From mboxrd@z Thu Jan  1 00:00:00 1970
From: matthieu castet <castet.matthieu@free.fr>
Subject: Re: [Alsa-user] sound blaster name
Date: Sun, 03 Jul 2005 20:50:48 +0200
Message-ID: <42C83388.4090804@free.fr>
References: <42B3E474.7000301@free.fr> <42B3ECD5.6030500@superbug.co.uk>	 <42B3F28B.4030307@free.fr> <42B3F484.5060004@free.fr>	 <42B3F83C.90305@superbug.co.uk> <42B5A056.4010608@free.fr>	 <42BC6451.8020303@free.fr> <1119647048.3290.57.camel@mindpipe>	 <42C71EB1.1020207@free.fr> <42C722AD.1010603@superbug.co.uk>	 <42C7278C.5090100@free.fr> <42C7C7EF.9030201@free.fr>	 <42C7D322.1050100@superbug.co.uk>  <42C7E5C4.3030602@free.fr> <1120414451.7915.2.camel@mindpipe>
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To: Lee Revell <rlrevell@joe-job.com>
Cc: James Courtier-Dutton <James@superbug.co.uk>, alsa-devel <alsa-devel@lists.sourceforge.net>
List-Id: alsa-devel@alsa-project.org

Lee Revell wrote:
> On Sun, 2005-07-03 at 15:19 +0200, matthieu castet wrote:
> 
>>I there an easy way to know if the .sblive51 flag is needed ?
>>Does it is needed only for 3G SB card  (SBxxx version or those marked as 
>>5.1) ?
> 
> 
> I think it's need for any SBLive! (not Audigy) that has an analog
> center/LFE output.
> 
> Maybe you could extract this information from the kX driver.
> 
on opencreative driver they use :

* 5.1: Enable the additional AC97 Slots and unmute extra channels on 
AC97 codec */
                 if (codec->codec_read(codec, AC97_EXTENDED_ID) & 0x0080){
                         printk(KERN_INFO "emu10k1: SBLive! 5.1 card 
detected\n");
                         sblive_writeptr(card, AC97SLOT, 0, 
AC97SLOT_CNTR | AC97SLOT_LFE);
                         codec->codec_write(codec, AC97_SURROUND_MASTER, 
0x0);
                 }

It correspond to AC97_EA_SDAC.
I don't know if it is a safe way...


Matthieu


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