rtl8188eu/core/rtw_pwrctrl.c
Larry Finger 19db43ecbd rtl8188eu: Backport kernel version
This driver was added to the kernel with version 3.12. The changes in that
version are now brought back to the GitHub repo. Essentually all of the code
is updated.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2013-10-19 12:45:47 -05:00

662 lines
18 KiB
C

/******************************************************************************
*
* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#define _RTW_PWRCTRL_C_
#include <osdep_service.h>
#include <drv_types.h>
#include <osdep_intf.h>
#include <linux/usb.h>
void ips_enter(struct adapter *padapter)
{
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
struct xmit_priv *pxmit_priv = &padapter->xmitpriv;
if (padapter->registrypriv.mp_mode == 1)
return;
if (pxmit_priv->free_xmitbuf_cnt != NR_XMITBUFF ||
pxmit_priv->free_xmit_extbuf_cnt != NR_XMIT_EXTBUFF) {
DBG_88E_LEVEL(_drv_info_, "There are some pkts to transmit\n");
DBG_88E_LEVEL(_drv_info_, "free_xmitbuf_cnt: %d, free_xmit_extbuf_cnt: %d\n",
pxmit_priv->free_xmitbuf_cnt, pxmit_priv->free_xmit_extbuf_cnt);
return;
}
_enter_pwrlock(&pwrpriv->lock);
pwrpriv->bips_processing = true;
/* syn ips_mode with request */
pwrpriv->ips_mode = pwrpriv->ips_mode_req;
pwrpriv->ips_enter_cnts++;
DBG_88E("==>ips_enter cnts:%d\n", pwrpriv->ips_enter_cnts);
if (rf_off == pwrpriv->change_rfpwrstate) {
pwrpriv->bpower_saving = true;
DBG_88E_LEVEL(_drv_info_, "nolinked power save enter\n");
if (pwrpriv->ips_mode == IPS_LEVEL_2)
pwrpriv->bkeepfwalive = true;
rtw_ips_pwr_down(padapter);
pwrpriv->rf_pwrstate = rf_off;
}
pwrpriv->bips_processing = false;
_exit_pwrlock(&pwrpriv->lock);
}
int ips_leave(struct adapter *padapter)
{
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
struct security_priv *psecuritypriv = &(padapter->securitypriv);
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
int result = _SUCCESS;
int keyid;
_enter_pwrlock(&pwrpriv->lock);
if ((pwrpriv->rf_pwrstate == rf_off) && (!pwrpriv->bips_processing)) {
pwrpriv->bips_processing = true;
pwrpriv->change_rfpwrstate = rf_on;
pwrpriv->ips_leave_cnts++;
DBG_88E("==>ips_leave cnts:%d\n", pwrpriv->ips_leave_cnts);
result = rtw_ips_pwr_up(padapter);
if (result == _SUCCESS) {
pwrpriv->rf_pwrstate = rf_on;
}
DBG_88E_LEVEL(_drv_info_, "nolinked power save leave\n");
if ((_WEP40_ == psecuritypriv->dot11PrivacyAlgrthm) || (_WEP104_ == psecuritypriv->dot11PrivacyAlgrthm)) {
DBG_88E("==>%s, channel(%d), processing(%x)\n", __func__, padapter->mlmeextpriv.cur_channel, pwrpriv->bips_processing);
set_channel_bwmode(padapter, padapter->mlmeextpriv.cur_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20);
for (keyid = 0; keyid < 4; keyid++) {
if (pmlmepriv->key_mask & BIT(keyid)) {
if (keyid == psecuritypriv->dot11PrivacyKeyIndex)
result = rtw_set_key(padapter, psecuritypriv, keyid, 1);
else
result = rtw_set_key(padapter, psecuritypriv, keyid, 0);
}
}
}
DBG_88E("==> ips_leave.....LED(0x%08x)...\n", rtw_read32(padapter, 0x4c));
pwrpriv->bips_processing = false;
pwrpriv->bkeepfwalive = false;
pwrpriv->bpower_saving = false;
}
_exit_pwrlock(&pwrpriv->lock);
return result;
}
static bool rtw_pwr_unassociated_idle(struct adapter *adapter)
{
struct adapter *buddy = adapter->pbuddy_adapter;
struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
