ALSA: Use const struct ac97_quirk

Use const to reduce data by ~3Kb.
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

include/sound/ac97_codec.h

@@ -608,7 +608,9 @@ struct ac97_quirk {
 	int type;		/* quirk type above */
 };
 
-int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override);
+int snd_ac97_tune_hardware(struct snd_ac97 *ac97,
+			   const struct ac97_quirk *quirk,
+			   const char *override);
 int snd_ac97_set_rate(struct snd_ac97 *ac97, int reg, unsigned int rate);
 
 /*

sound/pci/ac97/ac97_codec.c

@@ -2902,7 +2902,8 @@ static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr)
  * Return: Zero if successful, or a negative error code on failure.
  */
 
-int snd_ac97_tune_hardware(struct snd_ac97 *ac97, struct ac97_quirk *quirk, const char *override)
+int snd_ac97_tune_hardware(struct snd_ac97 *ac97,
+			   const struct ac97_quirk *quirk, const char *override)
 {
 	int result;
 

sound/pci/ad1889.c

@@ -747,7 +747,7 @@ snd_ad1889_proc_init(struct snd_ad1889 *chip)
 		snd_info_set_text_ops(entry, chip, snd_ad1889_proc_read);
 }
 
-static struct ac97_quirk ac97_quirks[] = {
+static const struct ac97_quirk ac97_quirks[] = {
 	{
 		.subvendor = 0x11d4,	/* AD */
 		.subdevice = 0x1889,	/* AD1889 */

sound/pci/atiixp.c

@@ -1390,7 +1390,7 @@ static irqreturn_t snd_atiixp_interrupt(int irq, void *dev_id)
  * ac97 mixer section
  */
 
-static struct ac97_quirk ac97_quirks[] = {
+static const struct ac97_quirk ac97_quirks[] = {
 	{
 		.subvendor = 0x103c,
 		.subdevice = 0x006b,

sound/pci/cs5535audio/cs5535audio.c

@@ -43,7 +43,7 @@ static char *ac97_quirk;
 module_param(ac97_quirk, charp, 0444);
 MODULE_PARM_DESC(ac97_quirk, "AC'97 board specific workarounds.");
 
-static struct ac97_quirk ac97_quirks[] = {
+static const struct ac97_quirk ac97_quirks[] = {
 #if 0 /* Not yet confirmed if all 5536 boards are HP only */
 	{
 		.subvendor = PCI_VENDOR_ID_AMD, 

sound/pci/intel8x0.c

@@ -1795,7 +1795,7 @@ static struct ac97_pcm ac97_pcm_defs[] = {
 	},
 };
 
-static struct ac97_quirk ac97_quirks[] = {
+static const struct ac97_quirk ac97_quirks[] = {
         {
 		.subvendor = 0x0e11,
 		.subdevice = 0x000e,

sound/pci/via82xx.c

@@ -1812,7 +1812,7 @@ static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97)
 	chip->ac97 = NULL;
 }
 
-static struct ac97_quirk ac97_quirks[] = {
+static const struct ac97_quirk ac97_quirks[] = {
 	{
 		.subvendor = 0x1106,
 		.subdevice = 0x4161,