From 77d904ce5f18e052fc796a255b7cf16ba5d41efc Mon Sep 17 00:00:00 2001
From: Sugar Zhang <sugar.zhang@rock-chips.com>
Date: Sat, 5 Mar 2022 11:29:25 +0800
Subject: [PATCH] ASoC: rockchip: spdif: Ignore 0hz clk rate

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Change-Id: I491eef9b7729c1a5b0f9d59d5c868e9256a32c19
---
 sound/soc/rockchip/rockchip_spdif.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/rockchip/rockchip_spdif.c b/sound/soc/rockchip/rockchip_spdif.c
index 55bccb806e82..a1f2b3d56cf8 100644
--- a/sound/soc/rockchip/rockchip_spdif.c
+++ b/sound/soc/rockchip/rockchip_spdif.c
@@ -203,6 +203,9 @@ static int rk_spdif_set_sysclk(struct snd_soc_dai *dai,
 	struct rk_spdif_dev *spdif = snd_soc_dai_get_drvdata(dai);
 	int ret = 0;
 
+	if (!freq)
+		return 0;
+
 	ret = clk_set_rate(spdif->mclk, freq);
 	if (ret)
 		dev_err(spdif->dev, "Failed to set mclk: %d\n", ret);