--- zzzz-none-000/linux-3.10.107/sound/soc/codecs/wm2000.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/sound/soc/codecs/wm2000.c	2021-02-04 17:41:59.000000000 +0000
@@ -137,7 +137,8 @@
 	unsigned long rate;
 	int ret;
 
-	BUG_ON(wm2000->anc_mode != ANC_OFF);
+	if (WARN_ON(wm2000->anc_mode != ANC_OFF))
+		return -EINVAL;
 
 	dev_dbg(&i2c->dev, "Beginning power up\n");
 
@@ -277,7 +278,8 @@
 {
 	struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev);
 
-	BUG_ON(wm2000->anc_mode != ANC_ACTIVE);
+	if (WARN_ON(wm2000->anc_mode != ANC_ACTIVE))
+		return -EINVAL;
 
 	if (analogue) {
 		wm2000_write(i2c, WM2000_REG_SYS_MODE_CNTRL,
@@ -315,7 +317,8 @@
 {
 	struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev);
 
-	BUG_ON(wm2000->anc_mode != ANC_BYPASS);
+	if (WARN_ON(wm2000->anc_mode != ANC_BYPASS))
+		return -EINVAL;
 	
 	wm2000_write(i2c, WM2000_REG_SYS_CTL1, 0);
 
@@ -349,7 +352,8 @@
 {
 	struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev);
 
-	BUG_ON(wm2000->anc_mode != ANC_ACTIVE);
+	if (WARN_ON(wm2000->anc_mode != ANC_ACTIVE))
+		return -EINVAL;
 
 	if (analogue) {
 		wm2000_write(i2c, WM2000_REG_ANA_VMID_PD_TIME, 248 / 4);
@@ -392,7 +396,8 @@
 {
 	struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev);
 
-	BUG_ON(wm2000->anc_mode != ANC_STANDBY);
+	if (WARN_ON(wm2000->anc_mode != ANC_STANDBY))
+		return -EINVAL;
 
 	wm2000_write(i2c, WM2000_REG_SYS_CTL1, 0);
 
@@ -602,7 +607,7 @@
 static int wm2000_anc_mode_get(struct snd_kcontrol *kcontrol,
 			       struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 	struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
 
 	ucontrol->value.integer.value[0] = wm2000->anc_active;
@@ -613,9 +618,9 @@
 static int wm2000_anc_mode_put(struct snd_kcontrol *kcontrol,
 			       struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 	struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
-	int anc_active = ucontrol->value.integer.value[0];
+	unsigned int anc_active = ucontrol->value.integer.value[0];
 	int ret;
 
 	if (anc_active > 1)
@@ -635,7 +640,7 @@
 static int wm2000_speaker_get(struct snd_kcontrol *kcontrol,
 			      struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 	struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
 
 	ucontrol->value.integer.value[0] = wm2000->spk_ena;
@@ -646,9 +651,9 @@
 static int wm2000_speaker_put(struct snd_kcontrol *kcontrol,
 			      struct snd_ctl_elem_value *ucontrol)
 {
-	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 	struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
-	int val = ucontrol->value.integer.value[0];
+	unsigned int val = ucontrol->value.integer.value[0];
 	int ret;
 
 	if (val > 1)
@@ -678,7 +683,7 @@
 static int wm2000_anc_power_event(struct snd_soc_dapm_widget *w,
 				  struct snd_kcontrol *kcontrol, int event)
 {
-	struct snd_soc_codec *codec = w->codec;
+	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 	struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
 	int ret;
 
@@ -781,8 +786,6 @@
 {
 	struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
 
-	snd_soc_codec_set_cache_io(codec, 16, 8, SND_SOC_REGMAP);
-
 	/* This will trigger a transition to standby mode by default */
 	wm2000_anc_set_mode(wm2000);
 
@@ -823,10 +826,8 @@
 
 	wm2000 = devm_kzalloc(&i2c->dev, sizeof(struct wm2000_priv),
 			      GFP_KERNEL);
-	if (wm2000 == NULL) {
-		dev_err(&i2c->dev, "Unable to allocate private data\n");
+	if (!wm2000)
 		return -ENOMEM;
-	}
 
 	mutex_init(&wm2000->lock);
 
@@ -941,7 +942,6 @@
 static struct i2c_driver wm2000_i2c_driver = {
 	.driver = {
 		.name = "wm2000",
-		.owner = THIS_MODULE,
 	},
 	.probe = wm2000_i2c_probe,
 	.remove = wm2000_i2c_remove,