Re: [PATCH] ASoC: sunxi: sun4i-i2s: Enable 32-bit audio formats

[John Watts]

On Thu, Mar 28, 2024 at 01:56:42PM +0000, Mark Brown wrote:
> On Thu, Mar 28, 2024 at 01:21:21PM +1100, John Watts wrote:
> > On Wed, Mar 27, 2024 at 08:53:32PM +0100, Jernej Škrabec wrote:
> 
> > > I wish it would be that simple. SUN4I_FORMATS is cross section of all I2S
> > > variants that are supported by this driver. If you check A10, you'll see that
> > > it doesn't support S32.
> 
> > > If you want to add support for S32, you'll have to add new quirk for each
> > > variant.
> 
> > Yes, A10 doesn't support it. But it should error out in hw_params due to
> > get_sr not supporting 32-bit, no?
> 
> The constraints shouldn't be advertising things that hw_params() will
> error out on, sometimes there are contingent constraints that prevent
> this but something that just doesn't work isn't one of those times.

Oh right! I'm not sure how I forgot about this, given I went through this
exact discussion for my wm8782 patch.

I'll try and get v2 patch for this soon. :)

John.