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Added SND_CTL_READONLY

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This commit is contained in:
Jaroslav Kysela 2002-12-04 14:36:39 +00:00
parent 098932ce57
commit 7fcea07002
3 changed files with 7 additions and 3 deletions
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3
include/control.h
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@ -180,6 +180,9 @@ typedef enum _snd_ctl_type {
/** Async notification (flag for open mode) \hideinitializer */ /** Async notification (flag for open mode) \hideinitializer */
#define SND_CTL_ASYNC 0x0002 #define SND_CTL_ASYNC 0x0002
/** Read only (flag for open mode) \hideinitializer */
#define SND_CTL_READONLY 0x0004
/** CTL handle */ /** CTL handle */
typedef struct _snd_ctl snd_ctl_t; typedef struct _snd_ctl snd_ctl_t;

5
src/control/control_hw.c
View file

@ -302,7 +302,10 @@ int snd_ctl_hw_open(snd_ctl_t **handle, const char *name, int card, int mode)
assert(card >= 0 && card < 32); assert(card >= 0 && card < 32);
sprintf(filename, SNDRV_FILE_CONTROL, card); sprintf(filename, SNDRV_FILE_CONTROL, card);
fmode = O_RDWR; if (mode & SND_CTL_READONLY)
fmode = O_RDONLY;
else
fmode = O_RDWR;
if (mode & SND_CTL_NONBLOCK) if (mode & SND_CTL_NONBLOCK)
fmode |= O_NONBLOCK; fmode |= O_NONBLOCK;
if (mode & SND_CTL_ASYNC) if (mode & SND_CTL_ASYNC)

2
src/dlmisc.c
View file

@ -48,8 +48,6 @@ struct snd_dlsym_link *snd_dlsym_start = NULL;
*/ */
void *snd_dlopen(const char *name, int mode) void *snd_dlopen(const char *name, int mode)
{ {
void *res;
#ifndef PIC #ifndef PIC
if (name == NULL) if (name == NULL)
return &snd_dlsym_start; return &snd_dlsym_start;