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iwlwifi: print warning about disconnected antennas 

When we detect that not all antennas are
properly connected, we simply disable the
associated chains, but never notify the
user at all. Print out a warning so it is
obvious that happened and we know where
to start looking for related issues.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
This commit is contained in:
Johannes Berg 2010-06-09 01:46:32 -07:00 committed by Reinette Chatre
parent 2fb291eea7
commit aa9746af8f
1 changed files with 7 additions and 0 deletions
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7
drivers/net/wireless/iwlwifi/iwl-calib.c
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@ -846,6 +846,13 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv,
} }
} }
if (active_chains != priv->hw_params.valid_rx_ant &&
active_chains != priv->chain_noise_data.active_chains)
IWL_WARN(priv,
"Detected that not all antennas are connected! "
"Connected: %#x, valid: %#x.\n",
active_chains, priv->hw_params.valid_rx_ant);
/* Save for use within RXON, TX, SCAN commands, etc. */ /* Save for use within RXON, TX, SCAN commands, etc. */
priv->chain_noise_data.active_chains = active_chains; priv->chain_noise_data.active_chains = active_chains;
IWL_DEBUG_CALIB(priv, "active_chains (bitwise) = 0x%x\n", IWL_DEBUG_CALIB(priv, "active_chains (bitwise) = 0x%x\n",