From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp.domeneshop.no ([194.63.248.54]:38098 "EHLO smtp.domeneshop.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755241Ab0CDWQJ (ORCPT ); Thu, 4 Mar 2010 17:16:09 -0500 Message-ID: <4B903127.208@online.no> Date: Thu, 04 Mar 2010 23:16:07 +0100 From: Hendrik Skarpeid MIME-Version: 1.0 To: "Igor M. Liplianin" CC: linux-media@vger.kernel.org, Nameer Kazzaz Subject: Re: DM1105: could not attach frontend 195d:1105 References: <4B7D83B2.4030709@online.no> <201003031749.24261.liplianin@me.by> <4B8E9182.2010906@online.no> <201003032105.06263.liplianin@me.by> In-Reply-To: <201003032105.06263.liplianin@me.by> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: Igor M. Liplianin skrev: > On 3 марта 2010 18:42:42 Hendrik Skarpeid wrote: > >> Igor M. Liplianin wrote: >> >>> Now to find GPIO's for LNB power control and ... watch TV :) >>> >> Yep. No succesful tuning at the moment. There might also be an issue >> with the reset signal and writing to GPIOCTR, as the module at the >> moment loads succesfully only once. >> As far as I can make out, the LNB power control is probably GPIO 16 and >> 17, not sure which is which, and how they work. >> GPIO15 is wired to tuner #reset >> > New patch to test > > ------------------------------------------------------------------------ > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 9.0.733 / Virus Database: 271.1.1/2721 - Release Date: 03/03/10 20:34:00 > modprobe si21xx debug=1 produces this output when scanning. [ 2187.998349] si21xx: si21_read_status : FE_READ_STATUS : VSTATUS: 0x02 [ 2187.998353] si21xx: si21xx_set_frontend : FE_SET_FRONTEND [ 2187.999881] si21xx: si21xx_setacquire [ 2187.999884] si21xx: si21xx_set_symbolrate : srate = 27500000 [ 2188.022645] si21xx: si21_read_status : FE_READ_STATUS : VSTATUS: 0x01 [ 2188.054350] si21xx: si21_read_status : FE_READ_STATUS : VSTATUS: 0x02 [ 2188.054355] si21xx: si21xx_set_frontend : FE_SET_FRONTEND [ 2188.055875] si21xx: si21xx_setacquire [ 2188.055879] si21xx: si21xx_set_symbolrate : srate = 27500000 [ 2188.110359] si21xx: si21_read_status : FE_READ_STATUS : VSTATUS: 0x02 [ 2188.110366] si21xx: si21xx_set_frontend : FE_SET_FRONTEND [ 2188.111885] si21xx: si21xx_setacquire [ 2188.111889] si21xx: si21xx_set_symbolrate : srate = 27500000 [ 2188.166350] si21xx: si21_read_status : FE_READ_STATUS : VSTATUS: 0x02 [ 2188.166354] si21xx: si21xx_set_frontend : FE_SET_FRONTEND Since the tuner at hand uses a Si2109 chip, VSTATUS 0x01 and 0x02 would indicate that blind scanning is used. Blind scanning is a 2109/2110 specific function, and may not very usable since we always use initial tuning files anyway. 2109/10 also supports the legacy scanning method which is supported by Si2107708. Is the use of blind scanning intentional?