ASoC: tlv320aic3x: Prevent writing reserved registers on tlv320aic3104 CODECs

The current code writes a set of registers that are reserved on the
tlc320aic3104. The change skips those registers for that IC.
Signed-off-by: Rick Mann <rmann@latencyzero.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/tlv320aic3x.c

@@ -1509,14 +1509,17 @@ static int aic3x_init(struct snd_soc_codec *codec)
 	snd_soc_write(codec, PGAL_2_LLOPM_VOL, DEFAULT_VOL);
 	snd_soc_write(codec, PGAR_2_RLOPM_VOL, DEFAULT_VOL);
 
-	/* Line2 to HP Bypass default volume, disconnect from Output Mixer */
-	snd_soc_write(codec, LINE2L_2_HPLOUT_VOL, DEFAULT_VOL);
-	snd_soc_write(codec, LINE2R_2_HPROUT_VOL, DEFAULT_VOL);
-	snd_soc_write(codec, LINE2L_2_HPLCOM_VOL, DEFAULT_VOL);
-	snd_soc_write(codec, LINE2R_2_HPRCOM_VOL, DEFAULT_VOL);
-	/* Line2 Line Out default volume, disconnect from Output Mixer */
-	snd_soc_write(codec, LINE2L_2_LLOPM_VOL, DEFAULT_VOL);
-	snd_soc_write(codec, LINE2R_2_RLOPM_VOL, DEFAULT_VOL);
+	/* On tlv320aic3104, these registers are reserved and must not be written */
+	if (aic3x->model != AIC3X_MODEL_3104) {
+		/* Line2 to HP Bypass default volume, disconnect from Output Mixer */
+		snd_soc_write(codec, LINE2L_2_HPLOUT_VOL, DEFAULT_VOL);
+		snd_soc_write(codec, LINE2R_2_HPROUT_VOL, DEFAULT_VOL);
+		snd_soc_write(codec, LINE2L_2_HPLCOM_VOL, DEFAULT_VOL);
+		snd_soc_write(codec, LINE2R_2_HPRCOM_VOL, DEFAULT_VOL);
+		/* Line2 Line Out default volume, disconnect from Output Mixer */
+		snd_soc_write(codec, LINE2L_2_LLOPM_VOL, DEFAULT_VOL);
+		snd_soc_write(codec, LINE2R_2_RLOPM_VOL, DEFAULT_VOL);
+	}
 
 	switch (aic3x->model) {
 	case AIC3X_MODEL_3X: