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Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/hda_intel.c8
1 files changed, 4 insertions, 4 deletions
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);