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20#define _RTW_PWRCTRL_C_
21
22#include <osdep_service.h>
23#include <drv_types.h>
24#include <osdep_intf.h>
25#include <usb_ops_linux.h>
26#include <linux/usb.h>
27
28static int rtw_hw_suspend(struct adapter *padapter)
29{
30 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
31 struct net_device *pnetdev = padapter->pnetdev;
32
33
34 if ((!padapter->bup) || (padapter->bDriverStopped) ||
35 (padapter->bSurpriseRemoved)) {
36 DBG_88E("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
37 padapter->bup, padapter->bDriverStopped,
38 padapter->bSurpriseRemoved);
39 goto error_exit;
40 }
41
42
43 LeaveAllPowerSaveMode(padapter);
44
45 DBG_88E("==> rtw_hw_suspend\n");
46 _enter_pwrlock(&pwrpriv->lock);
47 pwrpriv->bips_processing = true;
48
49 if (pnetdev) {
50 netif_carrier_off(pnetdev);
51 netif_tx_stop_all_queues(pnetdev);
52 }
53
54
55 rtw_disassoc_cmd(padapter, 500, false);
56
57
58 {
59 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
60
61 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
62 _clr_fwstate_(pmlmepriv, _FW_LINKED);
63
64 rtw_led_control(padapter, LED_CTL_NO_LINK);
65
66 rtw_os_indicate_disconnect(padapter);
67
68
69 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 0);
70 }
71 }
72
73 rtw_free_assoc_resources(padapter);
74
75
76 rtw_free_network_queue(padapter, true);
77 rtw_ips_dev_unload(padapter);
78 pwrpriv->rf_pwrstate = rf_off;
79 pwrpriv->bips_processing = false;
80
81 _exit_pwrlock(&pwrpriv->lock);
82
83 return 0;
84
85error_exit:
86 DBG_88E("%s, failed\n", __func__);
87 return -1;
88}
89
90static int rtw_hw_resume(struct adapter *padapter)
91{
92 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
93 struct net_device *pnetdev = padapter->pnetdev;
94
95
96
97 DBG_88E("==> rtw_hw_resume\n");
98 _enter_pwrlock(&pwrpriv->lock);
99 pwrpriv->bips_processing = true;
100 rtw_reset_drv_sw(padapter);
101
102 if (pm_netdev_open(pnetdev, false) != 0) {
103 _exit_pwrlock(&pwrpriv->lock);
104 goto error_exit;
105 }
106
107 netif_device_attach(pnetdev);
108 netif_carrier_on(pnetdev);
109
110 if (!netif_queue_stopped(pnetdev))
111 netif_start_queue(pnetdev);
112 else
113 netif_wake_queue(pnetdev);
114
115 pwrpriv->bkeepfwalive = false;
116 pwrpriv->brfoffbyhw = false;
117
118 pwrpriv->rf_pwrstate = rf_on;
119 pwrpriv->bips_processing = false;
120
121 _exit_pwrlock(&pwrpriv->lock);
122
123
124 return 0;
125error_exit:
126 DBG_88E("%s, Open net dev failed\n", __func__);
127 return -1;
128}
129
130void ips_enter(struct adapter *padapter)
131{
132 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
133 struct xmit_priv *pxmit_priv = &padapter->xmitpriv;
134
135 if (padapter->registrypriv.mp_mode == 1)
136 return;
137
138 if (pxmit_priv->free_xmitbuf_cnt != NR_XMITBUFF ||
139 pxmit_priv->free_xmit_extbuf_cnt != NR_XMIT_EXTBUFF) {
140 DBG_88E_LEVEL(_drv_info_, "There are some pkts to transmit\n");
141 DBG_88E_LEVEL(_drv_info_, "free_xmitbuf_cnt: %d, free_xmit_extbuf_cnt: %d\n",
142 pxmit_priv->free_xmitbuf_cnt, pxmit_priv->free_xmit_extbuf_cnt);
143 return;
144 }
145
146 _enter_pwrlock(&pwrpriv->lock);
147
148 pwrpriv->bips_processing = true;
149
150
151 pwrpriv->ips_mode = pwrpriv->ips_mode_req;
152
153 pwrpriv->ips_enter_cnts++;
154 DBG_88E("==>ips_enter cnts:%d\n", pwrpriv->ips_enter_cnts);
155 if (rf_off == pwrpriv->change_rfpwrstate) {
156 pwrpriv->bpower_saving = true;
157 DBG_88E_LEVEL(_drv_info_, "nolinked power save enter\n");
158
