From: Takashi Iwai <tiwai@suse.de>
To: p z oooo <pzad@pobox.sk>
Cc: alsa-devel@lists.sourceforge.net
Subject: Re: ALC650 + Mic input not working
Date: Mon, 19 May 2003 11:48:59 +0200 [thread overview]
Message-ID: <s5h3cjbe06s.wl@alsa2.suse.de> (raw)
In-Reply-To: <200305190554.HAA17705@www7.pobox.sk>
At Mon, 19 May 2003 07:54:46 +0200,
p z oooo wrote:
>
> Hi,
>
> I have MSI KT333 (VIA8233A) + ALC650.
> For me, mic input is not working.
> It looks like my motherboard (and some of others too) uses GPIO0 pin
> of ALC650 to swich mic bias on/off. Look at ALC650AppNotes_1.4.pdf
> page 3 (this is recomended connection). ALC650 rev.E doesn't need
> this (and than mic is working). I tested attached patch and mic (sets
> bit 0 in reg. 0x76 to 1 - gpio0 = output and bit 8 in reg. 0x76 to 1
> = set mic bias - gpio0 - on) works, but I think it is not good,
> because when mic input is switched to center/LFE output, mic bias
> should be set to off.
hmm, i don't see any files... ;)
Takashi
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next prev parent reply other threads:[~2003-05-19 9:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-19 5:54 ALC650 + Mic input not working p z oooo
2003-05-19 9:48 ` Takashi Iwai [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-05-19 9:59 p z oooo
2003-05-20 8:59 ` Takashi Iwai
2003-05-19 10:22 p z oooo
[not found] <200305210604.IAA04383@www1.pobox.sk>
2003-05-21 9:46 ` Takashi Iwai
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