[media] au0828: don't let the IR polling thread to run at suspend
authorMauro Carvalho Chehab <m.chehab@samsung.com>
Sun, 10 Aug 2014 00:47:11 +0000 (21:47 -0300)
committerMauro Carvalho Chehab <m.chehab@samsung.com>
Thu, 21 Aug 2014 20:25:07 +0000 (15:25 -0500)
Trying to make au0828 to suspend can do very bad things, as
the polling Kthread is not handled. We should disable it
during suspend, only re-enabling it at resume.

Still, analog and digital TV won't work, as we don't reinit
the settings at resume, but at least it won't hang.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
drivers/media/usb/au0828/au0828-core.c

index b08b979bb9a7e0c5932806499b5ca30528bc4218..3a02de142f9f8f21408f35b5f5ec2f1395d3e5c1 100644 (file)
@@ -281,13 +281,42 @@ static int au0828_usb_probe(struct usb_interface *interface,
        return retval;
 }
 
+static int au0828_suspend(struct usb_interface *interface,
+                               pm_message_t message)
+{
+       struct au0828_dev *dev = usb_get_intfdata(interface);
+
+       if (!dev)
+               return 0;
+
+       au0828_rc_suspend(dev);
+
+       /* FIXME: should suspend also ATV/DTV */
+
+       return 0;
+}
+
+static int au0828_resume(struct usb_interface *interface)
+{
+       struct au0828_dev *dev = usb_get_intfdata(interface);
+       if (!dev)
+               return 0;
+
+       au0828_rc_resume(dev);
+
+       /* FIXME: should resume also ATV/DTV */
+
+       return 0;
+}
+
 static struct usb_driver au0828_usb_driver = {
        .name           = DRIVER_NAME,
        .probe          = au0828_usb_probe,
        .disconnect     = au0828_usb_disconnect,
        .id_table       = au0828_usb_id_table,
-
-       /* FIXME: Add suspend and resume functions */
+       .suspend        = au0828_suspend,
+       .resume         = au0828_resume,
+       .reset_resume   = au0828_resume,
 };
 
 static int __init au0828_init(void)