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path: root/drivers/net/wireless/iwlwifi/iwl-led.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-led.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-led.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c
index 0d90004e8b1b..d798c2a152d3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-led.c
+++ b/drivers/net/wireless/iwlwifi/iwl-led.c
@@ -61,6 +61,12 @@ static const struct ieee80211_tpt_blink iwl_blink[] = {
{ .throughput = 300 * 1024 - 1, .blink_time = 50 },
};
+/* Set led register off */
+void iwlagn_led_enable(struct iwl_priv *priv)
+{
+ iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_ON);
+}
+
/*
* Adjust led blink rate to compensate on a MAC Clock difference on every HW
* Led blink rate analysis showed an average deviation of 20% on 5000 series
@@ -84,6 +90,24 @@ static inline u8 iwl_blink_compensation(struct iwl_priv *priv,
return (u8)((time * compensation) >> 6);
}
+static int iwl_send_led_cmd(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd)
+{
+ struct iwl_host_cmd cmd = {
+ .id = REPLY_LEDS_CMD,
+ .len = sizeof(struct iwl_led_cmd),
+ .data = led_cmd,
+ .flags = CMD_ASYNC,
+ .callback = NULL,
+ };
+ u32 reg;
+
+ reg = iwl_read32(priv, CSR_LED_REG);
+ if (reg != (reg & CSR_LED_BSM_CTRL_MSK))
+ iwl_write32(priv, CSR_LED_REG, reg & CSR_LED_BSM_CTRL_MSK);
+
+ return iwl_send_cmd(priv, &cmd);
+}
+
/* Set led pattern command */
static int iwl_led_cmd(struct iwl_priv *priv,
unsigned long on,
@@ -108,7 +132,7 @@ static int iwl_led_cmd(struct iwl_priv *priv,
led_cmd.off = iwl_blink_compensation(priv, off,
priv->cfg->base_params->led_compensation);
- ret = priv->cfg->ops->led->cmd(priv, &led_cmd);
+ ret = iwl_send_led_cmd(priv, &led_cmd);
if (!ret) {
priv->blink_on = on;
priv->blink_off = off;