Re: [linux-next:master 3956/5128] sound/soc/sof/intel/hda-codec.c:132:35: error: use of undeclared identifier 'CODEC_PROBE_RETRIES'

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Hey,


On Fri, 3 Dec 2021, Pierre-Louis Bossart wrote:

> >    127		do {
> >    128			mutex_lock(&hbus->core.cmd_mutex);
> >    129			snd_hdac_bus_send_cmd(&hbus->core, hda_cmd);
> >    130			snd_hdac_bus_get_response(&hbus->core, address, &resp);
> >    131			mutex_unlock(&hbus->core.cmd_mutex);
> >  > 132		} while (resp == -1 && retry++ < CODEC_PROBE_RETRIES);
> 
> Indeed, something's not right here.
> 
> CODEC_PROBE_RETRIES is defined conditionally
> 
> #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
> #define IDISP_VID_INTEL	0x80860000
> #define CODEC_PROBE_RETRIES 3
> 
> but it's used unconditionally.

yup, the definition needs to be moved out.

> We could define this constant unconditionally as a quick fix, but this
> compilation problem might expose a larger problem.
> 
> Kai, I wonder if this is code from lines 120 to 139 that we didn't
> update when we moved to support HDMI with the generic HDaudio parts? I
> don't see why we could even try to send a command on the bus is there's
> no audio codec support?
> 
> hda_codec_use_common_hdmi should be the default assumption now, I don't
> think we support the old solution, do we?

We do still support the hdac-hdmi as well, albeit only for select old
hardware to maintain backwards compatibility.

I'll send the quick fix.

Br, Kai



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