diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 6ff19dd0d10c..92f66bbc5c91 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -485,8 +485,8 @@ static int intel_ml_lctl_set_power(struct azx *chip, int state)
 	int timeout;
 
 	/*
-	 * the codecs are sharing the first link setting by default
-	 * If other links are enabled for stream, they need similar fix
+	 * Changes to LCTL.SCF are only needed for the first multi-link dealing
+	 * with external codecs
 	 */
 	val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);
 	val &= ~AZX_ML_LCTL_SPA;
@@ -513,7 +513,7 @@ static void intel_init_lctl(struct azx *chip)
 
 	/* 0. check lctl register value is correct or not */
 	val = readl(bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);
-	/* if SCF is already set, let's use it */
+	/* only perform additional configurations if the SCF is initially based on 6MHz */
 	if ((val & AZX_ML_LCTL_SCF) != 0)
 		return;
 
@@ -531,7 +531,7 @@ static void intel_init_lctl(struct azx *chip)
 	if (ret)
 		goto set_spa;
 
-	/* 2. update SCF to select a properly audio clock*/
+	/* 2. update SCF to select an audio clock different from 6MHz */
 	val &= ~AZX_ML_LCTL_SCF;
 	val |= intel_get_lctl_scf(chip);
 	writel(val, bus->mlcap + AZX_ML_BASE + AZX_REG_ML_LCTL);