159 if (pwrpriv->ips_mode == IPS_LEVEL_2)
160 pwrpriv->bkeepfwalive = true;
161
162 rtw_ips_pwr_down(padapter);
163 pwrpriv->rf_pwrstate = rf_off;
164 }
165 pwrpriv->bips_processing = false;
166
167 _exit_pwrlock(&pwrpriv->lock);
168}
169
170int ips_leave(struct adapter *padapter)
171{
172 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
173 struct security_priv *psecuritypriv = &(padapter->securitypriv);
174 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
175 int result = _SUCCESS;
176 int keyid;
177
178
179 _enter_pwrlock(&pwrpriv->lock);
180
181 if ((pwrpriv->rf_pwrstate == rf_off) && (!pwrpriv->bips_processing)) {
182 pwrpriv->bips_processing = true;
183 pwrpriv->change_rfpwrstate = rf_on;
184 pwrpriv->ips_leave_cnts++;
185 DBG_88E("==>ips_leave cnts:%d\n", pwrpriv->ips_leave_cnts);
186
187 result = rtw_ips_pwr_up(padapter);
188 if (result == _SUCCESS) {
189 pwrpriv->rf_pwrstate = rf_on;
190 }
191 DBG_88E_LEVEL(_drv_info_, "nolinked power save leave\n");
192
193 if ((_WEP40_ == psecuritypriv->dot11PrivacyAlgrthm) || (_WEP104_ == psecuritypriv->dot11PrivacyAlgrthm)) {
194 DBG_88E("==>%s, channel(%d), processing(%x)\n", __func__, padapter->mlmeextpriv.cur_channel, pwrpriv->bips_processing);
195 set_channel_bwmode(padapter, padapter->mlmeextpriv.cur_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20);
196 for (keyid = 0; keyid < 4; keyid++) {
197 if (pmlmepriv->key_mask & BIT(keyid)) {
198 if (keyid == psecuritypriv->dot11PrivacyKeyIndex)
199 result = rtw_set_key(padapter, psecuritypriv, keyid, 1);
200 else
201 result = rtw_set_key(padapter, psecuritypriv, keyid, 0);
202 }
203 }
204 }
205
206 DBG_88E("==> ips_leave.....LED(0x%08x)...\n", usb_read32(padapter, 0x4c));
207 pwrpriv->bips_processing = false;
208
209 pwrpriv->bkeepfwalive = false;
210 pwrpriv->bpower_saving = false;
211 }
212
213 _exit_pwrlock(&pwrpriv->lock);
214
215 return result;
216}
217
218static bool rtw_pwr_unassociated_idle(struct adapter *adapter)
219{
220 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
221 bool ret = false;
222
223 if (time_after_eq(adapter->pwrctrlpriv.ips_deny_time, jiffies))
224 goto exit;
225
226 if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR) ||
227 check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS) ||
228 check_fwstate(pmlmepriv, WIFI_AP_STATE) ||
229 check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE))
230 goto exit;
231
232 ret = true;
233
234exit:
235 return ret;
236}
237
238void rtw_ps_processor(struct adapter *padapter)
239{
240 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
241 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
242 enum rt_rf_power_state rfpwrstate;
243
244 pwrpriv->ps_processing = true;
245
246 if (pwrpriv->bips_processing)
247 goto exit;
248
249 if (padapter->pwrctrlpriv.bHWPwrPindetect) {
250 rfpwrstate = RfOnOffDetect(padapter);
251 DBG_88E("@@@@- #2 %s==> rfstate:%s\n", __func__, (rfpwrstate == rf_on) ? "rf_on" : "rf_off");
252
253 if (rfpwrstate != pwrpriv->rf_pwrstate) {
254 if (rfpwrstate == rf_off) {
255 pwrpriv->change_rfpwrstate = rf_off;
256 pwrpriv->brfoffbyhw = true;
257 rtw_hw_suspend(padapter);
258 } else {
259 pwrpriv->change_rfpwrstate = rf_on;
260 rtw_hw_resume(padapter);
261 }
262 DBG_88E("current rf_pwrstate(%s)\n", (pwrpriv->rf_pwrstate == rf_off) ? "rf_off" : "rf_on");
263 }
264 pwrpriv->pwr_state_check_cnts++;
265 }
266
267 if (pwrpriv->ips_mode_req == IPS_NONE)
268 goto exit;
269
270 if (!rtw_pwr_unassociated_idle(padapter))
271 goto exit;
272
