Re: [PATCH] drxk: Fix regression introduced by commit '[media] Remove Annex A/C selection via roll-off factor'

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On Friday 06 January 2012 20:11:56 Mauro Carvalho Chehab wrote:
> On 04-01-2012 16:45, Oliver Endriss wrote:
> > Fix regression introduced by commit '[media] Remove Annex A/C selection via roll-off factor'
> > As a result of this commit, DVB-T tuning did not work anymore.
> > 
> > Signed-off-by: Oliver Endriss <o.endriss@xxxxxx>
> > 
> > diff --git a/drivers/media/dvb/frontends/drxk_hard.c b/drivers/media/dvb/frontends/drxk_hard.c
> > index 36e1c82..13f22a1 100644
> > --- a/drivers/media/dvb/frontends/drxk_hard.c
> > +++ b/drivers/media/dvb/frontends/drxk_hard.c
> > @@ -6235,6 +6235,8 @@ static int drxk_set_parameters(struct dvb_frontend *fe)
> >  	case SYS_DVBC_ANNEX_C:
> >  		state->m_itut_annex_c = true;
> >  		break;
> > +	case SYS_DVBT:
> > +		break;
> >  	default:
> >  		return -EINVAL;
> >  	}
> > 
> Hi Oliver,
> 
> Thanks for the patch! 
> 
> It become obsoleted by the patch that converted the driver
> to create just one frontend:
> 	http://git.linuxtv.org/media_tree.git/commitdiff/fa4b2a171d42ffc512b3a86922ad68e1355eb17a

Agreed.

> While I don't have DVB-T signal here, the logs were showing that the driver is
> switching properly between DVB-T and DVB-C.
> 
> Yet, I'd appreciate if you could test it with a real signal,
> for us to be 100% sure that everything is working as expected.

A quick test showed that switching to DVB-T works.
Sorry, I do not have a DVB-C signal here.

Btw, there are two lines, which are not harmful, but should be removed
(bad formatting/dead code).

--- drxk_hard.c.old	2012-01-07 01:40:00.000000000 +0100
+++ drxk_hard.c	2012-01-07 01:40:30.000000000 +0100
@@ -6236,8 +6236,6 @@ static int drxk_set_parameters(struct dv
 				SetOperationMode(state, OM_QAM_ITU_C);
 			else
 				SetOperationMode(state, OM_QAM_ITU_A);
-				break;
-			state->m_itut_annex_c = true;
 			break;
 		case SYS_DVBT:
 			if (!state->m_hasDVBT)


CU
Oliver

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