[alsa-devel] Intel Baytrail Linux Audio

[Jarkko Nikula]

On 06/24/2015 07:03 PM, Vinod Koul wrote:
> On Wed, Jun 24, 2015 at 10:24:54AM -0400, Tyler Yeomans wrote:
>> Vinod,
>>
>> Thank you for looking into this.
>> I have attached the dmesg for this device.
>> Please note I have tried kernels 3.16/19 4.0 and 4.1, all with same result.
>> The attached dmesg file is from booting kernel 4.1/amd64:
>> Linux mykro 4.1.0-040100-generic #201506220235 SMP Mon Jun 22
>> 06:36:19 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
>> On Ubuntu 15.04
> I can see these errors:
> [    6.012196] (NULL device *): ipc: error DSP boot timeout
> [    6.012386] byt-rt5640 byt-rt5640: ASoC: CPU DAI baytrail-pcm-audio not
> registered
>
> Jarrko, can you see why DSP boot fails, perhpas some resources are
> missing/wrong
>
Very likely BIOS defines the DSP-host interrupt in another index what 
code is using currently. Could you try does changing irqindex_host_ipc 
from 5 to 0 help? Like how it is done here:

http://mailman.alsa-project.org/pipermail/alsa-devel/2015-June/093129.html

-- 
Jarkko
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