[pulseaudio-discuss] [PATCH] alsa-mixer: sb-omni-surround-5.1.conf: remove analog-surround-21, add Linux 4.3+ support

[David Henningsson]

Hi and thanks for looking after your sound card :-)

Just a question w r t the 2.1 stuff - what alsa-lib version are you 
using? Any release from 2015 should be fine, there was some improvements 
during 2014 to the 2.1 stuff in specific.

On 2015-11-25 09:06, Nazar Mokrynskyi wrote:
> Just want to remind once again, that without this patch microphone is
> not working with Linux kernel 4.3+
>
> Sincerely, Nazar Mokrynskyi
> github.com/nazar-pc
> Skype: nazar-pc
> Diaspora:nazarpc at diaspora.mokrynskyi.com
> Tox: A9D95C9AA5F7A3ED75D83D0292E22ACE84BA40E912185939414475AF28FD2B2A5C8EF5261249
>
> On 11.10.15 17:52, Nazar Mokrynskyi wrote:
>> > Do you mean 2.1 mode won't work with all usb audio since surround
>> 5.1 of usb audio is already using route plugin
>> What do you mean by "all usb audio"? In 4.1/5.1 mode LFE and all other
>> outputs work properly, it is just for 2.1, which works as stereo.
>>
>> > If you don't have SPDIF output/input, you need to add your card in
>> USB-AUDIO.conf
>> Sound card has S/PDIF output, but not input. Not sure whether output
>> works properly though. I do not have speakers or any other hardware
>> with S/PDIF input to test it.
>> Sincerely, Nazar Mokrynskyi
>> github.com/nazar-pc
>> Skype: nazar-pc
>> Diaspora:nazarpc at diaspora.mokrynskyi.com
>> Tox: A9D95C9AA5F7A3ED75D83D0292E22ACE84BA40E912185939414475AF28FD2B2A5C8EF5261249
>> On 11.10.15 10:34, Raymond Yau wrote:
>>>
>>> >
>>> > In 2.1 mode LFE is not actually working at all, so it is removed.
>>>
>>> Do you mean 2.1 mode won't work with all usb audio since surround 5.1
>>> of usb audio is already using route plugin
>>>
>>> USB-Audio.pcm.surround51.0 {
>>> @args [ CARD ]
>>> @args.CARD { type string }
>>> @func refer
>>> name {
>>> @func concat
>>> strings [
>>> "cards.USB-Audio."
>>> { @func card_name card $CARD }
>>> ".pcm.surround51:CARD=" $CARD
>>> ]
>>> }
>>> default {
>>> type route
>>> ttable.0.0 1
>>> ttable.1.1 1
>>> ttable.2.4 1
>>> ttable.3.5 1
>>> ttable.4.2 1
>>> ttable.5.3 1
>>> slave {
>>> pcm {
>>> type hw
>>> card $CARD
>>> device 0
>>> }
>>> channels 6
>>> }
>>> }
>>> }
>>>
>>> http://git.alsa-project.org/?p=alsa-lib.git;a=blobdiff;f=src/conf/cards/USB-Audio.conf;h=ce3ae019f7f6fa91ca224074d12891217f242300;hp=8a6d9cac6ead765108e09c61914a84d290482556;hb=1af088e39b75a0a0897c7036487b143e983cd423;hpb=57b5076c30b3453ee843912c0aeb3df8dbee3f68
>>>
>>> > With Linux 4.3-rc1+ Mic/Line are hw:%f,0,0 as it should be:
>>> https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/usb?id=5ee20bc792467d7d612157e0a9962765aa943b08
>>> > So now we support both Linux 4.2.x- and 4.3-rc1+ setups.
>>> > Also in Linux 4.3-rc1 S/PDIF input was detected incorrectly (there
>>> is no such hardware input), so it is not present in config.
>>> > ---
>>>
>>> https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1384952
>>>
>>> Seem all usb audio with more than two playback devices are affected
>>> since capture device of  U7 is also device 1 before the patch
>>>
>>> If you don't have SPDIF output/input, you need to add your card in
>>> USB-AUDIO.conf
>>>
>>>   # If a device does not use the first PCM device for digital data,
>>> the device
>>>   # number for the iec958 device can be changed here.
>>>   USB-Audio.pcm.iec958_device {
>>>          # "NoiseBlaster 3000" 42
>>>
>>>
>>>
>>> _______________________________________________
>>> pulseaudio-discuss mailing list
>>> pulseaudio-discuss at lists.freedesktop.org
>>> http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
>>
>>
>>
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>
>
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-- 
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic