From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-in-13.arcor-online.net ([151.189.21.53]:51148 "EHLO mail-in-13.arcor-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752983Ab0BHQMl (ORCPT ); Mon, 8 Feb 2010 11:12:41 -0500 Message-ID: <4B7037D3.5040601@arcor.de> Date: Mon, 08 Feb 2010 17:12:03 +0100 From: Stefan Ringel MIME-Version: 1.0 To: Mauro Carvalho Chehab CC: linux-media@vger.kernel.org, dheitmueller@kernellabs.com Subject: Re: [PATCH 5/12] tm6000: update init table and sequence for tm6010 References: <1265410096-11788-1-git-send-email-stefan.ringel@arcor.de> <1265410096-11788-2-git-send-email-stefan.ringel@arcor.de> <1265410096-11788-3-git-send-email-stefan.ringel@arcor.de> <1265410096-11788-4-git-send-email-stefan.ringel@arcor.de> <1265410096-11788-5-git-send-email-stefan.ringel@arcor.de> <4B6FF3C9.2010804@redhat.com> <4B6FF763.1090203@redhat.com> In-Reply-To: <4B6FF763.1090203@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Am 08.02.2010 12:37, schrieb Mauro Carvalho Chehab: > Mauro Carvalho Chehab wrote: > >>> + tm6000_read_write_usb (dev, 0xc0, 0x10, 0x7f1f, 0x0000, buf, 2); >>> > >> Most of the calls there are read (0xc0). I don't know any device that requires >> a read for it to work. I suspect that the above code is just probing to check >> what i2c devices are found at the board. >> > Btw, by looking at drivers/media/dvb/frontends/zl10353_priv.h, we have an idea > on what the above does: > > The register 0x7f is: > > CHIP_ID = 0x7F, > > So, basically, the above code is reading the ID of the chip, likely to be sure that it > is a Zarlink 10353. > > Cheers, > Mauro > -- > 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 > yes, but that's for activating Zarlink zl10353 and checking it --> hello Zarlink? If doesn't use that sequence, then cannot use Zarlink zl10353. -- Stefan Ringel