ALSA: hda - Apply Sony VAIO hweq fixup only once

This should be applied also only once as a part of the initialization.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index f13920e..98b4b2e 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -14814,6 +14814,8 @@
 {
 	int coef;
 
+	if (pre_init)
+		return;
 	coef = alc_read_coef_idx(codec, 0x1e);
 	alc_write_coef_idx(codec, 0x1e, coef | 0x80);
 }