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[media] DVB: dvb_frontend: fix stale parameters on initial frontend event

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Modify it to use the data given by the user.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Andreas Oberritter 2011-08-04 12:33:12 -03:00 committed by Mauro Carvalho Chehab
parent f00fd919ef
commit 56ce5ac41a
1 changed files with 7 additions and 0 deletions
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drivers/media/dvb/dvb-core/dvb_frontend.c
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@ -1827,6 +1827,13 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
dtv_property_cache_sync(fe, c, &fepriv->parameters_in);
}
/*
* Initialize output parameters to match the values given by
* the user. FE_SET_FRONTEND triggers an initial frontend event
* with status = 0, which copies output parameters to userspace.
*/
fepriv->parameters_out = fepriv->parameters_in;
memset(&fetunesettings, 0, sizeof(struct dvb_frontend_tune_settings));
memcpy(&fetunesettings.parameters, parg,
sizeof (struct dvb_frontend_parameters));