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-rw-r--r--drivers/misc/thinkpad_acpi.c291
1 files changed, 175 insertions, 116 deletions
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index c92ae8d92b2..dd6fa81fa86 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -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 char* name)
+ 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_set* s, 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_set* s,
+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_set* s, 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_attribute* tpacpi_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;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 01:23:59 +0000