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path: root/drivers/net/wireless/iwlwifi/iwl4965-base.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl4965-base.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl4965-base.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 94ce026ba602..ac02342d2281 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -1262,6 +1262,37 @@ static void iwl4965_rx_card_state_notif(struct iwl_priv *priv,
1262 wake_up_interruptible(&priv->wait_command_queue); 1262 wake_up_interruptible(&priv->wait_command_queue);
1263} 1263}
1264 1264
1265int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src)
1266{
1267 int ret;
1268 unsigned long flags;
1269
1270 spin_lock_irqsave(&priv->lock, flags);
1271 ret = iwl_grab_nic_access(priv);
1272 if (ret)
1273 goto err;
1274
1275 if (src == IWL_PWR_SRC_VAUX) {
1276 u32 val;
1277 ret = pci_read_config_dword(priv->pci_dev, PCI_POWER_SOURCE,
1278 &val);
1279
1280 if (val & PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT)
1281 iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG,
1282 APMG_PS_CTRL_VAL_PWR_SRC_VAUX,
1283 ~APMG_PS_CTRL_MSK_PWR_SRC);
1284 } else {
1285 iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG,
1286 APMG_PS_CTRL_VAL_PWR_SRC_VMAIN,
1287 ~APMG_PS_CTRL_MSK_PWR_SRC);
1288 }
1289
1290 iwl_release_nic_access(priv);
1291err:
1292 spin_unlock_irqrestore(&priv->lock, flags);
1293 return ret;
1294}
1295
1265/** 1296/**
1266 * iwl4965_setup_rx_handlers - Initialize Rx handler callbacks 1297 * iwl4965_setup_rx_handlers - Initialize Rx handler callbacks
1267 * 1298 *