diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 05f3c0b1c3c5..452f713ea7ad 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -970,7 +970,7 @@ static const struct regmap_config rockchip_i2s_regmap_config = {
 	.reg_bits = 32,
 	.reg_stride = 4,
 	.val_bits = 32,
-	.max_register = I2S_RXDR,
+	.max_register = I2S_RXFIFOLR,
 	.reg_defaults = rockchip_i2s_reg_defaults,
 	.num_reg_defaults = ARRAY_SIZE(rockchip_i2s_reg_defaults),
 	.writeable_reg = rockchip_i2s_wr_reg,