273 if ((pwrpriv->rf_pwrstate == rf_on) && ((pwrpriv->pwr_state_check_cnts%4) == 0)) {
274 DBG_88E("==>%s .fw_state(%x)\n", __func__, get_fwstate(pmlmepriv));
275 pwrpriv->change_rfpwrstate = rf_off;
276
277 ips_enter(padapter);
278 }
279exit:
280 rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
281 pwrpriv->ps_processing = false;
282}
283
284static void pwr_state_check_handler(unsigned long data)
285{
286 struct adapter *padapter = (struct adapter *)data;
287 rtw_ps_cmd(padapter);
288}
289
290
291
292
293
294
295
296
297void rtw_set_rpwm(struct adapter *padapter, u8 pslv)
298{
299 u8 rpwm;
300 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
301
302 pslv = PS_STATE(pslv);
303
304 if (pwrpriv->btcoex_rfon) {
305 if (pslv < PS_STATE_S4)
306 pslv = PS_STATE_S3;
307 }
308
309 if ((pwrpriv->rpwm == pslv)) {
310 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
311 ("%s: Already set rpwm[0x%02X], new=0x%02X!\n", __func__, pwrpriv->rpwm, pslv));
312 return;
313 }
314
315 if ((padapter->bSurpriseRemoved) ||
316 (!padapter->hw_init_completed)) {
317 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
318 ("%s: SurpriseRemoved(%d) hw_init_completed(%d)\n",
319 __func__, padapter->bSurpriseRemoved, padapter->hw_init_completed));
320
321 pwrpriv->cpwm = PS_STATE_S4;
322
323 return;
324 }
325
326 if (padapter->bDriverStopped) {
327 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
328 ("%s: change power state(0x%02X) when DriverStopped\n", __func__, pslv));
329
330 if (pslv < PS_STATE_S2) {
331 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
332 ("%s: Reject to enter PS_STATE(0x%02X) lower than S2 when DriverStopped!!\n", __func__, pslv));
333 return;
334 }
335 }
336
337 rpwm = pslv | pwrpriv->tog;
338 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
339 ("rtw_set_rpwm: rpwm=0x%02x cpwm=0x%02x\n", rpwm, pwrpriv->cpwm));
340
341 pwrpriv->rpwm = pslv;
342
343 rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm));
344
345 pwrpriv->tog += 0x80;
346 pwrpriv->cpwm = pslv;
347}
348
349static u8 PS_RDY_CHECK(struct adapter *padapter)
350{
351 u32 curr_time, delta_time;
352 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
353 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
354
355
356 curr_time = jiffies;
357 delta_time = curr_time - pwrpriv->DelayLPSLastTimeStamp;
358
359 if (delta_time < LPS_DELAY_TIME)
360 return false;
361
362 if ((check_fwstate(pmlmepriv, _FW_LINKED) == false) ||
363 (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) ||
364 (check_fwstate(pmlmepriv, WIFI_AP_STATE)) ||
365 (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) ||
366 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)))
367 return false;
368 if (pwrpriv->bInSuspend)
369 return false;
370 if ((padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) && (padapter->securitypriv.binstallGrpkey == false)) {
371 DBG_88E("Group handshake still in progress !!!\n");
372 return false;
373 }
374 return true;
375}
376
377void rtw_set_ps_mode(struct adapter *padapter, u8 ps_mode, u8 smart_ps, u8 bcn_ant_mode)
378{
379 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
380
381 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
382 ("%s: PowerMode=%d Smart_PS=%d\n",
383 __func__, ps_mode, smart_ps));
384
385 if (ps_mode > PM_Card_Disable) {
386 RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, ("ps_mode:%d error\n", ps_mode));
387 return;
388 }
389
390 if (pwrpriv->pwr_mode == ps_mode) {
391 if (PS_MODE_ACTIVE == ps_mode)
