iwlwifi: make scan antenna forcing more generic
Some future hardware will also require some antenna
overrides so make the current logic more generic;
right now it is semantically based on a workaround
for off-channel reception but the reasons for the
new antenna overrides will be different.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index ccf3357..4bd0aec 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -1405,13 +1405,6 @@
* detect transmissions.
*/
scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH : 0;
-
- /* Force use of chains B and C (0x6) for scan Rx
- * Avoid A (0x1) for the device has off-channel reception
- * on A-band.
- */
- if (priv->cfg->off_channel_workaround)
- rx_ant = ANT_BC;
break;
default:
IWL_WARN(priv, "Invalid scan band count\n");
@@ -1420,6 +1413,9 @@
band = priv->scan_band;
+ if (priv->cfg->scan_antennas[band])
+ rx_ant = priv->cfg->scan_antennas[band];
+
priv->scan_tx_ant[band] =
iwl_toggle_tx_ant(priv, priv->scan_tx_ant[band]);
rate_flags |= iwl_ant_idx_to_flags(priv->scan_tx_ant[band]);