[PATCH v2] ASoC: fsl-asoc-card: Get "extal" clock rate by clk_get_rate

[Nicolin Chen]

On Mon, Aug 10, 2020 at 04:11:43PM +0800, Shengjiu Wang wrote:
> On some platform(.e.g. i.MX8QM MEK), the "extal" clock is different
> with the mclk of codec, then the clock rate is also different.
> So it is better to get clock rate of "extal" rate by clk_get_rate,
> don't reuse the clock rate of mclk.
> 
> Signed-off-by: Shengjiu Wang <shengjiu.wang at nxp.com>

Acked-by: Nicolin Chen <nicoleotsuka at gmail.com>