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iwlegacy: set tx power after rxon_assoc 

If settings of tx power was deferred during scan or changing channel we
have to setup them during commit rxon. Fix problem on 3945 (4965 already
has this fix).

Optimize code to apply tx settings only when tx power was actually
changed.

Cc: stable@kernel.org # 2.6.39+
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Stanislaw Gruszka 2011-07-27 15:37:43 +02:00 committed by John W. Linville
parent c1227340ca
commit 17e859a899
2 changed files with 11 additions and 3 deletions
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6
drivers/net/wireless/iwlegacy/iwl-3945.c
View File

@ -1746,7 +1746,11 @@ int iwl3945_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
}
memcpy(active_rxon, staging_rxon, sizeof(*active_rxon));
/*
* We do not commit tx power settings while channel changing,
* do it now if tx power changed.
*/
iwl_legacy_set_tx_power(priv, priv->tx_power_next, false);
return 0;
}

8
drivers/net/wireless/iwlegacy/iwl-4965.c
View File

@ -1235,7 +1235,12 @@ static int iwl4965_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *c
memcpy(active_rxon, &ctx->staging, sizeof(*active_rxon));
iwl_legacy_print_rx_config_cmd(priv, ctx);
goto set_tx_power;
/*
* We do not commit tx power settings while channel changing,
* do it now if tx power changed.
*/
iwl_legacy_set_tx_power(priv, priv->tx_power_next, false);
return 0;
}
/* If we are currently associated and the new config requires
@ -1315,7 +1320,6 @@ static int iwl4965_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *c
iwl4965_init_sensitivity(priv);
set_tx_power:
/* If we issue a new RXON command which required a tune then we must
* send a new TXPOWER command or we won't be able to Tx any frames */
ret = iwl_legacy_set_tx_power(priv, priv->tx_power_next, true);