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- /******************************************************************************
- *
- * 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 <usb_ops_linux.h>
- #include <linux/usb.h>
- static int rtw_hw_suspend(struct adapter *padapter)
- {
- struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
- struct net_device *pnetdev = padapter->pnetdev;
- if ((!padapter->bup) || (padapter->bDriverStopped) ||
- (padapter->bSurpriseRemoved)) {
- DBG_88E("padapter->bup=%d bDriverStopped=%d bSurpriseRemoved = %d\n",
- padapter->bup, padapter->bDriverStopped,
- padapter->bSurpriseRemoved);
- goto error_exit;
- }
- /* system suspend */
- LeaveAllPowerSaveMode(padapter);
- DBG_88E("==> rtw_hw_suspend\n");
- _enter_pwrlock(&pwrpriv->lock);
- pwrpriv->bips_processing = true;
- /* s1. */
- if (pnetdev) {
- netif_carrier_off(pnetdev);
- netif_tx_stop_all_queues(pnetdev);
- }
- /* s2. */
- rtw_disassoc_cmd(padapter, 500, false);
- /* s2-2. indicate disconnect to os */
- {
- struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
- if (check_fwstate(pmlmepriv, _FW_LINKED)) {
- _clr_fwstate_(pmlmepriv, _FW_LINKED);
- rtw_led_control(padapter, LED_CTL_NO_LINK);
- rtw_os_indicate_disconnect(padapter);
- /* donnot enqueue cmd */
- rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 0);
- }
- }
- /* s2-3. */
- rtw_free_assoc_resources(padapter);
- /* s2-4. */
- rtw_free_network_queue(padapter, true);
- rtw_ips_dev_unload(padapter);
- pwrpriv->rf_pwrstate = rf_off;
- pwrpriv->bips_processing = false;
- _exit_pwrlock(&pwrpriv->lock);
- return 0;
- error_exit:
- DBG_88E("%s, failed\n", __func__);
- return -1;
- }
- static int rtw_hw_resume(struct adapter *padapter)
- {
- struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
- struct net_device *pnetdev = padapter->pnetdev;
- /* system resume */
- DBG_88E("==> rtw_hw_resume\n");
- _enter_pwrlock(&pwrpriv->lock);
- pwrpriv->bips_processing = true;
- rtw_reset_drv_sw(padapter);
- if (pm_netdev_open(pnetdev, false) != 0) {
- _exit_pwrlock(&pwrpriv->lock);
- goto error_exit;
- }
- netif_device_attach(pnetdev);
- netif_carrier_on(pnetdev);
- if (!netif_queue_stopped(pnetdev))
- netif_start_queue(pnetdev);
- else
- netif_wake_queue(pnetdev);
- pwrpriv->bkeepfwalive = false;
- pwrpriv->brfoffbyhw = false;
- pwrpriv->rf_pwrstate = rf_on;
- pwrpriv->bips_processing = false;
- _exit_pwrlock(&pwrpriv->lock);
- return 0;
- error_exit:
- DBG_88E("%s, Open net dev failed\n", __func__);
- return -1;
- }
- 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", usb_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 mlme_priv *pmlmepriv = &(adapter->mlmepriv);
- bool ret = false;
- if (time_after_eq(adapter->pwrctrlpriv.ips_deny_time, jiffies))
- 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))
- 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;
- 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))
- 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;
- }
- static void pwr_state_check_handler(unsigned long data)
- {
- struct adapter *padapter = (struct adapter *)data;
- 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;
- 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;
- }
- 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 = jiffies;
- 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;
- 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) {
- 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));
- rtw_set_rpwm(padapter, PS_STATE_S2);
- }
- }
- }
- /*
- * 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 = jiffies;
- 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;
- }
- msleep(1);
- }
- return err;
- }
- /* */
- /* Description: */
- /* Enter the leisure power save mode. */
- /* */
- void LPS_Enter(struct adapter *padapter)
- {
- struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
- 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++;
- }
- }
- }
- #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;
- 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;
- }
- /* */
- /* 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;
- if (check_fwstate(pmlmepriv, _FW_LINKED))
- rtw_lps_ctrl_wk_cmd(Adapter, LPS_CTRL_LEAVE, enqueue);
- }
- void rtw_init_pwrctrl_priv(struct adapter *padapter)
- {
- struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv;
- _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;
- setup_timer(&pwrctrlpriv->pwr_state_check_timer,
- pwr_state_check_handler,
- (unsigned long)padapter);
- }
- /*
- * rtw_pwr_wakeup - Wake the NIC up from: 1)IPS. 2)USB autosuspend
- * @adapter: pointer to struct adapter structure
- * @ips_deffer_ms: the ms will 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;
- unsigned long expires;
- int ret = _SUCCESS;
- expires = jiffies + msecs_to_jiffies(ips_deffer_ms);
- if (time_before(pwrpriv->ips_deny_time, expires))
- pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(ips_deffer_ms);
- {
- u32 start = jiffies;
- if (pwrpriv->ps_processing) {
- DBG_88E("%s wait ps_processing...\n", __func__);
- while (pwrpriv->ps_processing && rtw_get_passing_time_ms(start) <= 3000)
- usleep_range(1000, 3000);
- 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:
- expires = jiffies + msecs_to_jiffies(ips_deffer_ms);
- if (time_before(pwrpriv->ips_deny_time, expires))
- pwrpriv->ips_deny_time = jiffies + msecs_to_jiffies(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;
- }
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