[alsa-devel] [PATCH] ASoC: Intel: hdac_hdmi: add Icelake support

[Pierre-Louis Bossart]

>> So in theory all we need to add is a new table entry in skl.c,
>> e.g. with the following untested code. I'll have to check if this is
>> correct offline but it'd allow you to test the probe part.
>>
>> diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
>> index ac0b4ff21acc..375f4b60e515 100644
>> --- a/sound/soc/intel/skylake/skl.c
>> +++ b/sound/soc/intel/skylake/skl.c
>> @@ -1098,6 +1098,9 @@ static const struct pci_device_id skl_ids[] = {
>>          /* CNL */
>>          { PCI_DEVICE(0x8086, 0x9dc8),
>>                  .driver_data = (unsigned
>> long)&snd_soc_acpi_intel_cnl_machines},
>> +       /* CFL */
>> +       { PCI_DEVICE(0x8086, 0xa348),
>> +               .driver_data = (unsigned
>> long)&snd_soc_acpi_intel_cnl_machines}
>>          { 0, }
>>   };
> I've already tried it but this doesn't seem enough.  The similar
> addition for 0xa348 is needed in skl-messages.c for clk setup.
> (BTW, reloading the module after this error triggered the leftover
>   sysfs entries; you can try to inject the error and reproduce it.)
>
> After these changes, the driver was loaded, but it still complains
> about the lack of firmware (both SOF and fallback one).
> The binding with HDMI codec seems working, but the analog one is still
> missing.

Is this lack of firmware or firmware that won't boot due to 
configuration issues?

If you can share the dmesg log somewhere it'd be interesting, I am 
trying to help fix support for WHL and CFL *should* be similar (I 
haven't checked the actual specs though).