iwlwifi: add LED mode to support different LED behavior
Today's implementation allow LED to blink based on the traffic condition. We introduce an additional LED mode that reflects the RF state. The supported LED modes after this are: IWL_LED_BLINK (current/default) - blink rate based on current Tx/Rx traffic IWL_LED_RF_STATE (new) - LED OFF: No power/RF disabled, the LED is emitting no light LED ON: Powered/RF enabled, the LED is emitting light in a stable non-flashing state. In order to provide the flexibility to support different LED behavior per user/system preference we add "led_mode" iwlcore module parameter. 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>
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@ -42,6 +42,12 @@
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#include "iwl-core.h"
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#include "iwl-io.h"
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/* default: IWL_LED_BLINK(0) using blinking index table */
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static int led_mode;
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module_param(led_mode, int, S_IRUGO);
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MODULE_PARM_DESC(led_mode, "led mode: 0=blinking, 1=On(RF On)/Off(RF Off), "
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"(default 0)\n");
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#ifdef CONFIG_IWLWIFI_DEBUG
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static const char *led_type_str[] = {
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__stringify(IWL_LED_TRG_TX),
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@ -199,6 +205,7 @@ static int iwl_led_off_reg(struct iwl_priv *priv, int led_id)
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static int iwl_led_associate(struct iwl_priv *priv, int led_id)
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{
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IWL_DEBUG_LED(priv, "Associated\n");
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if (led_mode == IWL_LED_BLINK)
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priv->allow_blinking = 1;
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return iwl_led_on_reg(priv, led_id);
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}
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@ -47,6 +47,18 @@ enum led_type {
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IWL_LED_TRG_RADIO,
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IWL_LED_TRG_MAX,
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};
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/*
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* LED mode
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* IWL_LED_BLINK: adjust led blink rate based on blink table
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* IWL_LED_RF_STATE: turn LED on/off based on RF state
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* LED ON = RF ON
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* LED OFF = RF OFF
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*/
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enum iwl_led_mode {
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IWL_LED_BLINK,
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IWL_LED_RF_STATE,
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};
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#endif
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#ifdef CONFIG_IWLWIFI_LEDS
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