ASoC: alc5623: Remove unused mutex

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/alc5623.c

@@ -41,7 +41,6 @@ MODULE_PARM_DESC(caps_charge, "ALC5623 cap charge time (msecs)");
 struct alc5623_priv {
 	enum snd_soc_control_type control_type;
 	void *control_data;
-	struct mutex mutex;
 	u8 id;
 	unsigned int sysclk;
 	u16 reg_cache[ALC5623_VENDOR_ID2+2];
@@ -1052,7 +1051,6 @@ static int alc5623_i2c_probe(struct i2c_client *client,
 	i2c_set_clientdata(client, alc5623);
 	alc5623->control_data = client;
 	alc5623->control_type = SND_SOC_I2C;
-	mutex_init(&alc5623->mutex);
 
 	ret =  snd_soc_register_codec(&client->dev,
 		&soc_codec_device_alc5623, &alc5623_dai, 1);