From 4f7454a9970fa0f3e9f1a68201520e3df1bb5224 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 8 Sep 2009 14:29:58 +0200
Subject: ALSA: Add const prefix to proc helper functions

Add appropriate const prefix to char * arguments in proc helper functions.
Also fixed the caller side to be proper const pointers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/core/info.c          | 4 ++--
 sound/core/oss/mixer_oss.c | 3 ++-
 sound/core/oss/pcm_oss.c   | 3 ++-
 3 files changed, 6 insertions(+), 4 deletions(-)

(limited to 'sound/core')

diff --git a/sound/core/info.c b/sound/core/info.c
index 35df614f6c5..6eb53930ea1 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -108,7 +108,7 @@ static int resize_info_buffer(struct snd_info_buffer *buffer,
  *
  * Returns the size of output string.
  */
-int snd_iprintf(struct snd_info_buffer *buffer, char *fmt,...)
+int snd_iprintf(struct snd_info_buffer *buffer, const char *fmt, ...)
 {
 	va_list args;
 	int len, res;
@@ -727,7 +727,7 @@ EXPORT_SYMBOL(snd_info_get_line);
  * Returns the updated pointer of the original string so that
  * it can be used for the next call.
  */
-char *snd_info_get_str(char *dest, char *src, int len)
+const char *snd_info_get_str(char *dest, const char *src, int len)
 {
 	int c;
 
diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c
index 5dcd8a52697..772423889eb 100644
--- a/sound/core/oss/mixer_oss.c
+++ b/sound/core/oss/mixer_oss.c
@@ -1154,7 +1154,8 @@ static void snd_mixer_oss_proc_write(struct snd_info_entry *entry,
 				     struct snd_info_buffer *buffer)
 {
 	struct snd_mixer_oss *mixer = entry->private_data;
-	char line[128], str[32], idxstr[16], *cptr;
+	char line[128], str[32], idxstr[16];
+	const char *cptr;
 	int ch, idx;
 	struct snd_mixer_oss_assign_table *tbl;
 	struct slot *slot;
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index dbe406b8259..d8b2d76125b 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -2836,7 +2836,8 @@ static void snd_pcm_oss_proc_write(struct snd_info_entry *entry,
 				   struct snd_info_buffer *buffer)
 {
 	struct snd_pcm_str *pstr = entry->private_data;
-	char line[128], str[32], task_name[32], *ptr;
+	char line[128], str[32], task_name[32];
+	const char *ptr;
 	int idx1;
 	struct snd_pcm_oss_setup *setup, *setup1, template;
 
-- 
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