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由 John Lin 提交于
The maximum DMIC clock rate is 3.072 MHz for most DMIC. And it will get better performance in higher clock rate. If we set maximum to 3 MHz in driver, we will get a clock rate which is not even close to 3 MHz. For example, if DMIC clock source is 24.576 MHz, the DMIC clock will be about 1.5 MHz in current code. But it will be 3.072 MHz with this patch. Signed-off-by: NJohn Lin <john.lin@realtek.com> Signed-off-by: NMark Brown <broonie@kernel.org>
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