From 4ffcbfa26ca5b33b6194dfaeb0bc200317aaf9a7 Mon Sep 17 00:00:00 2001
From: Daniel Drake <dsd@laptop.org>
Date: Wed, 18 Apr 2012 18:08:21 +0100
Subject: [PATCH] --- yaml --- r: 310140 b: refs/heads/master c:
 bc7ab495c7532f06bc03021c0d78ac384fb13c14 h: refs/heads/master v: v3

---
 [refs]                                  |  2 +-
 trunk/drivers/platform/x86/xo1-rfkill.c | 13 ++++++++++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index e75ee45f7599..68f88c1a0558 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 14b234b10544046544a81095c9ab372842f80eea
+refs/heads/master: bc7ab495c7532f06bc03021c0d78ac384fb13c14
diff --git a/trunk/drivers/platform/x86/xo1-rfkill.c b/trunk/drivers/platform/x86/xo1-rfkill.c
index 41781ed8301c..b57ad8641480 100644
--- a/trunk/drivers/platform/x86/xo1-rfkill.c
+++ b/trunk/drivers/platform/x86/xo1-rfkill.c
@@ -15,15 +15,26 @@
 
 #include <asm/olpc.h>
 
+static bool card_blocked;
+
 static int rfkill_set_block(void *data, bool blocked)
 {
 	unsigned char cmd;
+	int r;
+
+	if (blocked == card_blocked)
+		return 0;
+
 	if (blocked)
 		cmd = EC_WLAN_ENTER_RESET;
 	else
 		cmd = EC_WLAN_LEAVE_RESET;
 
-	return olpc_ec_cmd(cmd, NULL, 0, NULL, 0);
+	r = olpc_ec_cmd(cmd, NULL, 0, NULL, 0);
+	if (r == 0)
+		card_blocked = blocked;
+
+	return r;
 }
 
 static const struct rfkill_ops rfkill_ops = {