From: Michael Mol <mikemol@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] AMD hdaudio: why do I have two audio devices and two mixers?
Date: Thu, 29 Mar 2012 22:27:09 -0400 [thread overview]
Message-ID: <CA+czFiBSpZTjvpyW7BwaP==0k6um2Mu4pSAKQdEcuE9V1GNRhQ@mail.gmail.com> (raw)
In-Reply-To: <4F750E70.4050102@gmail.com>
On Thu, Mar 29, 2012 at 9:37 PM, Hung Dang <hungptit@gmail.com> wrote:
> On 03/29/2012 09:18 PM, walt wrote:
>>
>> Fresh gentoo install on new lenovo desktop. Both linux and win7
>> (lenovo installed) tell me that this machine has two audio devices:
>>
>> 00:01.1 Audio device: Advanced Micro Devices [AMD] nee ATI BeaverCreek
>> HDMI Audio [Radeon HD 6500D and 6400G-6600G series]
>> Subsystem: Lenovo Device 3625
>> Kernel driver in use: snd_hda_intel
>> Kernel modules: snd-hda-intel
>>
>> 00:14.2 Audio device: Advanced Micro Devices [AMD] Hudson Azalia
>> Controller (rev 01)
>> Subsystem: Lenovo Device 3625
>> Kernel driver in use: snd_hda_intel
>> Kernel modules: snd-hda-intel
>>
>> crw-rw----+ 1 root audio 14, 0 Mar 29 18:07 /dev/mixer
>> crw-rw----+ 1 root audio 14, 16 Mar 29 18:07 /dev/mixer1
>>
>> crw-rw----+ 1 root audio 116, 3 Mar 29 18:07 controlC0
>> crw-rw----+ 1 root audio 116, 7 Mar 29 18:07 controlC1
>> crw-rw----+ 1 root audio 116, 2 Mar 29 18:07 pcmC0D3p
>> crw-rw----+ 1 root audio 116, 6 Mar 29 18:07 pcmC1D0c
>> crw-rw----+ 1 root audio 116, 5 Mar 29 18:07 pcmC1D0p
>> crw-rw----+ 1 root audio 116, 4 Mar 29 18:07 pcmC1D2c
>> crw-rw----+ 1 root audio 116, 33 Mar 29 18:07 timer
>>
>> lrwxrwxrwx 1 root root 12 Mar 29 18:07 pci-0000:00:01.1 -> ../controlC0
>> lrwxrwxrwx 1 root root 12 Mar 29 18:07 pci-0000:00:14.2 -> ../controlC1
>>
>>
>> I spent an entire frustrating day discovering that the reason I
>> have no sound is that every app wants to use /dev/mixer when only
>> /dev/mixer1 actually works :(
>>
>> Only some apps (like audacious) will let me choose which mixer to
>> use, and those apps work perfectly.
>>
>> Anyone else seen this before, I hope? Got a fix?
>>
>> Thanks :)
>
> I guess the second audio device is either HDMI or HD audio generic. You
> could verify this by opening alsamixer then select F6 to see a list of audio
> devices. If you use pulseaudio then you can select the default output
> device. Or use /etc/asound.conf to select your preferred default device.
Well, technically, the first one is HDMI, and the second one is the
more mundane one.
--
:wq
next prev parent reply other threads:[~2012-03-30 2:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-30 1:18 [gentoo-user] AMD hdaudio: why do I have two audio devices and two mixers? walt
2012-03-30 1:37 ` Hung Dang
2012-03-30 2:27 ` Michael Mol [this message]
2012-03-30 13:33 ` [gentoo-user] " masterprometheus
2012-03-30 16:34 ` [gentoo-user] " Alex Schuster
2012-03-31 20:50 ` [gentoo-user] " walt
2012-04-01 5:25 ` Sebastian Beßler
2012-04-01 17:21 ` walt
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