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authorJohn W. Linville <linville@tuxdriver.com>2011-04-25 14:34:25 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-04-25 14:34:25 -0400
commitcfef6047c4027a8448ec8dafeaf2bb362cc882e4 (patch)
treec254bd25aa8b4b0696b5b5cc45d8e30c7c1bb9dd /drivers/net/wireless/iwlwifi/iwl-led.c
parentb71d1d426d263b0b6cb5760322efebbfc89d4463 (diff)
parent73b48099cc265f88fa1255f3f43e52fe6a94fd5c (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts: drivers/net/wireless/iwlwifi/iwl-core.c drivers/net/wireless/rt2x00/rt2x00queue.c drivers/net/wireless/rt2x00/rt2x00queue.h
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-led.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-led.c30
1 files changed, 27 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c
index c2862d4e00e3..d798c2a152d3 100644
--- a/drivers/net/wireless/iwlwifi/iwl-led.c
+++ b/drivers/net/wireless/iwlwifi/iwl-led.c
@@ -61,10 +61,16 @@ 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 0% on 3945,
- * 5% on 4965 HW and 20% on 5000 series and up.
+ * Led blink rate analysis showed an average deviation of 20% on 5000 series
+ * and up.
* Need to compensate on the led on/off time per HW according to the deviation
* to achieve the desired led frequency
* The calculation is: (100-averageDeviation)/100 * blinkTime
@@ -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;