From: Shanyu Zhao <shanyu.zhao@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-agn-calib.c | 19 +++++++++++--------
1 files changed, 11 insertions(+), 8 deletions(-)
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 @@ static void iwl_find_disconn_antenna(struct iwl_priv *priv, u32* average_sig,
* 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 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, void *stat_resp)
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 /
--
1.7.0.4
--
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