ASoC: sgtl5000: Use i2c_get_clientdata()

We should use i2c_get_clientdata() to get the codec private structure.
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: NMark Brown <broonie@linaro.org>

sound/soc/codecs/sgtl5000.c

@@ -1571,11 +1571,7 @@ static int sgtl5000_i2c_probe(struct i2c_client *client,
 
 static int sgtl5000_i2c_remove(struct i2c_client *client)
 {
-	struct sgtl5000_priv *sgtl5000;
-	sgtl5000 = devm_kzalloc(&client->dev, sizeof(struct sgtl5000_priv),
-								GFP_KERNEL);
-	if (!sgtl5000)
-		return -ENOMEM;
+	struct sgtl5000_priv *sgtl5000 = i2c_get_clientdata(client);
 
 	snd_soc_unregister_codec(&client->dev);
 	clk_disable_unprepare(sgtl5000->mclk);