Re: [PATCH 1/2] ASoC: qcom: lpass: Fix hardcoded SC7810 DAI IDs

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On Fri, Jan 15, 2021 at 05:15:53PM +0000, Srinivas Kandagatla wrote:
> On 15/01/2021 16:49, Stephan Gerhold wrote:
> > Right now it declares just a single DAI, but multiple "ports":
> > 
> > enum lpaif_i2s_ports {
> > 	IPQ806X_LPAIF_I2S_PORT_CODEC_SPK,
> > 	IPQ806X_LPAIF_I2S_PORT_CODEC_MIC,
> > 	IPQ806X_LPAIF_I2S_PORT_SEC_SPK,
> > 	IPQ806X_LPAIF_I2S_PORT_SEC_MIC,
> > 	IPQ806X_LPAIF_I2S_PORT_MI2S,
> > };
> > 
> > static struct snd_soc_dai_driver ipq806x_lpass_cpu_dai_driver = {
> > 	.id	= IPQ806X_LPAIF_I2S_PORT_MI2S,
> > 	/* ... */
> > };
> > 
> > I suppose we could just declare this as MI2S_PRIMARY but not sure if
> > that is accurate. Do you have more information about this platform?
> 
> Looking at the specs it does show that it has 0-4 total 5 I2S interfaces,
> however Am unable to find a  proper name similar to other MI2S.
> This one is the last one (4)!
> 

I'm still a bit unsure how this would fit into the shared lpass.h
dt-bindings, given that we need MI2S_PRIMARY, etc for MSM8916/SC7810
but some different ones for IPQ806X.

But I would also need to check how to implement .of_xlate_dai_name first
for example, so I think it's easier if you can prepare a patch to
implement your idea. I would be happy to test it. :)

Then we can just drop this patch set, I don't mind.

Thanks!
Stephan



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