ASoC: cs42l52: Convert to devm_input_allocate_device()

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/cs42l52.c

@@ -1040,7 +1040,7 @@ static void cs42l52_init_beep(struct snd_soc_codec *codec)
 	struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
 	int ret;
 
-	cs42l52->beep = input_allocate_device();
+	cs42l52->beep = devm_input_allocate_device(codec->dev);
 	if (!cs42l52->beep) {
 		dev_err(codec->dev, "Failed to allocate beep device\n");
 		return;
@@ -1061,7 +1061,6 @@ static void cs42l52_init_beep(struct snd_soc_codec *codec)
 
 	ret = input_register_device(cs42l52->beep);
 	if (ret != 0) {
-		input_free_device(cs42l52->beep);
 		cs42l52->beep = NULL;
 		dev_err(codec->dev, "Failed to register beep device\n");
 	}
@@ -1078,7 +1077,6 @@ static void cs42l52_free_beep(struct snd_soc_codec *codec)
 	struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
 
 	device_remove_file(codec->dev, &dev_attr_beep);
-	input_unregister_device(cs42l52->beep);
 	cancel_work_sync(&cs42l52->beep_work);
 	cs42l52->beep = NULL;