This is a note to let you know that I've just added the patch titled ASoC: pcm3168a: ignore 0 Hz settings to the 5.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: asoc-pcm3168a-ignore-0-hz-settings.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit dc7b935e3db6d75f0417378c79d79dd42b0f4008 Author: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> Date: Tue Aug 25 08:39:24 2020 +0900 ASoC: pcm3168a: ignore 0 Hz settings [ Upstream commit 7ad26d6671db758c959d7e1d100b138a38483612 ] 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@xxxxxxxxxxx> Link: https://lore.kernel.org/r/87a6yjy5sy.wl-kuninori.morimoto.gx@xxxxxxxxxxx Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/sound/soc/codecs/pcm3168a.c b/sound/soc/codecs/pcm3168a.c index 88b75695fbf7f..b37e5fbbd301a 100644 --- a/sound/soc/codecs/pcm3168a.c +++ b/sound/soc/codecs/pcm3168a.c @@ -302,6 +302,13 @@ 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;