diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index 1c509f7410f5f2e954bec334bd8cac68769fe423..49f10538d4aa1214b05670d33769be4e50ca88df 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -351,10 +351,13 @@ hsw_hdmi_audio_config_update(struct intel_crtc *intel_crtc, enum port port,
 
 	I915_WRITE(HSW_AUD_CFG(pipe), tmp);
 
+	/*
+	 * Let's disable "Enable CTS or M Prog bit"
+	 * and let HW calculate the value
+	 */
 	tmp = I915_READ(HSW_AUD_M_CTS_ENABLE(pipe));
-	tmp &= ~AUD_CONFIG_M_MASK;
+	tmp &= ~AUD_M_CTS_M_PROG_ENABLE;
 	tmp &= ~AUD_M_CTS_M_VALUE_INDEX;
-	tmp |= AUD_M_CTS_M_PROG_ENABLE;
 	I915_WRITE(HSW_AUD_M_CTS_ENABLE(pipe), tmp);
 }