ALSA: au88x0: More constifications

Apply const prefix to each possible place: the static register tables,
the coef tables, the string arrays, etc.

Just for minor optimization and no functional changes.

Link: https://lore.kernel.org/r/20200105144823.29547-14-tiwai@suse.deSigned-off-by: NTakashi Iwai <tiwai@suse.de>

sound/pci/au88x0/au88x0_core.c

@@ -1989,7 +1989,7 @@ vortex_connect_codecrec(vortex_t * vortex, int en, unsigned char mixin0,
 // Higher level ADB audio path (de)allocator.
 
 /* Resource manager */
-static int resnum[VORTEX_RESOURCE_LAST] =
+static const int resnum[VORTEX_RESOURCE_LAST] =
     { NR_ADB, NR_SRC, NR_MIXIN, NR_MIXOUT, NR_A3D };
 /*
  Checkout/Checkin resource of given type. 

sound/pci/au88x0/au88x0_eq.c

@@ -51,7 +51,7 @@ static inline u16 sign_invert(u16 a)
 		return -a;
 }
 
-static void vortex_EqHw_SetLeftCoefs(vortex_t * vortex, u16 coefs[])
+static void vortex_EqHw_SetLeftCoefs(vortex_t *vortex, const u16 coefs[])
 {
 	eqhw_t *eqhw = &(vortex->eq.this04);
 	int i = 0, n /*esp2c */;
@@ -73,7 +73,7 @@ static void vortex_EqHw_SetLeftCoefs(vortex_t * vortex, u16 coefs[])
 	}
 }
 
-static void vortex_EqHw_SetRightCoefs(vortex_t * vortex, u16 coefs[])
+static void vortex_EqHw_SetRightCoefs(vortex_t *vortex, const u16 coefs[])
 {
 	eqhw_t *eqhw = &(vortex->eq.this04);
 	int i = 0, n /*esp2c */;
@@ -96,7 +96,7 @@ static void vortex_EqHw_SetRightCoefs(vortex_t * vortex, u16 coefs[])
 
 }
 
-static void vortex_EqHw_SetLeftStates(vortex_t * vortex, u16 a[], u16 b[])
+static void vortex_EqHw_SetLeftStates(vortex_t *vortex, const u16 a[], const u16 b[])
 {
 	eqhw_t *eqhw = &(vortex->eq.this04);
 	int i = 0, ebx;
@@ -113,7 +113,7 @@ static void vortex_EqHw_SetLeftStates(vortex_t * vortex, u16 a[], u16 b[])
 	}
 }
 
-static void vortex_EqHw_SetRightStates(vortex_t * vortex, u16 a[], u16 b[])
+static void vortex_EqHw_SetRightStates(vortex_t *vortex, const u16 a[], const u16 b[])
 {
 	eqhw_t *eqhw = &(vortex->eq.this04);
 	int i = 0, ebx;
@@ -206,7 +206,7 @@ vortex_EqHw_SetRightGainsSingleTarget(vortex_t * vortex, u16 index, u16 b)
 	hwwrite(vortex->mmio, 0x2b20c + (index * 0x30), b);
 }
 
-static void vortex_EqHw_SetLeftGainsTarget(vortex_t * vortex, u16 a[])
+static void vortex_EqHw_SetLeftGainsTarget(vortex_t *vortex, const u16 a[])
 {
 	eqhw_t *eqhw = &(vortex->eq.this04);
 	int ebx;
@@ -216,7 +216,7 @@ static void vortex_EqHw_SetLeftGainsTarget(vortex_t * vortex, u16 a[])
 	}
 }
 
-static void vortex_EqHw_SetRightGainsTarget(vortex_t * vortex, u16 a[])
+static void vortex_EqHw_SetRightGainsTarget(vortex_t *vortex, const u16 a[])
 {
 	eqhw_t *eqhw = &(vortex->eq.this04);
 	int ebx;
@@ -226,7 +226,7 @@ static void vortex_EqHw_SetRightGainsTarget(vortex_t * vortex, u16 a[])
 	}
 }
 
-static void vortex_EqHw_SetLeftGainsCurrent(vortex_t * vortex, u16 a[])
+static void vortex_EqHw_SetLeftGainsCurrent(vortex_t *vortex, const u16 a[])
 {
 	eqhw_t *eqhw = &(vortex->eq.this04);
 	int ebx;
@@ -236,7 +236,7 @@ static void vortex_EqHw_SetLeftGainsCurrent(vortex_t * vortex, u16 a[])
 	}
 }
 
-static void vortex_EqHw_SetRightGainsCurrent(vortex_t * vortex, u16 a[])
+static void vortex_EqHw_SetRightGainsCurrent(vortex_t *vortex, const u16 a[])
 {
 	eqhw_t *eqhw = &(vortex->eq.this04);
 	int ebx;
@@ -309,7 +309,7 @@ static void vortex_EqHw_GetRightGainsCurrent(vortex_t * vortex, u16 a[])
 
