ASoC: sam9g20_wm8731: disable clock and correct sequence when unload

disable clock and correct sequence when unload
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/atmel/sam9g20_wm8731.c

@@ -305,10 +305,10 @@ static int at91sam9g20ek_audio_remove(struct platform_device *pdev)
 {
 	struct snd_soc_card *card = platform_get_drvdata(pdev);
 
-	atmel_ssc_put_audio(0);
-	snd_soc_unregister_card(card);
-	clk_put(mclk);
+	clk_disable(mclk);
 	mclk = NULL;
+	snd_soc_unregister_card(card);
+	atmel_ssc_put_audio(0);
 
 	return 0;
 }