From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id n1PCoV5t017600 for ; Wed, 25 Feb 2009 07:50:31 -0500 Received: from smtp105.biz.mail.re2.yahoo.com (smtp105.biz.mail.re2.yahoo.com [206.190.52.174]) by mx1.redhat.com (8.13.8/8.13.8) with SMTP id n1PCoGX9016010 for ; Wed, 25 Feb 2009 07:50:16 -0500 Message-ID: <49A53CB9.1040109@embeddedalley.com> Date: Wed, 25 Feb 2009 15:42:33 +0300 From: Vitaly Wool MIME-Version: 1.0 To: Mauro Carvalho Chehab References: <49A3A61F.30509@embeddedalley.com> <20090224234205.7a5ca4ca@pedra.chehab.org> In-Reply-To: <20090224234205.7a5ca4ca@pedra.chehab.org> Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 7bit Cc: video4linux-list@redhat.com, em28xx@mcentral.de Subject: Re: em28xx: Compro VideoMate For You sound problems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: video4linux-list-bounces@redhat.com Errors-To: video4linux-list-bounces@redhat.com List-ID: Hello Mauro, Mauro Carvalho Chehab wrote: > On Tue, 24 Feb 2009 10:47:43 +0300 > Vitaly Wool wrote: > >> Hello, >> >> about half a year ago I posted the patch that basically enabled Compro >> VideoMate For You USB TV box support. >> The main problem is I couldn't get the sound working. I was poking >> around that for some time then but gave up soon. Now I spent some time >> debugging the problem without any real success, tried the new >> (alternative) version of the em28xx driver suite from Markus and had no >> luck with it either. >> >> So I kind of decomposed the box and found out the audio decoder chip >> used there was Philips TDA9874A. As far as I can see, it's not supported >> within the em28xx suite although it is for other TV tuner drivers. Could >> anyone please give me some guidance on how to add that to em28xx to >> shorten my way to getting the sound working on that good ol' box? > > Could you please try to load tvaudio module and see what happens? Please probe > it with debug info and post here the results. here it is: [78735.039693] tvaudio: TV audio decoder + audio/video mux driver [78735.039693] tvaudio: known chips: tda9840, tda9873h, tda9874h/a, tda9850, tda9855, tea6300, tea6320, tea6420, tda8425, pic16c54 (PV951), ta8874z [78735.039693] tvaudio' 1-0058: chip found @ 0xb0 [78735.049368] tvaudio' 1-0058: tvaudio': chip_read2: reg254=0x11 [78735.068049] tvaudio' 1-0058: tvaudio': chip_read2: reg255=0x2 [78735.068056] tvaudio' 1-0058: tda9874a_checkit(): DIC=0x11, SIC=0x2. [78735.068059] tvaudio' 1-0058: found tda9874a. [78735.068063] tvaudio' 1-0058: tda9874h/a found @ 0xb0 (em28xx #0) [78735.068066] tvaudio' 1-0058: tda9874h/a: chip_write: reg0=0x0 [78735.079304] tvaudio' 1-0058: tda9874h/a: chip_write: reg1=0xc0 [78735.091299] tvaudio' 1-0058: tda9874h/a: chip_write: reg2=0x2 [78735.103300] tvaudio' 1-0058: tda9874h/a: chip_write: reg11=0x80 [78735.115291] tvaudio' 1-0058: tda9874h/a: chip_write: reg12=0x0 [78735.126706] tvaudio' 1-0058: tda9874h/a: chip_write: reg13=0x0 [78735.138668] tvaudio' 1-0058: tda9874h/a: chip_write: reg14=0x1 [78735.150665] tvaudio' 1-0058: tda9874h/a: chip_write: reg15=0x0 [78735.162661] tvaudio' 1-0058: tda9874h/a: chip_write: reg16=0x14 [78735.174656] tvaudio' 1-0058: tda9874h/a: chip_write: reg17=0x50 [78735.186651] tvaudio' 1-0058: tda9874h/a: chip_write: reg18=0xf9 [78735.198648] tvaudio' 1-0058: tda9874h/a: chip_write: reg19=0x80 [78735.208703] tvaudio' 1-0058: tda9874h/a: chip_write: reg20=0x80 [78735.220988] tvaudio' 1-0058: tda9874h/a: chip_write: reg24=0x80 [78735.232982] tvaudio' 1-0058: tda9874h/a: chip_write: reg255=0x0 [78735.244979] tvaudio' 1-0058: tda9874a_setup(): A2, B/G [0x00]. [78735.246530] tvaudio' 1-0058: tda9874h/a: thread started Thanks, Vitaly -- video4linux-list mailing list Unsubscribe mailto:video4linux-list-request@redhat.com?subject=unsubscribe https://www.redhat.com/mailman/listinfo/video4linux-list