[ALSA] Add even more 'const' to everything related to TLV

Mark TLV data as 'const'
Signed-of-by: Philipp Matthias Hahn <pmhahn@pmhahn.de>

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index f1950fa..641d0c8 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -54,7 +54,7 @@
 
 /* replace with a new TLV */
 static void reset_tlv(struct snd_ac97 *ac97, const char *name,
-		      unsigned int *tlv)
+		      const unsigned int *tlv)
 {
 	struct snd_ctl_elem_id sid;
 	struct snd_kcontrol *kctl;
@@ -1569,7 +1569,7 @@
 	AC97_SINGLE("Line Jack Sense", AC97_AD_JACK_SPDIF, 8, 1, 1), /* inverted */
 };
 
-static DECLARE_TLV_DB_SCALE(db_scale_6bit_6db_max, -8850, 150, 0);
+static const DECLARE_TLV_DB_SCALE(db_scale_6bit_6db_max, -8850, 150, 0);
 
 static int patch_ad1885_specific(struct snd_ac97 * ac97)
 {
@@ -2527,7 +2527,7 @@
 	/* AC97_SINGLE("IEC958 Input Monitor", AC97_ALC650_MULTICH, 13, 1, 0), */
 };
 
-static DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_max, -4350, 150, 0);
+static const DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_max, -4350, 150, 0);
 
 static int patch_alc650_specific(struct snd_ac97 * ac97)
 {