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Commit 2ff6578b authored by Wey-Yi Guy's avatar Wey-Yi Guy Committed by John W. Linville
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iwlwifi: find the correct first antenna 



We can not assume antenna "A" is the first valid anttena for
all the NIC. Need to make sure choice the correct antenna based on
h/w configuration for transmit to avoid sending frame on invalid
antenna

Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarReinette Chatre <reinette.chatre@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 0aae511c

drivers/net/wireless/iwlwifi/iwl-agn-rs.c

+3 −1
Original line number Diff line number Diff line
@@ -760,6 +760,7 @@ static u32 rs_get_lower_rate(struct iwl_lq_sta *lq_sta, 
	u16 high_low;

	u8 switch_to_legacy = 0;

	u8 is_green = lq_sta->is_green;

	struct iwl_priv *priv = lq_sta->drv;



	/* check if we need to switch from HT to legacy rates.

	 * assumption is that mandatory rates (1Mbps or 6Mbps)
@@ -773,7 +774,8 @@ static u32 rs_get_lower_rate(struct iwl_lq_sta *lq_sta, 
			tbl->lq_type = LQ_G;



		if (num_of_ant(tbl->ant_type) > 1)

			tbl->ant_type = ANT_A;/*FIXME:RS*/

			tbl->ant_type =

				first_antenna(priv->hw_params.valid_tx_ant);



		tbl->is_ht40 = 0;

		tbl->is_SGI = 0;