ASoC: es8316: fix pop noise issue when shutdown and reboot

Change-Id: Iceb02b033803afd0e66ea34a4d04e02d4487a557
Signed-off-by: zhangjun <zhangjun@rock-chips.com>

diff --git a/sound/soc/codecs/es8316.c b/sound/soc/codecs/es8316.c
index eab27c1f53c3675ae835350a1a637229ae7d8640..e5656347cc638e6bf379fb76887c9a8f14508866 100644 (file)
--- a/sound/soc/codecs/es8316.c
+++ b/sound/soc/codecs/es8316.c
@@ -1008,10 +1008,12 @@ static void hp_work(struct work_struct *work)
        }
 }
 
+static struct snd_soc_codec *es8316_codec;
 static int es8316_probe(struct snd_soc_codec *codec)
 {
        struct es8316_priv *es8316 = snd_soc_codec_get_drvdata(codec);
        int ret = 0;
+       es8316_codec = codec;
 
        es8316->mclk = devm_clk_get(codec->dev, "mclk");
        if (PTR_ERR(es8316->mclk) == -EPROBE_DEFER)
@@ -1171,6 +1173,17 @@ static  int es8316_i2c_remove(struct i2c_client *client)
        return 0;
 }
 
+static void es8316_i2c_shutdown(struct i2c_client *client)
+{
+       struct es8316_priv *es8316 = i2c_get_clientdata(client);
+
+       if (es8316_codec != NULL) {
+               es8316_enable_spk(es8316, false);
+               msleep(20);
+               es8316_set_bias_level(es8316_codec, SND_SOC_BIAS_OFF);
+       }
+}
+
 static const struct i2c_device_id es8316_i2c_id[] = {
        {"es8316", 0},
        {"10ES8316:00", 0},
@@ -1192,6 +1205,7 @@ static struct i2c_driver es8316_i2c_driver = {
        },
        .probe    = es8316_i2c_probe,
        .remove   = es8316_i2c_remove,
+       .shutdown = es8316_i2c_shutdown,
        .id_table = es8316_i2c_id,
 };