From: qjb <qjb@rock-chips.com>
Date: Mon, 7 Jul 2014 07:58:53 +0000 (+0800)
Subject: rk616 codec: fixed rk616 codec shutdown function null pointer
X-Git-Tag: firefly_0821_release~4995
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=cbf97455c2911ff6d98bf201cfe3d156df8a0bcb;p=firefly-linux-kernel-4.4.55.git

rk616 codec: fixed rk616 codec shutdown function null pointer
---

diff --git a/sound/soc/codecs/rk616_codec.c b/sound/soc/codecs/rk616_codec.c
index c66c747deb7d..cd812be5a8ac 100755
--- a/sound/soc/codecs/rk616_codec.c
+++ b/sound/soc/codecs/rk616_codec.c
@@ -3243,8 +3243,14 @@ void rk616_platform_shutdown(struct platform_device *pdev)
 	mdelay(10);
 	snd_soc_write(codec, RK616_RESET, 0x3);
 
-	kfree(rk616);
-	rk616_priv = NULL;
+	if (rk616) {
+		kfree(rk616);
+		printk("rk616 = %d, rk616_priv = %d\n", rk616, rk616_priv);
+		if (rk616_priv) 
+			rk616_priv = NULL;
+		rk616_codec_power_up(RK616_CODEC_PLAYBACK);
+	}
+
 }
 
 static struct platform_driver rk616_codec_driver = {