[PATCH] sound: use enum names instead of magic numbers

From: Joe Perches
Date: Sat Nov 29 2014 - 15:59:08 EST


There's an enum defined for these magic numbers,
might as well use it.

Miscellanea:
o Use ##__VA_ARGS__

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
include/sound/core.h | 28 +++++++++++++++-------------
sound/core/misc.c | 6 +++---
2 files changed, 18 insertions(+), 16 deletions(-)

diff --git a/include/sound/core.h b/include/sound/core.h
index 1df3f2f..40418e7 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -325,7 +325,7 @@ void release_and_free_resource(struct resource *res);
/* --- */

/* sound printk debug levels */
-enum {
+enum snd_level {
SND_PR_ALWAYS,
SND_PR_DEBUG,
SND_PR_VERBOSE,
@@ -333,11 +333,11 @@ enum {

#if defined(CONFIG_SND_DEBUG) || defined(CONFIG_SND_VERBOSE_PRINTK)
__printf(4, 5)
-void __snd_printk(unsigned int level, const char *file, int line,
+void __snd_printk(enum snd_level snd_level, const char *file, int line,
const char *format, ...);
#else
-#define __snd_printk(level, file, line, format, args...) \
- printk(format, ##args)
+#define __snd_printk(snd_level, file, line, format, ...) \
+ printk(format, ##__VA_ARGS__)
#endif

/**
@@ -347,8 +347,8 @@ void __snd_printk(unsigned int level, const char *file, int line,
* Works like printk() but prints the file and the line of the caller
* when configured with CONFIG_SND_VERBOSE_PRINTK.
*/
-#define snd_printk(fmt, args...) \
- __snd_printk(0, __FILE__, __LINE__, fmt, ##args)
+#define snd_printk(fmt, ...) \
+ __snd_printk(SND_PR_ALWAYS, __FILE__, __LINE__, fmt, ##__VA_ARGS__)

#ifdef CONFIG_SND_DEBUG
/**
@@ -358,10 +358,10 @@ void __snd_printk(unsigned int level, const char *file, int line,
* Works like snd_printk() for debugging purposes.
* Ignored when CONFIG_SND_DEBUG is not set.
*/
-#define snd_printd(fmt, args...) \
- __snd_printk(1, __FILE__, __LINE__, fmt, ##args)
-#define _snd_printd(level, fmt, args...) \
- __snd_printk(level, __FILE__, __LINE__, fmt, ##args)
+#define snd_printd(fmt, ...) \
+ __snd_printk(SND_PR_DEBUG, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
+#define _snd_printd(level, fmt, ...) \
+ __snd_printk(level, __FILE__, __LINE__, fmt, ##__VA_ARGS__)

/**
* snd_BUG - give a BUG warning message and stack trace
@@ -390,7 +390,8 @@ void __snd_printk(unsigned int level, const char *file, int line,
__printf(1, 2)
static inline void snd_printd(const char *format, ...) {}
__printf(2, 3)
-static inline void _snd_printd(int level, const char *format, ...) {}
+static inline void _snd_printd(enum snd_level snd_level,
+ const char *format, ...) {}

#define snd_BUG() do { } while (0)

@@ -411,8 +412,9 @@ static inline bool snd_printd_ratelimit(void) { return false; }
* Works like snd_printk() for debugging purposes.
* Ignored when CONFIG_SND_DEBUG_VERBOSE is not set.
*/
-#define snd_printdd(format, args...) \
- __snd_printk(2, __FILE__, __LINE__, format, ##args)
+#define snd_printdd(format, ...) \
+ __snd_printk(SND_PR_VERBOSE, __FILE__, __LINE__, \
+ format, ##__VA_ARGS__)
#else
__printf(1, 2)
static inline void snd_printdd(const char *format, ...) {}
diff --git a/sound/core/misc.c b/sound/core/misc.c
index f2e8226..03b3f56 100644
--- a/sound/core/misc.c
+++ b/sound/core/misc.c
@@ -63,7 +63,7 @@ static const char *sanity_file_name(const char *path)
#endif

#if defined(CONFIG_SND_DEBUG) || defined(CONFIG_SND_VERBOSE_PRINTK)
-void __snd_printk(unsigned int level, const char *path, int line,
+void __snd_printk(enum snd_level snd_level, const char *path, int line,
const char *format, ...)
{
va_list args;
@@ -74,7 +74,7 @@ void __snd_printk(unsigned int level, const char *path, int line,
#endif

#ifdef CONFIG_SND_DEBUG
- if (debug < level)
+ if (debug < snd_level)
return;
#endif

@@ -88,7 +88,7 @@ void __snd_printk(unsigned int level, const char *path, int line,
const char *end_of_header = printk_skip_level(format);
memcpy(verbose_fmt, format, end_of_header - format);
vaf.fmt = end_of_header;
- } else if (level)
+ } else if (snd_level)
memcpy(verbose_fmt, KERN_DEBUG, sizeof(KERN_DEBUG) - 1);
printk(verbose_fmt, sanity_file_name(path), line, &vaf);



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