#ifdef CONFIG_88EU_P2P
struct wifidirect_info *pwdinfo = &(adapter->wdinfo);
#endif
bool ret = false;
if (adapter->pwrctrlpriv.ips_deny_time >= rtw_get_current_time())
goto exit;
if (check_fwstate(pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR) ||
check_fwstate(pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS) ||
check_fwstate(pmlmepriv, WIFI_AP_STATE) ||
check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE) ||
#if defined(CONFIG_88EU_P2P)
!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
#else
0)
#endif
goto exit;
/* consider buddy, if exist */
if (buddy) {
struct mlme_priv *b_pmlmepriv = &(buddy->mlmepriv);
#ifdef CONFIG_88EU_P2P
struct wifidirect_info *b_pwdinfo = &(buddy->wdinfo);
#endif
if (check_fwstate(b_pmlmepriv, WIFI_ASOC_STATE|WIFI_SITE_MONITOR) ||
check_fwstate(b_pmlmepriv, WIFI_UNDER_LINKING|WIFI_UNDER_WPS) ||
check_fwstate(b_pmlmepriv, WIFI_AP_STATE) ||
check_fwstate(b_pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_ADHOC_STATE) ||
#if defined(CONFIG_88EU_P2P)
!rtw_p2p_chk_state(b_pwdinfo, P2P_STATE_NONE))
#else
0)
#endif
goto exit;
}
ret = true;
exit:
return ret;
}
void rtw_ps_processor(struct adapter *padapter)
{
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
enum rt_rf_power_state rfpwrstate;
pwrpriv->ps_processing = true;
if (pwrpriv->bips_processing)
goto exit;
if (padapter->pwrctrlpriv.bHWPwrPindetect) {
rfpwrstate = RfOnOffDetect(padapter);
DBG_88E("@@@@- #2 %s==> rfstate:%s\n", __func__, (rfpwrstate == rf_on) ? "rf_on" : "rf_off");
if (rfpwrstate != pwrpriv->rf_pwrstate) {
if (rfpwrstate == rf_off) {
pwrpriv->change_rfpwrstate = rf_off;
pwrpriv->brfoffbyhw = true;
padapter->bCardDisableWOHSM = true;
rtw_hw_suspend(padapter);
} else {
pwrpriv->change_rfpwrstate = rf_on;
rtw_hw_resume(padapter);
}
DBG_88E("current rf_pwrstate(%s)\n", (pwrpriv->rf_pwrstate == rf_off) ? "rf_off" : "rf_on");
}
pwrpriv->pwr_state_check_cnts++;
}
if (pwrpriv->ips_mode_req == IPS_NONE)
goto exit;
if (rtw_pwr_unassociated_idle(padapter) == false)
goto exit;
if ((pwrpriv->rf_pwrstate == rf_on) && ((pwrpriv->pwr_state_check_cnts%4) == 0)) {
DBG_88E("==>%s .fw_state(%x)\n", __func__, get_fwstate(pmlmepriv));
pwrpriv->change_rfpwrstate = rf_off;
ips_enter(padapter);
}
exit:
rtw_set_pwr_state_check_timer(&padapter->pwrctrlpriv);
pwrpriv->ps_processing = false;
return;
}
static void pwr_state_check_handler(void *FunctionContext)
{
struct adapter *padapter = (struct adapter *)FunctionContext;
rtw_ps_cmd(padapter);
}
/*
*
* Parameters
* padapter
* pslv power state level, only could be PS_STATE_S0 ~ PS_STATE_S4
*
*/
void rtw_set_rpwm(struct adapter *padapter, u8 pslv)
{
u8 rpwm;
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
_func_enter_;
pslv = PS_STATE(pslv);
if (pwrpriv->btcoex_rfon) {
if (pslv < PS_STATE_S4)
pslv = PS_STATE_S3;
}
if ((pwrpriv->rpwm == pslv)) {
RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
("%s: Already set rpwm[0x%02X], new=0x%02X!\n", __func__, pwrpriv->rpwm, pslv));
return;
}
if ((padapter->bSurpriseRemoved) ||
(!padapter->hw_init_completed)) {
RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
("%s: SurpriseRemoved(%d) hw_init_completed(%d)\n",
__func__, padapter->bSurpriseRemoved, padapter->hw_init_completed));
pwrpriv->cpwm = PS_STATE_S4;
return;
}
