Commit a84511f7 authored by Ike Panhc's avatar Ike Panhc Committed by Matthew Garrett
Browse files

ideapad: let camera_power node invisiable if no camera 



Signed-off-by: default avatarIke Panhc <ike.pan@canonical.com>
Signed-off-by: default avatarMatthew Garrett <mjg@redhat.com>
parent 3371f481

drivers/platform/x86/ideapad-laptop.c

+18 −0
Original line number Diff line number Diff line
@@ -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

};