From: Sugar Zhang <sugar.zhang@rock-chips.com>
Date: Tue, 27 Jun 2017 01:38:46 +0000 (+0800)
Subject: ASoC: rockchip: hdmi_analog: set sysclk for codec dai
X-Git-Tag: release-20171130_firefly~4^2~304
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=50c2e3af27dbd6c77d448e464acdae9e9668503d;p=firefly-linux-kernel-4.4.55.git

ASoC: rockchip: hdmi_analog: set sysclk for codec dai

Change-Id: Ia9eabcc482451c64897b6d9d09d484da77624cbb
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
---

diff --git a/sound/soc/rockchip/rockchip_hdmi_analog.c b/sound/soc/rockchip/rockchip_hdmi_analog.c
index e4a4a993e29a..3642cec00a04 100644
--- a/sound/soc/rockchip/rockchip_hdmi_analog.c
+++ b/sound/soc/rockchip/rockchip_hdmi_analog.c
@@ -40,6 +40,7 @@ static int rk_hdmi_analog_hw_params(struct snd_pcm_substream *substream,
 	int ret = 0;
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	int mclk;
 
 	switch (params_rate(params)) {
@@ -76,6 +77,13 @@ static int rk_hdmi_analog_hw_params(struct snd_pcm_substream *substream,
 		return ret;
 	}
 
+	ret = snd_soc_dai_set_sysclk(codec_dai, 0, mclk,
+				     SND_SOC_CLOCK_IN);
+	if (ret && ret != -ENOTSUPP) {
+		dev_err(codec_dai->dev, "Can't set codec clock %d\n", ret);
+		return ret;
+	}
+
 	return 0;
 }