ALSA: isa: Clean up with new procfs helpers

Simplify the proc fs creation code with new helper functions,
snd_card_ro_proc_new() and snd_card_rw_proc_new().
Just a code refactoring and no functional changes.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/isa/gus/gus_irq.c

@@ -140,10 +140,7 @@ static void snd_gus_irq_info_read(struct snd_info_entry *entry,
 
 void snd_gus_irq_profile_init(struct snd_gus_card *gus)
 {
-	struct snd_info_entry *entry;
-
-	if (! snd_card_proc_new(gus->card, "gusirq", &entry))
-		snd_info_set_text_ops(entry, gus, snd_gus_irq_info_read);
+	snd_card_ro_proc_new(gus->card, "gusirq", gus, snd_gus_irq_info_read);
 }
 
 #endif

sound/isa/gus/gus_mem.c

@@ -238,9 +238,6 @@ int snd_gf1_mem_init(struct snd_gus_card * gus)
 {
 	struct snd_gf1_mem *alloc;
 	struct snd_gf1_mem_block block;
-#ifdef CONFIG_SND_DEBUG
-	struct snd_info_entry *entry;
-#endif
 
 	alloc = &gus->gf1.mem_alloc;
 	mutex_init(&alloc->memory_mutex);
@@ -263,8 +260,7 @@ int snd_gf1_mem_init(struct snd_gus_card * gus)
 	if (snd_gf1_mem_xalloc(alloc, &block) == NULL)
 		return -ENOMEM;
 #ifdef CONFIG_SND_DEBUG
-	if (! snd_card_proc_new(gus->card, "gusmem", &entry))
-		snd_info_set_text_ops(entry, gus, snd_gf1_mem_info_read);
+	snd_card_ro_proc_new(gus->card, "gusmem", gus, snd_gf1_mem_info_read);
 #endif
 	return 0;
 }

sound/isa/opti9xx/miro.c

@@ -997,10 +997,7 @@ static void snd_miro_proc_read(struct snd_info_entry * entry,
 static void snd_miro_proc_init(struct snd_card *card,
 			       struct snd_miro *miro)
 {
-	struct snd_info_entry *entry;
-
-	if (!snd_card_proc_new(card, "miro", &entry))
-		snd_info_set_text_ops(entry, miro, snd_miro_proc_read);
+	snd_card_ro_proc_new(card, "miro", miro, snd_miro_proc_read);
 }
 
 /*

sound/isa/sb/sb16_csp.c

@@ -1126,10 +1126,9 @@ static int snd_sb_csp_qsound_transfer(struct snd_sb_csp * p)
 static int init_proc_entry(struct snd_sb_csp * p, int device)
 {
 	char name[16];
-	struct snd_info_entry *entry;
+
 	sprintf(name, "cspD%d", device);
-	if (! snd_card_proc_new(p->chip->card, name, &entry))
-		snd_info_set_text_ops(entry, p, info_read);
+	snd_card_ro_proc_new(p->chip->card, name, p, info_read);
 	return 0;
 }