From: 陈金泉 <chenjq@rock-chips.com>
Date: Thu, 4 Jul 2013 07:32:12 +0000 (+0800)
Subject: rk616 codec:set mclk to 12M when codec shutdown for HDMI
X-Git-Tag: firefly_0821_release~6948
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=dee5f3a3799ba899f585b9099408a15df56552c0;p=firefly-linux-kernel-4.4.55.git

rk616 codec:set mclk to 12M when codec shutdown for HDMI
---

diff --git a/sound/soc/rk29/rk_rk616.c b/sound/soc/rk29/rk_rk616.c
index d28362b63103..ff06fc5ab3a6 100755
--- a/sound/soc/rk29/rk_rk616.c
+++ b/sound/soc/rk29/rk_rk616.c
@@ -88,6 +88,14 @@ static int rk616_init(struct snd_soc_pcm_runtime *rtd)
 	return 0;
 }
 
+void rk_hifi_shutdown(struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+
+	snd_soc_dai_set_sysclk(cpu_dai, 0, 12000000, 0);
+}
+
 static int rk_hifi_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_hw_params *params)
 {
@@ -228,6 +236,7 @@ static int rk_voice_hw_params(struct snd_pcm_substream *substream,
 }
 
 static struct snd_soc_ops rk616_hifi_ops = {
+	.shutdown = rk_hifi_shutdown,
 	.hw_params = rk_hifi_hw_params,
 };