diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index 149b57f6334b7a2254d1dab53f83537ab62069a5..9f714ea86613cc6939c62c3a420dc0c2ce07bb17 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -336,6 +336,7 @@ static bool max98090_readable_register(struct device *dev, unsigned int reg)
 	case M98090_REG_RECORD_TDM_SLOT:
 	case M98090_REG_SAMPLE_RATE:
 	case M98090_REG_DMIC34_BIQUAD_BASE ... M98090_REG_DMIC34_BIQUAD_BASE + 0x0E:
+	case M98090_REG_REVISION_ID:
 		return true;
 	default:
 		return false;