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iwlagn: add power_save module parameter

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Add power_save module parameter to enable power management if needed
Default power management is disabled.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
This commit is contained in:
Wey-Yi Guy 2011-06-11 10:00:05 -07:00
parent 705cd4513a
commit 0172b02926
2 changed files with 10 additions and 5 deletions
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14
drivers/net/wireless/iwlwifi/iwl-agn.c
View file

@ -2545,11 +2545,10 @@ static int iwl_mac_setup_register(struct iwl_priv *priv,
WIPHY_FLAG_DISABLE_BEACON_HINTS |
WIPHY_FLAG_IBSS_RSN;
/*
* For now, disable PS by default because it affects
* RX performance significantly.
*/
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
if (iwlagn_mod_params.power_save)
hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
else
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
/* we create the 802.11 header and a zero-length SSID element */
@ -3827,6 +3826,11 @@ module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO);
MODULE_PARM_DESC(led_mode, "0=system default, "
"1=On(RF On)/Off(RF Off), 2=blinking (default: 0)");
module_param_named(power_save, iwlagn_mod_params.power_save,
bool, S_IRUGO);
MODULE_PARM_DESC(power_save,
"enable WiFi power management (default: disable)");
/*
* For now, keep using power level 1 instead of automatically
* adjusting ...

1
drivers/net/wireless/iwlwifi/iwl-core.h
View file

@ -163,6 +163,7 @@ struct iwl_mod_params {
bool bt_coex_active; /* def: true = enable bt coex */
int led_mode; /* def: 0 = system default */
bool no_sleep_autoadjust; /* def: true = disable autoadjust */
bool power_save; /* def: false = disable power save */
};
/*