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authorJohannes Berg <johannes.berg@intel.com>2010-06-18 01:38:56 -0700
committerReinette Chatre <reinette.chatre@intel.com>2010-06-25 15:20:18 -0700
commit0ab84cff8befbea342576cd6dc21026d5c9244df (patch)
tree05b6640ae1208c0af7c395a8d36fec3efbcbe313 /drivers
parent278c2f6faafebe28b9776918ce5fbaef9795c141 (diff)
iwlwifi: read rfkill during resume
When resuming from hibernate or suspend, the status of the rfkill switch isn't known since it might have been toggled while the system was asleep. Therefore, we need to read out the status at resume time to make sure the system knows about an up-to-date status. Reported-by: Mark Tung <mark.y.tung@intel.com> Tested-by: Mark Tung <mark.y.tung@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index f47a58ff325..a56fb466d0b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2845,6 +2845,7 @@ int iwl_pci_resume(struct pci_dev *pdev)
{
struct iwl_priv *priv = pci_get_drvdata(pdev);
int ret;
+ bool hw_rfkill = false;
/*
* We disable the RETRY_TIMEOUT register (0x41) to keep
@@ -2859,6 +2860,17 @@ int iwl_pci_resume(struct pci_dev *pdev)
pci_restore_state(pdev);
iwl_enable_interrupts(priv);
+ if (!(iwl_read32(priv, CSR_GP_CNTRL) &
+ CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
+ hw_rfkill = true;
+
+ if (hw_rfkill)
+ set_bit(STATUS_RF_KILL_HW, &priv->status);
+ else
+ clear_bit(STATUS_RF_KILL_HW, &priv->status);
+
+ wiphy_rfkill_set_hw_state(priv->hw->wiphy, hw_rfkill);
+
return 0;
}
EXPORT_SYMBOL(iwl_pci_resume);