                                        tp_features.fan_ctrl_status_undef = 1;
                                        ;;
                                }
@@ -5151,11 +5195,13 @@ static int __init fan_init(struct ibm_init_struct *iibm)
 
 static void fan_exit(void)
 {
-       vdbg_printk(TPACPI_DBG_EXIT, "cancelling any pending fan watchdog tasks\n");
+       vdbg_printk(TPACPI_DBG_EXIT,
+                   "cancelling any pending fan watchdog tasks\n");
 
        /* FIXME: can we really do this unconditionally? */
        sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj, &fan_attr_group);
-       driver_remove_file(&tpacpi_hwmon_pdriver.driver, &driver_attr_fan_watchdog);
+       driver_remove_file(&tpacpi_hwmon_pdriver.driver,
+                          &driver_attr_fan_watchdog);
 
        cancel_delayed_work(&fan_watchdog_task);
        flush_scheduled_work();
@@ -5171,7 +5217,8 @@ static int fan_read(char *p)
        switch (fan_status_access_mode) {
        case TPACPI_FAN_RD_ACPI_GFAN:
                /* 570, 600e/x, 770e, 770x */
-               if ((rc = fan_get_status_safe(&status)) < 0)
+               rc = fan_get_status_safe(&status);
+               if (rc < 0)
                        return rc;
 
                len += sprintf(p + len, "status:\t\t%s\n"
@@ -5181,7 +5228,8 @@ static int fan_read(char *p)
 
        case TPACPI_FAN_RD_TPEC:
                /* all except 570, 600e/x, 770e, 770x */
-               if ((rc = fan_get_status_safe(&status)) < 0)
+               rc = fan_get_status_safe(&status);
+               if (rc < 0)
                        return rc;
 
                if (unlikely(tp_features.fan_ctrl_status_undef)) {
@@ -5196,7 +5244,8 @@ static int fan_read(char *p)
                len += sprintf(p + len, "status:\t\t%s\n",
                               (status != 0) ? "enabled" : "disabled");
 
-               if ((rc = fan_get_speed(&speed)) < 0)
+               rc = fan_get_speed(&speed);
+               if (rc < 0)
                        return rc;
 
                len += sprintf(p + len, "speed:\t\t%d\n", speed);
@@ -5232,8 +5281,8 @@ static int fan_read(char *p)
 
        if (fan_control_commands & TPACPI_FAN_CMD_ENABLE)
                len += sprintf(p + len, "commands:\tenable, disable\n"
-                              "commands:\twatchdog <timeout> (<timeout> is 0 (off), "
-                              "1-120 (seconds))\n");
+                              "commands:\twatchdog <timeout> (<timeout> "
+                              "is 0 (off), 1-120 (seconds))\n");
 
        if (fan_control_commands & TPACPI_FAN_CMD_SPEED)
                len += sprintf(p + len, "commands:\tspeed <speed>"
@@ -5249,12 +5298,13 @@ static int fan_write_cmd_level(const char *cmd, int *rc)
        if (strlencmp(cmd, "level auto") == 0)
                level = TP_EC_FAN_AUTO;
        else if ((strlencmp(cmd, "level disengaged") == 0) |
-                (strlencmp(cmd, "level full-speed") == 0))
+                       (strlencmp(cmd, "level full-speed") == 0))
                level = TP_EC_FAN_FULLSPEED;
        else if (sscanf(cmd, "level %d", &level) != 1)
                return 0;
 
-       if ((*rc = fan_set_level_safe(level)) == -ENXIO)
+       *rc = fan_set_level_safe(level);
+       if (*rc == -ENXIO)
                printk(TPACPI_ERR "level command accepted for unsupported "
                       "access mode %d", fan_control_access_mode);
 
@@ -5266,7 +5316,8 @@ static int fan_write_cmd_enable(const char *cmd, int *rc)
        if (strlencmp(cmd, "enable") != 0)
                return 0;
 
-       if ((*rc = fan_set_enable()) == -ENXIO)
+       *rc = fan_set_enable();
+       if (*rc == -ENXIO)
                printk(TPACPI_ERR "enable command accepted for unsupported "
                       "access mode %d", fan_control_access_mode);
 
@@ -5278,7 +5329,8 @@ static int fan_write_cmd_disable(const char *cmd, int *rc)
        if (strlencmp(cmd, "disable") != 0)
                return 0;
 
-       if ((*rc = fan_set_disable()) == -ENXIO)
+       *rc = fan_set_disable();
+       if (*rc == -ENXIO)
                printk(TPACPI_ERR "disable command accepted for unsupported "
                       "access mode %d", fan_control_access_mode);
 
@@ -5295,7 +5347,8 @@ static int fan_write_cmd_speed(const char *cmd, int *rc)
        if (sscanf(cmd, "speed %d", &speed) != 1)
                return 0;
 
-       if ((*rc = fan_set_speed(speed)) == -ENXIO)
+       *rc = fan_set_speed(speed);
+       if (*rc == -ENXIO)
                printk(TPACPI_ERR "speed command accepted for unsupported "
                       "access mode %d", fan_control_access_mode);
 