392 return;
393
394 if ((pwrpriv->smart_ps == smart_ps) &&
395 (pwrpriv->bcn_ant_mode == bcn_ant_mode))
396 return;
397 }
398
399
400 if (ps_mode == PS_MODE_ACTIVE) {
401 if (PS_RDY_CHECK(padapter)) {
402 DBG_88E("%s: Enter 802.11 power save\n", __func__);
403 pwrpriv->bFwCurrentInPSMode = true;
404 pwrpriv->pwr_mode = ps_mode;
405 pwrpriv->smart_ps = smart_ps;
406 pwrpriv->bcn_ant_mode = bcn_ant_mode;
407 rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
408 rtw_set_rpwm(padapter, PS_STATE_S2);
409 }
410 }
411}
412
413
414
415
416
417
418
419s32 LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms)
420{
421 u32 start_time;
422 u8 bAwake = false;
423 s32 err = 0;
424
425
426 start_time = jiffies;
427 while (1) {
428 rtw_hal_get_hwreg(padapter, HW_VAR_FWLPS_RF_ON, &bAwake);
429 if (bAwake)
430 break;
431
432 if (padapter->bSurpriseRemoved) {
433 err = -2;
434 DBG_88E("%s: device surprise removed!!\n", __func__);
435 break;
436 }
437
438 if (rtw_get_passing_time_ms(start_time) > delay_ms) {
439 err = -1;
440 DBG_88E("%s: Wait for FW LPS leave more than %u ms!!!\n", __func__, delay_ms);
441 break;
442 }
443 msleep(1);
444 }
445
446 return err;
447}
448
449
450
451
452
453void LPS_Enter(struct adapter *padapter)
454{
455 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
456
457 if (PS_RDY_CHECK(padapter) == false)
458 return;
459
460 if (pwrpriv->bLeisurePs) {
461
462 if (pwrpriv->LpsIdleCount >= 2) {
463 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) {
464 pwrpriv->bpower_saving = true;
465 DBG_88E("%s smart_ps:%d\n", __func__, pwrpriv->smart_ps);
466
467 rtw_set_ps_mode(padapter, pwrpriv->power_mgnt, pwrpriv->smart_ps, 0);
468 }
469 } else {
470 pwrpriv->LpsIdleCount++;
471 }
472 }
473}
474
475#define LPS_LEAVE_TIMEOUT_MS 100
476
477
478
479void LPS_Leave(struct adapter *padapter)
480{
481 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
482
483 if (pwrpriv->bLeisurePs) {
484 if (pwrpriv->pwr_mode != PS_MODE_ACTIVE) {
485 rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0, 0);
486
487 if (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
488 LPS_RF_ON_check(padapter, LPS_LEAVE_TIMEOUT_MS);
489 }
490 }
491
492 pwrpriv->bpower_saving = false;
493}
494
495
496
497
498
499void LeaveAllPowerSaveMode(struct adapter *Adapter)
500{
501 struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv);
502 u8 enqueue = 0;
503
504 if (check_fwstate(pmlmepriv, _FW_LINKED))
505 rtw_lps_ctrl_wk_cmd(Adapter, LPS_CTRL_LEAVE, enqueue);
506}
507
508void rtw_init_pwrctrl_priv(struct adapter *padapter)
509{
510 struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
511
512 _init_pwrlock(&pwrctrlpriv->lock);
513 pwrctrlpriv->rf_pwrstate = rf_on;
514 pwrctrlpriv->ips_enter_cnts = 0;
515 pwrctrlpriv->ips_leave_cnts = 0;
516 pwrctrlpriv->bips_processing = false;
517
518 pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode;
519 pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode;
520
521 pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL;
522 pwrctrlpriv->pwr_state_check_cnts = 0;
523 pwrctrlpriv->bInternalAutoSuspend = false;
524 pwrctrlpriv->bInSuspend = false;
525 pwrctrlpriv->bkeepfwalive = false;
526
527 pwrctrlpriv->LpsIdleCount = 0;
528 if (padapter->registrypriv.mp_mode == 1)
529 pwrctrlpriv->power_mgnt = PS_MODE_ACTIVE;
530 else
531 pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt;
532 pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt) ? true : false;
533
534 pwrctrlpriv->bFwCurrentInPSMode = false;
