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path: root/drivers/acpi/battery.c
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Diffstat (limited to 'drivers/acpi/battery.c')
-rw-r--r--drivers/acpi/battery.c36
1 files changed, 23 insertions, 13 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index f3b0024e5760..fc9c50ab5219 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -123,7 +123,7 @@ struct acpi_battery_flags {
123 123
124struct acpi_battery { 124struct acpi_battery {
125 struct mutex mutex; 125 struct mutex mutex;
126 struct acpi_device * device; 126 struct acpi_device *device;
127 struct acpi_battery_flags flags; 127 struct acpi_battery_flags flags;
128 struct acpi_buffer bif_data; 128 struct acpi_buffer bif_data;
129 struct acpi_buffer bst_data; 129 struct acpi_buffer bst_data;
@@ -241,7 +241,9 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
241 241
242 /* Evalute _BIF */ 242 /* Evalute _BIF */
243 243
244 status = acpi_evaluate_object(acpi_battery_handle(battery), "_BIF", NULL, &buffer); 244 status =
245 acpi_evaluate_object(acpi_battery_handle(battery), "_BIF", NULL,
246 &buffer);
245 if (ACPI_FAILURE(status)) { 247 if (ACPI_FAILURE(status)) {
246 ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BIF")); 248 ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BIF"));
247 return -ENODEV; 249 return -ENODEV;
@@ -253,7 +255,9 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
253 255
254 /* Extract Package Data */ 256 /* Extract Package Data */
255 257
256 result = acpi_battery_extract_package(battery, package, &format, data, "_BIF"); 258 result =
259 acpi_battery_extract_package(battery, package, &format, data,
260 "_BIF");
257 if (result) 261 if (result)
258 goto end; 262 goto end;
259 263
@@ -289,7 +293,9 @@ static int acpi_battery_get_state(struct acpi_battery *battery)
289 293
290 /* Evalute _BST */ 294 /* Evalute _BST */
291 295
292 status = acpi_evaluate_object(acpi_battery_handle(battery), "_BST", NULL, &buffer); 296 status =
297 acpi_evaluate_object(acpi_battery_handle(battery), "_BST", NULL,
298 &buffer);
293 if (ACPI_FAILURE(status)) { 299 if (ACPI_FAILURE(status)) {
294 ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BST")); 300 ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BST"));
295 return -ENODEV; 301 return -ENODEV;
@@ -301,7 +307,9 @@ static int acpi_battery_get_state(struct acpi_battery *battery)
301 307
302 /* Extract Package Data */ 308 /* Extract Package Data */
303 309
304 result = acpi_battery_extract_package(battery, package, &format, data, "_BST"); 310 result =
311 acpi_battery_extract_package(battery, package, &format, data,
312 "_BST");
305 if (result) 313 if (result)
306 goto end; 314 goto end;
307 315
@@ -320,7 +328,8 @@ static int acpi_battery_get_alarm(struct acpi_battery *battery)
320 return 0; 328 return 0;
321} 329}
322 330
323static int acpi_battery_set_alarm(struct acpi_battery *battery, unsigned long alarm) 331static int acpi_battery_set_alarm(struct acpi_battery *battery,
332 unsigned long alarm)
324{ 333{
325 acpi_status status = 0; 334 acpi_status status = 0;
326 union acpi_object arg0 = { ACPI_TYPE_INTEGER }; 335 union acpi_object arg0 = { ACPI_TYPE_INTEGER };
@@ -336,7 +345,9 @@ static int acpi_battery_set_alarm(struct acpi_battery *battery, unsigned long al
336 345
337 arg0.integer.value = alarm; 346 arg0.integer.value = alarm;
338 347
339 status = acpi_evaluate_object(acpi_battery_handle(battery), "_BTP", &arg_list, NULL); 348 status =
349 acpi_evaluate_object(acpi_battery_handle(battery), "_BTP",
350 &arg_list, NULL);
340 if (ACPI_FAILURE(status)) 351 if (ACPI_FAILURE(status))
341 return -ENODEV; 352 return -ENODEV;
342 353
@@ -400,7 +411,7 @@ static int acpi_battery_init_update(struct acpi_battery *battery)
400} 411}
401 412
402static int acpi_battery_update(struct acpi_battery *battery, 413static int acpi_battery_update(struct acpi_battery *battery,
403 int update, int *update_result_ptr) 414 int update, int *update_result_ptr)
404{ 415{
405 int result = 0; 416 int result = 0;
406 int update_result = ACPI_BATTERY_NONE_UPDATE; 417 int update_result = ACPI_BATTERY_NONE_UPDATE;
@@ -418,7 +429,8 @@ static int acpi_battery_update(struct acpi_battery *battery,
418 result = acpi_battery_get_status(battery); 429 result = acpi_battery_get_status(battery);
419 if (result) 430 if (result)
420 goto end;; 431 goto end;;
421 if (acpi_battery_inserted(battery) || acpi_battery_removed(battery)) { 432 if (acpi_battery_inserted(battery)
433 || acpi_battery_removed(battery)) {
422 result = acpi_battery_init_update(battery); 434 result = acpi_battery_init_update(battery);
423 if (result) 435 if (result)
424 goto end;; 436 goto end;;
@@ -770,7 +782,6 @@ acpi_battery_write_alarm(struct file *file,
770 struct acpi_battery *battery = m->private; 782 struct acpi_battery *battery = m->private;
771 int update_result = ACPI_BATTERY_NONE_UPDATE; 783 int update_result = ACPI_BATTERY_NONE_UPDATE;
772 784
773
774 if (!battery || (count > sizeof(alarm_string) - 1)) 785 if (!battery || (count > sizeof(alarm_string) - 1))
775 return -EINVAL; 786 return -EINVAL;
776 787
@@ -845,7 +856,6 @@ static int acpi_battery_add_fs(struct acpi_device *device)
845{ 856{
846 struct proc_dir_entry *entry = NULL; 857 struct proc_dir_entry *entry = NULL;
847 858
848
849 if (!acpi_device_dir(device)) { 859 if (!acpi_device_dir(device)) {
850 acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), 860 acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
851 acpi_battery_dir); 861 acpi_battery_dir);
@@ -917,7 +927,6 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data)
917 struct acpi_battery *battery = data; 927 struct acpi_battery *battery = data;
918 struct acpi_device *device = NULL; 928 struct acpi_device *device = NULL;
919 929
920
921 if (!battery) 930 if (!battery)
922 return; 931 return;
923 932
@@ -932,7 +941,8 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data)
932 device = battery->device; 941 device = battery->device;
933 acpi_battery_notify_update(battery); 942 acpi_battery_notify_update(battery);
934 acpi_battery_mutex_unlock(battery); 943 acpi_battery_mutex_unlock(battery);
935 acpi_bus_generate_event(device, event, acpi_battery_present(battery)); 944 acpi_bus_generate_event(device, event,
945 acpi_battery_present(battery));
936 break; 946 break;
937 default: 947 default:
938 ACPI_DEBUG_PRINT((ACPI_DB_INFO, 948 ACPI_DEBUG_PRINT((ACPI_DB_INFO,