Signed-off-by: Ike Panhc <ike.pan@xxxxxxxxxxxxx> --- drivers/platform/x86/ideapad-laptop.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index 9c09891..4a54ed1 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/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]; @@ -199,6 +200,10 @@ static ssize_t show_ideapad_cam(struct device *dev, struct device_attribute *attr, char *buf) { + struct ideapad_private *priv = dev_get_drvdata(dev); + + if (!test_bit(CFG_CAMERA_BIT, &(priv->cfg))) + return sprintf(buf, "-1\n"); return show_ideapad_helper(dev, attr, buf, 0x1D); } -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html