if (padapter->bDriverStopped) {
RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
("%s: change power state(0x%02X) when DriverStopped\n", __func__, pslv));
if (pslv < PS_STATE_S2) {
RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_,
("%s: Reject to enter PS_STATE(0x%02X) lower than S2 when DriverStopped!!\n", __func__, pslv));
return;
}
}
rpwm = pslv | pwrpriv->tog;
RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
("rtw_set_rpwm: rpwm=0x%02x cpwm=0x%02x\n", rpwm, pwrpriv->cpwm));
pwrpriv->rpwm = pslv;
rtw_hal_set_hwreg(padapter, HW_VAR_SET_RPWM, (u8 *)(&rpwm));
pwrpriv->tog += 0x80;
pwrpriv->cpwm = pslv;
_func_exit_;
}
static u8 PS_RDY_CHECK(struct adapter *padapter)
{
u32 curr_time, delta_time;
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
curr_time = rtw_get_current_time();
delta_time = curr_time - pwrpriv->DelayLPSLastTimeStamp;
if (delta_time < LPS_DELAY_TIME)
return false;
if ((check_fwstate(pmlmepriv, _FW_LINKED) == false) ||
(check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) ||
(check_fwstate(pmlmepriv, WIFI_AP_STATE)) ||
(check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) ||
(check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)))
return false;
if (pwrpriv->bInSuspend)
return false;
if ((padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) && (padapter->securitypriv.binstallGrpkey == false)) {
DBG_88E("Group handshake still in progress !!!\n");
return false;
}
return true;
}
void rtw_set_ps_mode(struct adapter *padapter, u8 ps_mode, u8 smart_ps, u8 bcn_ant_mode)
{
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
#ifdef CONFIG_88EU_P2P
struct wifidirect_info *pwdinfo = &(padapter->wdinfo);
#endif /* CONFIG_88EU_P2P */
_func_enter_;
RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_,
("%s: PowerMode=%d Smart_PS=%d\n",
__func__, ps_mode, smart_ps));
if (ps_mode > PM_Card_Disable) {
RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_err_, ("ps_mode:%d error\n", ps_mode));
return;
}
if (pwrpriv->pwr_mode == ps_mode) {
if (PS_MODE_ACTIVE == ps_mode)
return;
if ((pwrpriv->smart_ps == smart_ps) &&
(pwrpriv->bcn_ant_mode == bcn_ant_mode))
return;
}
/* if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) */
if (ps_mode == PS_MODE_ACTIVE) {
#ifdef CONFIG_88EU_P2P
if (pwdinfo->opp_ps == 0) {
DBG_88E("rtw_set_ps_mode: Leave 802.11 power save\n");
pwrpriv->pwr_mode = ps_mode;
rtw_set_rpwm(padapter, PS_STATE_S4);
rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
pwrpriv->bFwCurrentInPSMode = false;
}
} else {
#endif /* CONFIG_88EU_P2P */
if (PS_RDY_CHECK(padapter)) {
DBG_88E("%s: Enter 802.11 power save\n", __func__);
pwrpriv->bFwCurrentInPSMode = true;
pwrpriv->pwr_mode = ps_mode;
pwrpriv->smart_ps = smart_ps;
pwrpriv->bcn_ant_mode = bcn_ant_mode;
rtw_hal_set_hwreg(padapter, HW_VAR_H2C_FW_PWRMODE, (u8 *)(&ps_mode));
#ifdef CONFIG_88EU_P2P
/* Set CTWindow after LPS */
if (pwdinfo->opp_ps == 1)
p2p_ps_wk_cmd(padapter, P2P_PS_ENABLE, 0);
#endif /* CONFIG_88EU_P2P */
rtw_set_rpwm(padapter, PS_STATE_S2);
}
}
_func_exit_;
}
/*
* Return:
* 0: Leave OK
* -1: Timeout
* -2: Other error
*/
s32 LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms)
{
u32 start_time;
u8 bAwake = false;
s32 err = 0;
start_time = rtw_get_current_time();
while (1) {
rtw_hal_get_hwreg(padapter, HW_VAR_FWLPS_RF_ON, &bAwake);