 #endif
 /* EQ band levels settings */
-static void vortex_EqHw_SetLevels(vortex_t * vortex, u16 peaks[])
+static void vortex_EqHw_SetLevels(vortex_t *vortex, const u16 peaks[])
 {
 	eqhw_t *eqhw = &(vortex->eq.this04);
 	int i;
@@ -574,7 +574,7 @@ static int vortex_Eqlzr_SetAllBandsFromActiveCoeffSet(vortex_t * vortex)
 }
 
 static int
-vortex_Eqlzr_SetAllBands(vortex_t * vortex, u16 gains[], s32 count)
+vortex_Eqlzr_SetAllBands(vortex_t *vortex, const u16 gains[], s32 count)
 {
 	eqlzr_t *eq = &(vortex->eq);
 	int i;
@@ -852,7 +852,7 @@ static const struct snd_kcontrol_new vortex_levels_kcontrol = {
 };
 
 /* EQ band gain labels. */
-static char *EqBandLabels[10] = {
+static const char * const EqBandLabels[10] = {
 	"EQ0 31Hz\0",
 	"EQ1 63Hz\0",
 	"EQ2 125Hz\0",

sound/pci/au88x0/au88x0_eqdata.c

 // SPDX-License-Identifier: GPL-2.0
 /* Data structs */
 
-static u16 asEqCoefsZeros[50] = {
+static const u16 asEqCoefsZeros[50] = {
 	0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
 	0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
 	0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
@@ -14,7 +14,7 @@ static u16 asEqCoefsZeros[50] = {
 	0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
 };
 
-static u16 asEqCoefsPipes[64] = {
+static const u16 asEqCoefsPipes[64] = {
 	0x0000, 0x0000,
 	0x0000, 0x0666, 0x0000, 0x0000, 0x0666,
 	0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
@@ -33,7 +33,7 @@ static u16 asEqCoefsPipes[64] = {
 };
 
 /* More coef sets can be found in the win2k "inf" file. */
-static auxxEqCoeffSet_t asEqCoefsNormal = {
+static const auxxEqCoeffSet_t asEqCoefsNormal = {
 	.LeftCoefs = {
 		      0x7e60, 0xc19e, 0x0001, 0x0002, 0x0001,
 		      0x7fa0, 0xc05f, 0x004f, 0x0000, 0xffb1,
@@ -66,7 +66,7 @@ static auxxEqCoeffSet_t asEqCoefsNormal = {
 		       0x3e96, 0x3e96, 0x3e96, 0x3e96, 0x3e96}
 };
 
-static u16 eq_gains_normal[20] = {
+static const u16 eq_gains_normal[20] = {
 	0x3e96, 0x3e96, 0x3e96, 0x3e96, 0x3e96,
 	0x3e96, 0x3e96, 0x3e96, 0x3e96, 0x3e96,
 	0x3e96, 0x3e96, 0x3e96, 0x3e96, 0x3e96,
@@ -74,22 +74,22 @@ static u16 eq_gains_normal[20] = {
 };
 
 /* _rodatab60 */
-static u16 eq_gains_zero[10] = {
+static const u16 eq_gains_zero[10] = {
 	0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
 	0x0000, 0x0000, 0x0000, 0x0000, 0x0000
 };
 
 /* _rodatab7c:  ProgramPipe */
-static u16 eq_gains_current[12] = {
+static const u16 eq_gains_current[12] = {
 	0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
 	0x7fff,
 	0x7fff, 0x7fff, 0x7fff
 };
 
 /* _rodatab78 */
-static u16 eq_states_zero[2] = { 0x0000, 0x0000 };
+static const u16 eq_states_zero[2] = { 0x0000, 0x0000 };
 
-static u16 asEqOutStateZeros[48] = {
+static const u16 asEqOutStateZeros[48] = {
 	0x0000, 0x0000, 0x0000, 0x0000,
 	0x0000, 0x0000, 0x0000, 0x0000,
 	0x0000, 0x0000, 0x0000, 0x0000,
@@ -105,7 +105,7 @@ static u16 asEqOutStateZeros[48] = {
 };
 
 /*_rodataba0:*/
-static u16 eq_levels[64] = {
+static const u16 eq_levels[64] = {
 	0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
 	0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
 	0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,

sound/pci/au88x0/au88x0_pcm.c

@@ -433,14 +433,14 @@ static const struct snd_pcm_ops snd_vortex_playback_ops = {
 *  definitions of capture are omitted here...
 */
 
-static char *vortex_pcm_prettyname[VORTEX_PCM_LAST] = {
+static const char * const vortex_pcm_prettyname[VORTEX_PCM_LAST] = {
 	CARD_NAME " ADB",
 	CARD_NAME " SPDIF",
 	CARD_NAME " A3D",
 	CARD_NAME " WT",
 	CARD_NAME " I2S",
 };
-static char *vortex_pcm_name[VORTEX_PCM_LAST] = {
+static const char * const vortex_pcm_name[VORTEX_PCM_LAST] = {
 	"adb",
 	"spdif",
 	"a3d",