From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from proofpoint-cluster.metrocast.net ([65.175.128.136]:34066 "EHLO proofpoint-cluster.metrocast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758814Ab1I3VZW (ORCPT ); Fri, 30 Sep 2011 17:25:22 -0400 References: <201109281350.52099.simon.farnsworth@onelan.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: Re: Problems tuning PAL-D with a Hauppauge HVR-1110 (TDA18271 tuner) - workaround hack included From: Andy Walls Date: Fri, 30 Sep 2011 17:25:06 -0400 To: Steven Toth , Simon Farnsworth CC: LMML , Mauro Carvalho Chehab , Michael Krufky Message-ID: Sender: linux-media-owner@vger.kernel.org List-ID: Steven Toth wrote: >>                map = &std_map->atv_dk; > >Simon, > >I've been chewing on this for a day or so and it reminded me partly >why I stopped working on combined PAL/NTSC support for the saa7164 >hardware family, it's been bugging me for a reason - now I understand >why. > >Essentially, I had a long discussion with Mike Krufky about a year ago >related to I/F's for analog TV output. The SAA7164 analog demod IF (as >best as I can tell) are not configurable. I have no good set_if() >interface I can call on the tuner to select a different I/F as the >bridge driver needs. I was fairly unhappy about that..... bah, such is >life. > >The TDA18271 driver on linux DOES NOT use the same I/F's that the >windows driver uses. Reason? Mike Decided to follow the data sheet and >NOT use the Hauppauge specifically select IFs. > >His advise to me, at the time, which I think will work nicely for you >and probably a better patch, is to have the HVR-1110 define a better >I/F map for the atv_dk case. This way at least you would not pollute >the 18271 driver in it's core and effect other DK users (potentially), >instead, for the HVR1110 18271 attach, define the I/F maps for each >country/modulation and simple change the DK version by your desired >offset. > >That may be a cleaner fix and accepted for merge. > >(Note to self: Now that I recall the conversation with Mike I may >actually go ahead and fix my saa7164 Pal issue.) > >-- >Steven Toth - Kernel Labs >http://www.kernellabs.com >-- >To unsubscribe from this list: send the line "unsubscribe linux-media" >in >the body of a message to majordomo@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html Simon, If you have one of the latest HVR1600's with that analog tuner, does PAL-D work with it without and offset? Regards, Andy