ASoC: fsl_sai: use DIV_ROUND_CLOSEST() to calculate divider

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In fsl_sai_set_bclk() we want to calculate the divider that gets us
closest to the desired frequency, so use DIV_ROUND_CLOSEST() instead of
just doing a clk_rate/freq.
Also discard invalid ratios earlier.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/r/20220302083428.3804687-7-s.hauer@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>

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Sascha Hauer 2022-03-02 09:34:27 +01:00 • committed by Mark Brown

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sound/soc/fsl/fsl_sai.c

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