ac100 team mailing list archive

[Leon Romanovsky <leon@xxxxxxx>]

On Fri, Jan 6, 2012 at 12:05, Johan Ehnberg <johan@xxxxxxxxxxx> wrote:
>
> On Thu, 2012-01-05 at 19:25 +0000, Jasper Taylor wrote:
> > Hi, just got my AC100 and everything works as advertised with Oneiric.
> > But once I update the kernel to 2.6.38.1001 (from 1000) the sound stops
> > working! Following the procedure on the home page for activating the
> > internal speakers after kernel upgrade merely makes them crackle a bit.
> > I go back to kernel 2.6.38.1000 and it works again (through jack).
> > Anyone else had this? What diagnostics can I run? --Jal
>
> Hi, and thanks for bringing this up. I would like to update the wiki
> with some verified commands. Would you like to elaborate on how you got
> the 1000 kernel with jack to produce sound (commands)? So far, your
> report is the first that I have seen that sound would actually work with
> 1000.
>
> Also, if you have the time, with the 1001 kernel, use 'amixer scontents'
> to dump the current mixer settings and 'alsamixer' to set them one by
> one in a cycle and test the sound. Then, when you've found the switch,
> compare the outputs of that and the previous cycle's 'amixer scontents'
> output to find the exact name of the control to be set. That way, we can
> update the wiki with the exact and correct 'amixer set' commands as well
> as a possibility to integrate this into the default 12.04 install.
> Please also share with us the full 'amixer scontents' output of the
> working setup.

Please take a look at the following thread:
https://lists.launchpad.net/ac100/msg00475.html

>
> Best regards,
> Johan
>
>
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--
Leon Romanovsky | Independent Linux Consultant
        www.leon.nu | leon@xxxxxxx