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Updates for the control interface...

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This commit is contained in:
Jaroslav Kysela 1999-06-22 13:18:24 +00:00
parent d00535cc1b
commit 227fe9d226
4 changed files with 19 additions and 2 deletions
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16
src/control/control.c
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@ -29,7 +29,7 @@
#include "asoundlib.h"
#define SND_FILE_CONTROL "/dev/snd/controlC%i"
#define SND_CTL_VERSION_MAX SND_PROTOCOL_VERSION( 1, 0, 0 )
#define SND_CTL_VERSION_MAX SND_PROTOCOL_VERSION(2, 0, 0)
struct snd_ctl {
int card;
@ -143,6 +143,20 @@ int snd_ctl_switch_write(snd_ctl_t *handle, snd_switch_t *sw)
return 0;
}
int snd_ctl_hwdep_info(snd_ctl_t *handle, int dev, snd_hwdep_info_t * info)
{
snd_ctl_t *ctl;
ctl = handle;
if (!ctl || !info || dev < 0)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_HWDEP_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_HWDEP_INFO, info) < 0)
return -errno;
return 0;
}
int snd_ctl_pcm_info(snd_ctl_t *handle, int dev, snd_pcm_info_t * info)
{
snd_ctl_t *ctl;