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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2009-10-23 13:42:20 -0700
committerJohn W. Linville <linville@tuxdriver.com>2009-10-27 16:49:58 -0400
commit065e63b00cf13919010bbeff48f7a120033be448 (patch)
tree92ee3ae5f5215e8c4f02171538a9df431b270a02 /drivers
parent1a5c3d61993f56daf15c35bea8d3943f4e835638 (diff)
iwlwifi: fix gain computation for 5000 series and up
In Rx gain balancing (chain noise) computation for 5000 series and up, the delta gain calculation should use the average noise of default chain, not "chain 0" which do not exist for all the devices. 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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 17555c7c1d6..afa88a30415 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -236,7 +236,7 @@ static void iwl5000_gain_computation(struct iwl_priv *priv,
data->delta_gain_code[i] = 0;
continue;
}
- delta_g = (1000 * ((s32)average_noise[0] -
+ delta_g = (1000 * ((s32)average_noise[default_chain] -
(s32)average_noise[i])) / 1500;
/* bound gain by 2 bits value max, 3rd bit is sign */
data->delta_gain_code[i] =