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From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
To: Mark Brown <broonie@kernel.org>
Cc: Linux-ALSA <alsa-devel@alsa-project.org>
Subject: [PATCH] ASoC: pcm3168a: ignore 0 Hz settings
Date: 25 Aug 2020 08:39:24 +0900	[thread overview]
Message-ID: <87a6yjy5sy.wl-kuninori.morimoto.gx@renesas.com> (raw)


From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

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>
---
 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 9711fab296eb..045c6f8b26be 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;
 
-- 
2.25.1


             reply	other threads:[~2020-08-24 23:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-24 23:39 Kuninori Morimoto [this message]
2020-08-25  0:09 ` [PATCH] ASoC: pcm3168a: ignore 0 Hz settings Kuninori Morimoto
2020-08-25 20:19 ` Mark Brown

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