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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: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy 2009-09-11 10:38:18 -07:00 committed by John W. Linville
parent de0bd50845
commit 4a86eaa46d
1 changed files with 3 additions and 1 deletions
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4
drivers/net/wireless/iwlwifi/iwl-agn-rs.c
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@ -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;