iwlwifi: disable disconnected antenna for advanced bt coex
Disconnected antenna algorithm is used to find out which antennas are
disconnected. It should be disabled for devices that support advanced
bluetooth coexist.
Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
index b4cfc3c..d16bb5e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
@@ -801,13 +801,7 @@
* To be safe, simply mask out any chains that we know
* are not on the device.
*/
- if (priv->cfg->bt_params &&
- priv->cfg->bt_params->advanced_bt_coexist &&
- priv->bt_full_concurrent) {
- /* operated as 1x1 in full concurrency mode */
- active_chains &= first_antenna(priv->hw_params.valid_rx_ant);
- } else
- active_chains &= priv->hw_params.valid_rx_ant;
+ active_chains &= priv->hw_params.valid_rx_ant;
num_tx_chains = 0;
for (i = 0; i < NUM_RX_CHAINS; i++) {
@@ -985,7 +979,16 @@
return;
/* Analyze signal for disconnected antenna */
- iwl_find_disconn_antenna(priv, average_sig, data);
+ if (priv->cfg->bt_params &&
+ priv->cfg->bt_params->advanced_bt_coexist) {
+ /* Disable disconnected antenna algorithm for advanced
+ bt coex, assuming valid antennas are connected */
+ data->active_chains = priv->hw_params.valid_rx_ant;
+ for (i = 0; i < NUM_RX_CHAINS; i++)
+ if (!(data->active_chains & (1<<i)))
+ data->disconn_array[i] = 1;
+ } else
+ iwl_find_disconn_antenna(priv, average_sig, data);
/* Analyze noise for rx balance */
average_noise[0] = data->chain_noise_a /