if (bAwake)
break;
if (padapter->bSurpriseRemoved) {
err = -2;
DBG_88E("%s: device surprise removed!!\n", __func__);
break;
}
if (rtw_get_passing_time_ms(start_time) > delay_ms) {
err = -1;
DBG_88E("%s: Wait for FW LPS leave more than %u ms!!!\n", __func__, delay_ms);
break;
}
rtw_usleep_os(100);
}
return err;
}
/* */
/* Description: */
/* Enter the leisure power save mode. */
/* */
void LPS_Enter(struct adapter *padapter)
{
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
_func_enter_;
if (PS_RDY_CHECK(padapter) == false)
return;
if (pwrpriv->bLeisurePs) {
/* Idle for a while if we connect to AP a while ago. */
if (pwrpriv->LpsIdleCount >= 2) { /* 4 Sec */
if (pwrpriv->pwr_mode == PS_MODE_ACTIVE) {
pwrpriv->bpower_saving = true;
DBG_88E("%s smart_ps:%d\n", __func__, pwrpriv->smart_ps);
/* For Tenda W311R IOT issue */
rtw_set_ps_mode(padapter, pwrpriv->power_mgnt, pwrpriv->smart_ps, 0);
}
} else {
pwrpriv->LpsIdleCount++;
}
}
_func_exit_;
}
#define LPS_LEAVE_TIMEOUT_MS 100
/* Description: */
/* Leave the leisure power save mode. */
void LPS_Leave(struct adapter *padapter)
{
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
_func_enter_;
if (pwrpriv->bLeisurePs) {
if (pwrpriv->pwr_mode != PS_MODE_ACTIVE) {
rtw_set_ps_mode(padapter, PS_MODE_ACTIVE, 0, 0);
if (pwrpriv->pwr_mode == PS_MODE_ACTIVE)
LPS_RF_ON_check(padapter, LPS_LEAVE_TIMEOUT_MS);
}
}
pwrpriv->bpower_saving = false;
_func_exit_;
}
/* */
/* Description: Leave all power save mode: LPS, FwLPS, IPS if needed. */
/* Move code to function by tynli. 2010.03.26. */
/* */
void LeaveAllPowerSaveMode(struct adapter *Adapter)
{
struct mlme_priv *pmlmepriv = &(Adapter->mlmepriv);
u8 enqueue = 0;
_func_enter_;
if (check_fwstate(pmlmepriv, _FW_LINKED)) { /* connect */
p2p_ps_wk_cmd(Adapter, P2P_PS_DISABLE, enqueue);
rtw_lps_ctrl_wk_cmd(Adapter, LPS_CTRL_LEAVE, enqueue);
}
_func_exit_;
}
void rtw_init_pwrctrl_priv(struct adapter *padapter)
{
struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
_func_enter_;
_init_pwrlock(&pwrctrlpriv->lock);
pwrctrlpriv->rf_pwrstate = rf_on;
pwrctrlpriv->ips_enter_cnts = 0;
pwrctrlpriv->ips_leave_cnts = 0;
pwrctrlpriv->bips_processing = false;
pwrctrlpriv->ips_mode = padapter->registrypriv.ips_mode;
pwrctrlpriv->ips_mode_req = padapter->registrypriv.ips_mode;
pwrctrlpriv->pwr_state_check_interval = RTW_PWR_STATE_CHK_INTERVAL;
pwrctrlpriv->pwr_state_check_cnts = 0;
pwrctrlpriv->bInternalAutoSuspend = false;
pwrctrlpriv->bInSuspend = false;
pwrctrlpriv->bkeepfwalive = false;
pwrctrlpriv->LpsIdleCount = 0;
if (padapter->registrypriv.mp_mode == 1)
pwrctrlpriv->power_mgnt = PS_MODE_ACTIVE ;
else
pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt;/* PS_MODE_MIN; */
pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt) ? true : false;
pwrctrlpriv->bFwCurrentInPSMode = false;
pwrctrlpriv->rpwm = 0;
pwrctrlpriv->cpwm = PS_STATE_S4;
pwrctrlpriv->pwr_mode = PS_MODE_ACTIVE;
pwrctrlpriv->smart_ps = padapter->registrypriv.smart_ps;
pwrctrlpriv->bcn_ant_mode = 0;
pwrctrlpriv->tog = 0x80;
pwrctrlpriv->btcoex_rfon = false;
_init_timer(&(pwrctrlpriv->pwr_state_check_timer), padapter->pnetdev, pwr_state_check_handler, (u8 *)padapter);
_func_exit_;
}
void rtw_free_pwrctrl_priv(struct adapter *adapter)
{
struct pwrctrl_priv *pwrctrlpriv = &adapter->pwrctrlpriv;