@@ -5703,38 +5756,38 @@ static int __init set_ibm_param(const char *val, struct kernel_param *kp)
 
 module_param(experimental, int, 0);
 MODULE_PARM_DESC(experimental,
-                 "Enables experimental features when non-zero");
+                "Enables experimental features when non-zero");
 
 module_param_named(debug, dbg_level, uint, 0);
 MODULE_PARM_DESC(debug, "Sets debug level bit-mask");
 
 module_param(force_load, bool, 0);
 MODULE_PARM_DESC(force_load,
-                 "Attempts to load the driver even on a "
-                 "mis-identified ThinkPad when true");
+                "Attempts to load the driver even on a "
+                "mis-identified ThinkPad when true");
 
 module_param_named(fan_control, fan_control_allowed, bool, 0);
 MODULE_PARM_DESC(fan_control,
-                 "Enables setting fan parameters features when true");
+                "Enables setting fan parameters features when true");
 
 module_param_named(brightness_mode, brightness_mode, int, 0);
 MODULE_PARM_DESC(brightness_mode,
-                 "Selects brightness control strategy: "
-                 "0=auto, 1=EC, 2=CMOS, 3=both");
+                "Selects brightness control strategy: "
+                "0=auto, 1=EC, 2=CMOS, 3=both");
 
 module_param(brightness_enable, uint, 0);
 MODULE_PARM_DESC(brightness_enable,
-                 "Enables backlight control when 1, disables when 0");
+                "Enables backlight control when 1, disables when 0");
 
 module_param(hotkey_report_mode, uint, 0);
 MODULE_PARM_DESC(hotkey_report_mode,
-                 "used for backwards compatibility with userspace, "
-                 "see documentation");
+                "used for backwards compatibility with userspace, "
+                "see documentation");
 
 #define TPACPI_PARAM(feature) \
        module_param_call(feature, set_ibm_param, NULL, NULL, 0); \
        MODULE_PARM_DESC(feature, "Simulates thinkpad-aci procfs command " \
-                        "at module load, see documentation")
+                        "at module load, see documentation")
 
 TPACPI_PARAM(hotkey);
 TPACPI_PARAM(bluetooth);
@@ -5832,7 +5885,8 @@ static int __init thinkpad_acpi_module_init(void)
 
        proc_dir = proc_mkdir(TPACPI_PROC_DIR, acpi_root_dir);
        if (!proc_dir) {
-               printk(TPACPI_ERR "unable to create proc dir " TPACPI_PROC_DIR);
+               printk(TPACPI_ERR
+                      "unable to create proc dir " TPACPI_PROC_DIR);
                thinkpad_acpi_module_exit();
                return -ENODEV;
        }
@@ -5840,7 +5894,8 @@ static int __init thinkpad_acpi_module_init(void)
 
        ret = platform_driver_register(&tpacpi_pdriver);
        if (ret) {
-               printk(TPACPI_ERR "unable to register main platform driver\n");
+               printk(TPACPI_ERR
+                      "unable to register main platform driver\n");
                thinkpad_acpi_module_exit();
                return ret;
        }
@@ -5848,7 +5903,8 @@ static int __init thinkpad_acpi_module_init(void)
 
        ret = platform_driver_register(&tpacpi_hwmon_pdriver);
        if (ret) {
-               printk(TPACPI_ERR "unable to register hwmon platform driver\n");
+               printk(TPACPI_ERR
+                      "unable to register hwmon platform driver\n");
                thinkpad_acpi_module_exit();
                return ret;
        }
@@ -5857,10 +5913,12 @@ static int __init thinkpad_acpi_module_init(void)
        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);
+               ret = tpacpi_create_driver_attributes(
+                                       &tpacpi_hwmon_pdriver.driver);
        }
        if (ret) {
-               printk(TPACPI_ERR "unable to create sysfs driver attributes\n");
+               printk(TPACPI_ERR
+                      "unable to create sysfs driver attributes\n");
                thinkpad_acpi_module_exit();
                return ret;
        }
@@ -5878,12 +5936,13 @@ static int __init thinkpad_acpi_module_init(void)
                return ret;
        }
        tpacpi_sensors_pdev = platform_device_register_simple(
-                                                       TPACPI_HWMON_DRVR_NAME,
-                                                       -1, NULL, 0);
+                                               TPACPI_HWMON_DRVR_NAME,
+                                               -1, NULL, 0);
        if (IS_ERR(tpacpi_sensors_pdev)) {
                ret = PTR_ERR(tpacpi_sensors_pdev);
                tpacpi_sensors_pdev = NULL;
-               printk(TPACPI_ERR "unable to register hwmon platform device\n");
+               printk(TPACPI_ERR
+                      "unable to register hwmon platform device\n");
                thinkpad_acpi_module_exit();
                return ret;
        }
@@ -5891,7 +5950,7 @@ static int __init thinkpad_acpi_module_init(void)
                                 &dev_attr_thinkpad_acpi_pdev_name);
        if (ret) {
                printk(TPACPI_ERR
-                       "unable to create sysfs hwmon device attributes\n");
+                      "unable to create sysfs hwmon device attributes\n");
                thinkpad_acpi_module_exit();
                return ret;
        }