[PATCH v2] ALSA: hda/realtek: Add a comment for alc_fixup_inv_dmic()

[Yongzhen Zhang <zhangyongzhen@xxxxxxxxxx>]

alc_fixup_inv_dmic() has an empty comment line above it,
add a comment here.

Signed-off-by: Yongzhen Zhang <zhangyongzhen@xxxxxxxxxx>
---
 sound/pci/hda/patch_realtek.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 61ba5dc35b8b..46e542581809 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -890,9 +890,7 @@ static void alc_ssid_check(struct hda_codec *codec, const hda_nid_t *ports)
 	}
 }
 
-/*
- */
-
+/* inverted digital-mic */
 static void alc_fixup_inv_dmic(struct hda_codec *codec,
 			       const struct hda_fixup *fix, int action)
 {
-- 
2.25.1