535
536 pwrctrlpriv->rpwm = 0;
537 pwrctrlpriv->cpwm = PS_STATE_S4;
538
539 pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE;
540 pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps;
541 pwrctrlpriv->bcn_ant_mode = 0;
542
543 pwrctrlpriv->tog = 0x80;
544
545 pwrctrlpriv->btcoex_rfon = false;
546
547 setup_timer(&pwrctrlpriv->pwr_state_check_timer,
548 pwr_state_check_handler,
549 (unsigned long)padapter);
550}
551
552
553
554
555
556
557
558
559int _rtw_pwr_wakeup(struct adapter *padapter, u32 ips_deffer_ms, const char *caller)
560{
561 struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
562 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
563 unsigned long expires;
564 int ret = _SUCCESS;
565
566 expires = jiffies + msecs_to_jiffies(ips_deffer_ms);
567 if (time_before(pwrpriv->ips_deny_time, expires))
568 pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);
569
570{
571 u32 start = jiffies;
572 if (pwrpriv->ps_processing) {
573 DBG_88E("%s wait ps_processing...\n", __func__);
574 while (pwrpriv->ps_processing && rtw_get_passing_time_ms(start) <= 3000)
575 usleep_range(1000, 3000);
576 if (pwrpriv->ps_processing)
577 DBG_88E("%s wait ps_processing timeout\n", __func__);
578 else
579 DBG_88E("%s wait ps_processing done\n", __func__);
580 }
581}
582
583
584 if ((!pwrpriv->bInternalAutoSuspend) && (pwrpriv->bInSuspend)) {
585 ret = _FAIL;
586 goto exit;
587 }
588
589
590 if ((pwrpriv->bInternalAutoSuspend) && (padapter->net_closed)) {
591 ret = _FAIL;
592 goto exit;
593 }
594
595
596 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
597 ret = _SUCCESS;
598 goto exit;
599 }
600 if (rf_off == pwrpriv->rf_pwrstate) {
601 DBG_88E("%s call ips_leave....\n", __func__);
602 if (_FAIL == ips_leave(padapter)) {
603 DBG_88E("======> ips_leave fail.............\n");
604 ret = _FAIL;
605 goto exit;
606 }
607 }
608
609
610 if (padapter->bDriverStopped || !padapter->bup ||
611 !padapter->hw_init_completed) {
612 DBG_88E("%s: bDriverStopped=%d, bup=%d, hw_init_completed =%u\n"
613 , caller
614 , padapter->bDriverStopped
615 , padapter->bup
616 , padapter->hw_init_completed);
617 ret = false;
618 goto exit;
619 }
620
621exit:
622 expires = jiffies + msecs_to_jiffies(ips_deffer_ms);
623 if (time_before(pwrpriv->ips_deny_time, expires))
624 pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);
625 return ret;
626}
627
628int rtw_pm_set_lps(struct adapter *padapter, u8 mode)
629{
630 int ret = 0;
631 struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
632
633 if (mode < PS_MODE_NUM) {
634 if (pwrctrlpriv->power_mgnt != mode) {
635 if (PS_MODE_ACTIVE == mode)
636 LeaveAllPowerSaveMode(padapter);
637 else
638 pwrctrlpriv->LpsIdleCount = 2;
639 pwrctrlpriv->power_mgnt = mode;
640 pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt) ? true : false;
641 }
642 } else {
643 ret = -EINVAL;
644 }
645
646 return ret;
647}
648
649int rtw_pm_set_ips(struct adapter *padapter, u8 mode)
650{
651 struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
652
653 if (mode == IPS_NORMAL || mode == IPS_LEVEL_2) {
654 rtw_ips_mode_req(pwrctrlpriv, mode);
655 DBG_88E("%s %s\n", __func__, mode == IPS_NORMAL ? "IPS_NORMAL" : "IPS_LEVEL_2");
656 return 0;
657 } else if (mode == IPS_NONE) {
658 rtw_ips_mode_req(pwrctrlpriv, mode);
659 DBG_88E("%s %s\n", __func__, "IPS_NONE");
660 if ((padapter->bSurpriseRemoved == 0) && (_FAIL == rtw_pwr_wakeup(padapter)))
661 return -EFAULT;
662 } else {
663 return -EINVAL;
664 }
665 return 0;
666}
667
