Markus Rechberger wrote:
> On 8/17/07, Oliver Endriss <[EMAIL PROTECTED]> wrote:
> > Steven Toth wrote:
> > > The ts_bus_ctrl function pointer / callback is already in the mainline,
> > > check dvb_frontend.c for more details. You shouldn't need a patch from me.
> >
> > ACK, should be enough to do this kind of locking.
> >
> > Furthermore, with this callback, the dvb_frontend_active() routine from
> > '[linux-dvb] [PATCH] function for checking if the dvb framework is idle'
> > is not required at all. The callback is aware whether the frontend is
> > running or not...
> >
> As far as I've seen the callback will be called as soon as the device
> gets closed, even though the thread might still be spinning in the
> background and the subsystem might still access DVB components, this
> is why dvb_frontend_active is still needed.
> Closing the devicenode and that callback doesn't mean that the device is idle.
Ok, this should be fixed. What about this patch:
diff -r dd58780b6fb4 linux/drivers/media/dvb/dvb-core/dvb_frontend.c
--- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c Thu Aug 09 16:30:39
2007 +0200
+++ b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c Fri Aug 17 20:07:28
2007 +0200
@@ -596,6 +596,10 @@ restart:
mb();
dvb_frontend_wakeup(fe);
+
+ if (fe->ops.ts_bus_ctrl)
+ fe->ops.ts_bus_ctrl (fe, 0);
+
return 0;
}
@@ -1101,9 +1105,10 @@ static int dvb_frontend_release(struct i
if ((file->f_flags & O_ACCMODE) != O_RDONLY)
fepriv->release_jiffies = jiffies;
-
- if (fe->ops.ts_bus_ctrl)
- fe->ops.ts_bus_ctrl (fe, 0);
+ else {
+ if (fe->ops.ts_bus_ctrl)
+ fe->ops.ts_bus_ctrl (fe, 0);
+ }
ret = dvb_generic_release (inode, file);
CU
Oliver
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