On Wed, May 15, 2024 at 03:54:09PM +0200, Elinor Montmasson wrote: > Add an optional DT clock "cpu_sysclk" to get the CPU DAI system-clock > frequency when using the generic codec. > It is set for both Tx and Rx. > The way the frequency value is used is up to the CPU DAI driver > implementation.
> + struct clk *cpu_sysclk = clk_get(&pdev->dev, "cpu_sysclk");
> + if (!IS_ERR(cpu_sysclk)) {
> + priv->cpu_priv.sysclk_freq[TX] =
> clk_get_rate(cpu_sysclk);
> + priv->cpu_priv.sysclk_freq[RX] =
> priv->cpu_priv.sysclk_freq[TX];
> + clk_put(cpu_sysclk);
> + }
I don't really understand the goal here - this is just reading whatever
frequency happens to be set in the hardware when the driver starts up
which if nothing else seems rather fragile?
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