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The highlevel control layer was rewritten and updated.

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Various fixes in mixer simple layer.
Added include/list.h (from the kernel tree).
This commit is contained in:
Jaroslav Kysela 2000-08-11 19:28:43 +00:00
parent b99128d8de
commit 82102903fe
7 changed files with 382 additions and 189 deletions
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7
src/control/control.c
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@ -64,6 +64,7 @@ int snd_ctl_open(snd_ctl_t **handle, int card)
}
ctl->card = card;
ctl->fd = fd;
INIT_LIST_HEAD(&ctl->hlist);
*handle = ctl;
return 0;
}
@ -101,7 +102,7 @@ int snd_ctl_clist(snd_ctl_t *handle, snd_control_list_t *list)
int snd_ctl_cinfo(snd_ctl_t *handle, snd_control_info_t *info)
{
assert(handle && info && info->id.name[0]);
assert(handle && info && (info->id.name[0] || info->id.numid));
if (ioctl(handle->fd, SND_CTL_IOCTL_CONTROL_INFO, info) < 0)
return -errno;
return 0;
@ -109,7 +110,7 @@ int snd_ctl_cinfo(snd_ctl_t *handle, snd_control_info_t *info)
int snd_ctl_cread(snd_ctl_t *handle, snd_control_t *control)
{
assert(handle && control && control->id.name[0]);
assert(handle && control && (control->id.name[0] || control->id.numid));
if (ioctl(handle->fd, SND_CTL_IOCTL_CONTROL_READ, control) < 0)
return -errno;
return 0;
@ -117,7 +118,7 @@ int snd_ctl_cread(snd_ctl_t *handle, snd_control_t *control)
int snd_ctl_cwrite(snd_ctl_t *handle, snd_control_t *control)
{
assert(handle && control && control->id.name[0]);
assert(handle && control && (control->id.name[0] || control->id.numid));
if (ioctl(handle->fd, SND_CTL_IOCTL_CONTROL_WRITE, control) < 0)
return -errno;
return 0;