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authorAbhijeet Kolekar <abhijeet.kolekar@intel.com>2009-05-21 13:44:21 -0700
committerJohn W. Linville <linville@tuxdriver.com>2009-05-22 14:06:02 -0400
commit749e091ee0065ed366cc26c115abc237e07ed786 (patch)
tree77ecf16d1e104bb323f27b8696cb9ffab7aaae87 /drivers
parent2c7e57981f24e9f8b732ecf1c01e16111d21b7a5 (diff)
iwl3945: improve 3945 leds
'tpt' is a delta throughput (number of packets) and is corelated to brightness of the LED. We already maintain a delta of packets in rxtxpackets. There is no need to calculate this delta again which was affecting the behaviour of LEDS. Also add two new callback functions for ASSOCIATED/DISASSOCIATED states where LED's will be *on* for associated state and *off* for disassociated state. This fixes http://www.intellinuxwireless.org/bugzilla/show_bug.cgi?id=1771. Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945-led.c70
1 files changed, 46 insertions, 24 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-led.c b/drivers/net/wireless/iwlwifi/iwl-3945-led.c
index ac22f59be9e..bd7e520d98c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-led.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-led.c
@@ -44,6 +44,15 @@
#include "iwl-core.h"
#include "iwl-dev.h"
+#ifdef CONFIG_IWLWIFI_DEBUG
+static const char *led_type_str[] = {
+ __stringify(IWL_LED_TRG_TX),
+ __stringify(IWL_LED_TRG_RX),
+ __stringify(IWL_LED_TRG_ASSOC),
+ __stringify(IWL_LED_TRG_RADIO),
+ NULL
+};
+#endif /* CONFIG_IWLWIFI_DEBUG */
static const struct {
u16 brightness;
@@ -61,7 +70,7 @@ static const struct {
{10, 110, 110},
{5, 130, 130},
{0, 167, 167},
- /*SOLID_ON*/
+ /* SOLID_ON */
{-1, IWL_LED_SOLID, 0}
};
@@ -143,6 +152,30 @@ static int iwl3945_led_off(struct iwl_priv *priv, int led_id)
}
/*
+ * Set led on in case of association
+ * */
+static int iwl3945_led_associate(struct iwl_priv *priv, int led_id)
+{
+ IWL_DEBUG_LED(priv, "Associated\n");
+
+ priv->allow_blinking = 1;
+ return iwl3945_led_on(priv, led_id);
+}
+/* Set Led off in case of disassociation */
+static int iwl3945_led_disassociate(struct iwl_priv *priv, int led_id)
+{
+ IWL_DEBUG_LED(priv, "Disassociated\n");
+
+ priv->allow_blinking = 0;
+ if (iwl_is_rfkill(priv))
+ iwl3945_led_off(priv, led_id);
+ else
+ iwl3945_led_on(priv, led_id);
+
+ return 0;
+}
+
+/*
* brightness call back function for Tx/Rx LED
*/
static int iwl3945_led_associated(struct iwl_priv *priv, int led_id)
@@ -165,26 +198,21 @@ static void iwl3945_led_brightness_set(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
struct iwl_led *led = container_of(led_cdev,
- struct iwl_led, led_dev);
+ struct iwl_led, led_dev);
struct iwl_priv *priv = led->priv;
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return;
+ IWL_DEBUG_LED(priv, "Led type = %s brightness = %d\n",
+ led_type_str[led->type], brightness);
+
switch (brightness) {
case LED_FULL:
- if (led->type == IWL_LED_TRG_ASSOC) {
- priv->allow_blinking = 1;
- IWL_DEBUG_LED(priv, "MAC is associated\n");
- }
if (led->led_on)
led->led_on(priv, IWL_LED_LINK);
break;
case LED_OFF:
- if (led->type == IWL_LED_TRG_ASSOC) {
- priv->allow_blinking = 0;
- IWL_DEBUG_LED(priv, "MAC is disassociated\n");
- }
if (led->led_off)
led->led_off(priv, IWL_LED_LINK);
break;
@@ -197,8 +225,6 @@ static void iwl3945_led_brightness_set(struct led_classdev *led_cdev,
}
}
-
-
/*
* Register led class with the system
*/
@@ -237,12 +263,12 @@ static int iwl3945_led_register_led(struct iwl_priv *priv,
static inline u8 get_blink_rate(struct iwl_priv *priv)
{
int index;
- u64 current_tpt = priv->rxtxpackets;
- s64 tpt = current_tpt - priv->led_tpt;
+ s64 tpt = priv->rxtxpackets;
if (tpt < 0)
tpt = -tpt;
- priv->led_tpt = current_tpt;
+
+ IWL_DEBUG_LED(priv, "tpt %lld \n", (long long)tpt);
if (!priv->allow_blinking)
index = IWL_MAX_BLINK_TBL;
@@ -250,13 +276,9 @@ static inline u8 get_blink_rate(struct iwl_priv *priv)
for (index = 0; index < IWL_MAX_BLINK_TBL; index++)
if (tpt > (blink_tbl[index].brightness * IWL_1MB_RATE))
break;
- return index;
-}
-static inline int is_rf_kill(struct iwl_priv *priv)
-{
- return test_bit(STATUS_RF_KILL_HW, &priv->status) ||
- test_bit(STATUS_RF_KILL_SW, &priv->status);
+ IWL_DEBUG_LED(priv, "LED BLINK IDX=%d\n", index);
+ return index;
}
/*
@@ -272,7 +294,7 @@ void iwl3945_led_background(struct iwl_priv *priv)
priv->last_blink_time = 0;
return;
}
- if (is_rf_kill(priv)) {
+ if (iwl_is_rfkill(priv)) {
priv->last_blink_time = 0;
return;
}
@@ -341,8 +363,8 @@ int iwl3945_led_register(struct iwl_priv *priv)
IWL_LED_TRG_ASSOC, 0, trigger);
/* for assoc always turn led on */
- priv->led[IWL_LED_TRG_ASSOC].led_on = iwl3945_led_on;
- priv->led[IWL_LED_TRG_ASSOC].led_off = iwl3945_led_on;
+ priv->led[IWL_LED_TRG_ASSOC].led_on = iwl3945_led_associate;
+ priv->led[IWL_LED_TRG_ASSOC].led_off = iwl3945_led_disassociate;
priv->led[IWL_LED_TRG_ASSOC].led_pattern = NULL;
if (ret)