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Subject[PATCH 3/3] ideapad: Show negative when no camera
Date
Signed-off-by: Ike Panhc <ike.pan@canonical.com>
---
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


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