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authorTakashi Iwai <tiwai@suse.de>2013-06-28 11:56:49 +0200
committerTakashi Iwai <tiwai@suse.de>2013-06-28 12:14:44 +0200
commit975cc02a904ae385721f1bdb65eb1bcf707dfaf1 (patch)
tree9ca3c2937ff979fe3f7266f9c1902a60011a61f0 /include/uapi
parent0c055b3413868227f2e85701c4e6938c9581f0e2 (diff)
downloadlinux-975cc02a904ae385721f1bdb65eb1bcf707dfaf1.tar.gz
ALSA: Replace the magic number 44 with const
The char arrays with size 44 are for the name string of
snd_ctl_elem_id.  Define the constant and replace the raw numbers with
it for clarifying better.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/sound/asound.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h
index e3983d508272..041203f20f6d 100644
--- a/include/uapi/sound/asound.h
+++ b/include/uapi/sound/asound.h
@@ -817,6 +817,8 @@ typedef int __bitwise snd_ctl_elem_iface_t;
 #define SNDRV_CTL_POWER_D3hot		(SNDRV_CTL_POWER_D3|0x0000)	/* Off, with power */
 #define SNDRV_CTL_POWER_D3cold		(SNDRV_CTL_POWER_D3|0x0001)	/* Off, without power */
 
+#define SNDRV_CTL_ELEM_ID_NAME_MAXLEN	44
+
 struct snd_ctl_elem_id {
 	unsigned int numid;		/* numeric identifier, zero = invalid */
 	snd_ctl_elem_iface_t iface;	/* interface identifier */