iwlegacy: led stay solid on when no traffic

commit 5ed540ae change the led behavior
for iwlwifi driver; the side effect cause led blink all the time.

Modify the led blink table to fix this problem
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlegacy/iwl-led.c

@@ -48,8 +48,21 @@ module_param(led_mode, int, S_IRUGO);
 MODULE_PARM_DESC(led_mode, "0=system default, "
 		"1=On(RF On)/Off(RF Off), 2=blinking");
 
+/* Throughput		OFF time(ms)	ON time (ms)
+ *	>300			25		25
+ *	>200 to 300		40		40
+ *	>100 to 200		55		55
+ *	>70 to 100		65		65
+ *	>50 to 70		75		75
+ *	>20 to 50		85		85
+ *	>10 to 20		95		95
+ *	>5 to 10		110		110
+ *	>1 to 5			130		130
+ *	>0 to 1			167		167
+ *	<=0					SOLID ON
+ */
 static const struct ieee80211_tpt_blink iwl_blink[] = {
-	{ .throughput = 0 * 1024 - 1, .blink_time = 334 },
+	{ .throughput = 0, .blink_time = 334 },
 	{ .throughput = 1 * 1024 - 1, .blink_time = 260 },
 	{ .throughput = 5 * 1024 - 1, .blink_time = 220 },
 	{ .throughput = 10 * 1024 - 1, .blink_time = 190 },
@@ -101,6 +114,11 @@ static int iwl_legacy_led_cmd(struct iwl_priv *priv,
 	if (priv->blink_on == on && priv->blink_off == off)
 		return 0;
 
+	if (off == 0) {
+		/* led is SOLID_ON */
+		on = IWL_LED_SOLID;
+	}
+
 	IWL_DEBUG_LED(priv, "Led blink time compensation=%u\n",
 			priv->cfg->base_params->led_compensation);
 	led_cmd.on = iwl_legacy_blink_compensation(priv, on,