[PATCH v2 3/3] ASoC: spacemit: declare shared BCLK for cross-DAI rate constraint

[Mark Brown]

On Thu, May 07, 2026 at 06:31:44PM +0800, Troy Mitchell wrote:
> On SpacemiT K3, multiple I2S controllers share the same physical BCLK
> (c_bclk). Declare this clock via snd_soc_dai_set_bclk_clk() so the
> ASoC core can automatically constrain hw_params when one controller is
> already streaming.
> 
> For K1, c_bclk is NULL (obtained via devm_clk_get_optional_enabled),
> so this call is a no-op and behavior is unchanged.

We don't appear to have a c_bclk in current code?
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