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;
