From 7ad26d6671db758c959d7e1d100b138a38483612 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Tue, 25 Aug 2020 08:39:24 +0900 Subject: [PATCH] ASoC: pcm3168a: ignore 0 Hz settings 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 Link: https://lore.kernel.org/r/87a6yjy5sy.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown --- sound/soc/codecs/pcm3168a.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sound/soc/codecs/pcm3168a.c b/sound/soc/codecs/pcm3168a.c index 5e445fe..821e739 100644 --- a/sound/soc/codecs/pcm3168a.c +++ b/sound/soc/codecs/pcm3168a.c @@ -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; -- 2.7.4