Re: [PATCH] ASoC: SOF: intel: Fix probe error without i915 graphics

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Hi Takashi,

On Sun, 16 Feb 2020, Takashi Iwai wrote:

> When the driver is configured with CONFIG_SND_SOC_SOF_HDA, the SOF
> driver tries to bind with i915 audio component.  But there is also a
> system without Intel graphics.  On such a system, snd_hdac_i915_init()
> returns -ENODEV error and it leads to the whole probe error of SOF
> driver.

d'oh -- I was a bit too late with this. I've been working on the bug for a 
while and a work in progress patch has been available in the bug for a 
couple of weeks: 
https://github.com/thesofproject/linux/issues/1658 
https://github.com/thesofproject/linux/pull/1731

.. there have been multiple issues, so that the patchset has taken 
multiple rounds, but it's very close now. Probably should have added 
something in the other bugtrackers as well to avoid duplicated efforts.

With my patchset, if i915 is not present or the init fails, only the idisp 
codec is dropped and the probe continues for other codecs.

Your patch will partly conflict with mine as I rely on i915_init to 
report failure in this case. Ok if we wait until my patch gets in? 

Br, Kai
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