From 25c4ccbfeff2154c5ad321d2530ee3f9d9dc6e8f Mon Sep 17 00:00:00 2001
From: Ike Panhc <ike.pan@canonical.com>
Date: Thu, 30 Jun 2011 19:50:47 +0800
Subject: [PATCH] --- yaml --- r: 262594 b: refs/heads/master c:
 a84511f7fbeb37e26aacb9c72f5a21ffc24e909e h: refs/heads/master v: v3

---
 [refs]                                      |  2 +-
 trunk/drivers/platform/x86/ideapad-laptop.c | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index d60281c77ec1..72a36a1a6783 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3371f48167e04017125dd08cc1f70fa93d2f2e17
+refs/heads/master: a84511f7fbeb37e26aacb9c72f5a21ffc24e909e
diff --git a/trunk/drivers/platform/x86/ideapad-laptop.c b/trunk/drivers/platform/x86/ideapad-laptop.c
index 42b9ba7e903c..1612abde5188 100644
--- a/trunk/drivers/platform/x86/ideapad-laptop.c
+++ b/trunk/drivers/platform/x86/ideapad-laptop.c
@@ -38,6 +38,7 @@
 #define CFG_BT_BIT	(16)
 #define CFG_3G_BIT	(17)
 #define CFG_WIFI_BIT	(18)
+#define CFG_CAMERA_BIT	(19)
 
 struct ideapad_private {
 	struct rfkill *rfk[IDEAPAD_RFKILL_DEV_NUM];
@@ -208,7 +209,24 @@ static struct attribute *ideapad_attributes[] = {
 	NULL
 };
 
+static mode_t ideapad_is_visible(struct kobject *kobj,
+				 struct attribute *attr,
+				 int idx)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct ideapad_private *priv = dev_get_drvdata(dev);
+	bool supported;
+
+	if (attr == &dev_attr_camera_power.attr)
+		supported = test_bit(CFG_CAMERA_BIT, &(priv->cfg));
+	else
+		supported = true;
+
+	return supported ? attr->mode : 0;
+}
+
 static struct attribute_group ideapad_attribute_group = {
+	.is_visible = ideapad_is_visible,
 	.attrs = ideapad_attributes
 };