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Recoded the universal switch interface...

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This commit is contained in:
Jaroslav Kysela 1999-05-04 19:21:28 +00:00
parent a5b307a711
commit 6e72ca3977
8 changed files with 42 additions and 204 deletions
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43
src/mixer/mixer.c
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@ -193,42 +193,6 @@ int snd_mixer_element_write(void *handle, snd_mixer_element_t * element)
return 0;
}
int snd_mixer_switch_list(void *handle, snd_switch_list_t * list)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
if (!mixer || !list)
return -EINVAL;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_SWITCH_LIST, &list) < 0)
return -errno;
return 0;
}
int snd_mixer_switch_read(void *handle, snd_switch_t * sw)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
if (!mixer || !sw || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_SWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_mixer_switch_write(void *handle, snd_switch_t * sw)
{
snd_mixer_t *mixer;
mixer = (snd_mixer_t *) handle;
if (!mixer || !sw || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(mixer->fd, SND_MIXER_IOCTL_SWITCH_WRITE, sw) < 0)
return -errno;
return 0;
}
int snd_mixer_read(void *handle, snd_mixer_callbacks_t * callbacks)
{
snd_mixer_t *mixer;
@ -263,13 +227,6 @@ int snd_mixer_read(void *handle, snd_mixer_callbacks_t * callbacks)
if (callbacks->group)
callbacks->group(callbacks->private_data, r.cmd, &r.data.gid);
break;
case SND_MIXER_READ_SWITCH_VALUE:
case SND_MIXER_READ_SWITCH_CHANGE:
case SND_MIXER_READ_SWITCH_ADD:
case SND_MIXER_READ_SWITCH_REMOVE:
if (callbacks->xswitch)
callbacks->xswitch(callbacks->private_data, r.cmd, &r.data.switem);
break;
}
count++;
}