Unverified Commit f1879d7b authored Sep 08, 2019 by Katsuhiro Suzuki Committed by Mark Brown Sep 09, 2019

ASoC: rockchip: ignore 0Hz sysclk



This patch ignores sysclk setting if it is 0Hz.

Some codecs treat 0Hz sysclk as signal of applying no constraints.
This driver does not have such feature but current implementation
outputs 'Failed to set mclk' error message if machine driver sets
0Hz sysclk to this driver.

Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
Link: https://lore.kernel.org/r/20190907174332.19586-1-katsuhiro@katsuster.net


Signed-off-by: Mark Brown <broonie@kernel.org>

parent 78b93b04

sound/soc/rockchip/rockchip_i2s.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -419,6 +419,9 @@ static int rockchip_i2s_set_sysclk(struct snd_soc_dai *cpu_dai, int clk_id,
		struct rk_i2s_dev *i2s = to_info(cpu_dai);
		int ret;

		if (freq == 0)
		return 0;

		ret = clk_set_rate(i2s->mclk, freq);
		if (ret)
		dev_err(i2s->dev, "Fail to set mclk %d\n", ret);

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