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iwlwifi: fix power index handling 

The power index that the user gives as module parameter
in in range 1-5, but we need to decrease it in order
to create an array index out of it (0-4) for the power
table command.

Signed-off-by: Amit Beka <amit.beka@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Amit Beka 2012-05-03 14:22:04 -07:00 committed by John W. Linville
parent f6be8b7845
commit 11e116517b
1 changed files with 6 additions and 2 deletions
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8
drivers/net/wireless/iwlwifi/iwl-power.c
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@ -253,6 +253,8 @@ static void iwl_static_sleep_cmd(struct iwl_priv *priv,
IWL_DEBUG_POWER(priv, "numSkipDtim = %u, dtimPeriod = %d\n",
skip, period);
/* The power level here is 0-4 (used as array index), but user expects
to see 1-5 (according to spec). */
IWL_DEBUG_POWER(priv, "Sleep command for index %d\n", lvl + 1);
}
@ -308,10 +310,12 @@ static void iwl_power_build_cmd(struct iwl_priv *priv,
priv->power_data.debug_sleep_level_override,
dtimper);
else {
/* Note that the user parameter is 1-5 (according to spec),
but we pass 0-4 because it acts as an array index. */
if (iwlwifi_mod_params.power_level > IWL_POWER_INDEX_1 &&
iwlwifi_mod_params.power_level <= IWL_POWER_INDEX_5)
iwlwifi_mod_params.power_level <= IWL_POWER_NUM)
iwl_static_sleep_cmd(priv, cmd,
iwlwifi_mod_params.power_level, dtimper);
iwlwifi_mod_params.power_level - 1, dtimper);
else
iwl_static_sleep_cmd(priv, cmd,
IWL_POWER_INDEX_1, dtimper);