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ASoC: pcm3168a: ignore 0 Hz settings

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Some sound card try to set 0 Hz as reset, but it is impossible.
This patch ignores it to avoid error return.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87a6yjy5sy.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2020-08-25 08:39:24 +09:00 committed by Mark Brown
parent 1959ba4e40
commit 7ad26d6671
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1 changed files with 7 additions and 0 deletions
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sound/soc/codecs/pcm3168a.c
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@ -306,6 +306,13 @@ static int pcm3168a_set_dai_sysclk(struct snd_soc_dai *dai,
struct pcm3168a_priv *pcm3168a = snd_soc_component_get_drvdata(dai->component);
int ret;
/*
* Some sound card sets 0 Hz as reset,
* but it is impossible to set. Ignore it here
*/
if (freq == 0)
return 0;
if (freq > PCM3168A_MAX_SYSCLK)
return -EINVAL;