_func_enter_;
_free_pwrlock(&pwrctrlpriv->lock);
_func_exit_;
}
u8 rtw_interface_ps_func(struct adapter *padapter, enum hal_intf_ps_func efunc_id, u8 *val)
{
u8 bResult = true;
rtw_hal_intf_ps_func(padapter, efunc_id, val);
return bResult;
}
inline void rtw_set_ips_deny(struct adapter *padapter, u32 ms)
{
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ms);
}
/*
* rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend
* @adapter: pointer to struct adapter structure
* @ips_deffer_ms: the ms wiil prevent from falling into IPS after wakeup
* Return _SUCCESS or _FAIL
*/
int _rtw_pwr_wakeup(struct adapter *padapter, u32 ips_deffer_ms, const char *caller)
{
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
int ret = _SUCCESS;
if (pwrpriv->ips_deny_time < rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms))
pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms);
{
u32 start = rtw_get_current_time();
if (pwrpriv->ps_processing) {
DBG_88E("%s wait ps_processing...\n", __func__);
while (pwrpriv->ps_processing && rtw_get_passing_time_ms(start) <= 3000)
rtw_msleep_os(10);
if (pwrpriv->ps_processing)
DBG_88E("%s wait ps_processing timeout\n", __func__);
else
DBG_88E("%s wait ps_processing done\n", __func__);
}
}
/* System suspend is not allowed to wakeup */
if ((!pwrpriv->bInternalAutoSuspend) && (pwrpriv->bInSuspend)) {
ret = _FAIL;
goto exit;
}
/* block??? */
if ((pwrpriv->bInternalAutoSuspend) && (padapter->net_closed)) {
ret = _FAIL;
goto exit;
}
/* I think this should be check in IPS, LPS, autosuspend functions... */
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
ret = _SUCCESS;
goto exit;
}
if (rf_off == pwrpriv->rf_pwrstate) {
DBG_88E("%s call ips_leave....\n", __func__);
if (_FAIL == ips_leave(padapter)) {
DBG_88E("======> ips_leave fail.............\n");
ret = _FAIL;
goto exit;
}
}
/* TODO: the following checking need to be merged... */
if (padapter->bDriverStopped || !padapter->bup ||
!padapter->hw_init_completed) {
DBG_88E("%s: bDriverStopped=%d, bup=%d, hw_init_completed =%u\n"
, caller
, padapter->bDriverStopped
, padapter->bup
, padapter->hw_init_completed);
ret = false;
goto exit;
}
exit:
if (pwrpriv->ips_deny_time < rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms))
pwrpriv->ips_deny_time = rtw_get_current_time() + rtw_ms_to_systime(ips_deffer_ms);
return ret;
}
int rtw_pm_set_lps(struct adapter *padapter, u8 mode)
{
int ret = 0;
struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
if (mode < PS_MODE_NUM) {
if (pwrctrlpriv->power_mgnt != mode) {
if (PS_MODE_ACTIVE == mode)
LeaveAllPowerSaveMode(padapter);
else
pwrctrlpriv->LpsIdleCount = 2;
pwrctrlpriv->power_mgnt = mode;
pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt) ? true : false;
}
} else {
ret = -EINVAL;
}
return ret;
}
int rtw_pm_set_ips(struct adapter *padapter, u8 mode)
{
struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
if (mode == IPS_NORMAL || mode == IPS_LEVEL_2) {
rtw_ips_mode_req(pwrctrlpriv, mode);
DBG_88E("%s %s\n", __func__, mode == IPS_NORMAL ? "IPS_NORMAL" : "IPS_LEVEL_2");
return 0;
} else if (mode == IPS_NONE) {
rtw_ips_mode_req(pwrctrlpriv, mode);
DBG_88E("%s %s\n", __func__, "IPS_NONE");
if ((padapter->bSurpriseRemoved == 0) && (_FAIL == rtw_pwr_wakeup(padapter)))
return -EFAULT;
} else {
return -EINVAL;
}
return 0;
}