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Changed the switch interface.

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Every switches are accessible via one ioctl.
This commit is contained in:
Jaroslav Kysela 2000-03-01 18:12:30 +00:00
parent ea8a84d3c1
commit 4931c0c7e2
5 changed files with 41 additions and 314 deletions
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206
src/control/control.c
View file

@ -1,6 +1,6 @@
/*
* Control Interface - main file
* Copyright (c) 1998 by Jaroslav Kysela <perex@suse.cz>
* Copyright (c) 1998,1999,2000 by Jaroslav Kysela <perex@suse.cz>
*
*
* This library is free software; you can redistribute it and/or modify
@ -205,84 +205,6 @@ int snd_ctl_pcm_channel_prefer_subdevice(snd_ctl_t *handle, int dev, int chn, in
return 0;
}
int snd_ctl_pcm_channel_switch_list(snd_ctl_t *handle, int dev, int chn, snd_switch_list_t *list)
{
snd_ctl_t *ctl;
ctl = handle;
if (!ctl || dev < 0 || chn < 0 || chn > 1 || !list)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_CHANNEL, &chn) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_SWITCH_LIST, list) < 0)
return -errno;
return 0;
}
int snd_ctl_pcm_playback_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t *list)
{
return snd_ctl_pcm_channel_switch_list(handle, dev, SND_PCM_CHANNEL_PLAYBACK, list);
}
int snd_ctl_pcm_capture_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t *list)
{
return snd_ctl_pcm_channel_switch_list(handle, dev, SND_PCM_CHANNEL_CAPTURE, list);
}
int snd_ctl_pcm_channel_switch_read(snd_ctl_t *handle, int dev, int chn, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = handle;
if (!ctl || !sw || dev < 0 || chn < 0 || chn > 1 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_CHANNEL, &chn) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_SWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_ctl_pcm_playback_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
return snd_ctl_pcm_channel_switch_read(handle, dev, SND_PCM_CHANNEL_PLAYBACK, sw);
}
int snd_ctl_pcm_capture_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
return snd_ctl_pcm_channel_switch_read(handle, dev, SND_PCM_CHANNEL_CAPTURE, sw);
}
int snd_ctl_pcm_channel_switch_write(snd_ctl_t *handle, int dev, int chn, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = handle;
if (!ctl || !sw || dev < 0 || chn < 0 || chn > 1 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_CHANNEL, &chn) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_PCM_SWITCH_WRITE, sw) < 0)
return -errno;
return 0;
}
int snd_ctl_pcm_playback_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
return snd_ctl_pcm_channel_switch_write(handle, dev, SND_PCM_CHANNEL_PLAYBACK, sw);
}
int snd_ctl_pcm_capture_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
return snd_ctl_pcm_channel_switch_write(handle, dev, SND_PCM_CHANNEL_CAPTURE, sw);
}
int snd_ctl_mixer_info(snd_ctl_t *handle, int dev, snd_mixer_info_t * info)
{
snd_ctl_t *ctl;
@ -297,48 +219,6 @@ int snd_ctl_mixer_info(snd_ctl_t *handle, int dev, snd_mixer_info_t * info)
return 0;
}
int snd_ctl_mixer_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t * list)
{
snd_ctl_t *ctl;
ctl = handle;
if (!ctl || !list || dev < 0)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_SWITCH_LIST, list) < 0)
return -errno;
return 0;
}
int snd_ctl_mixer_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_SWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_ctl_mixer_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_MIXER_SWITCH_WRITE, sw) < 0)
return -errno;
return 0;
}
int snd_ctl_rawmidi_info(snd_ctl_t *handle, int dev, snd_rawmidi_info_t * info)
{
snd_ctl_t *ctl;
@ -353,84 +233,6 @@ int snd_ctl_rawmidi_info(snd_ctl_t *handle, int dev, snd_rawmidi_info_t * info)
return 0;
}
int snd_ctl_rawmidi_channel_switch_list(snd_ctl_t *handle, int dev, int chn, snd_switch_list_t *list)
{
snd_ctl_t *ctl;
ctl = handle;
if (!ctl || !list || dev < 0)
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_CHANNEL, &chn) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_SWITCH_LIST, list) < 0)
return -errno;
return 0;
}
int snd_ctl_rawmidi_channel_switch_read(snd_ctl_t *handle, int dev, int chn, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_CHANNEL, &chn) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_SWITCH_READ, sw) < 0)
return -errno;
return 0;
}
int snd_ctl_rawmidi_channel_switch_write(snd_ctl_t *handle, int dev, int chn, snd_switch_t * sw)
{
snd_ctl_t *ctl;
ctl = handle;
if (!ctl || !sw || dev < 0 || sw->name[0] == '\0')
return -EINVAL;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_DEVICE, &dev) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_CHANNEL, &chn) < 0)
return -errno;
if (ioctl(ctl->fd, SND_CTL_IOCTL_RAWMIDI_SWITCH_WRITE, sw) < 0)
return -errno;
return 0;
}
int snd_ctl_rawmidi_output_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t *list)
{
return snd_ctl_rawmidi_channel_switch_list(handle, dev, SND_RAWMIDI_CHANNEL_OUTPUT, list);
}
int snd_ctl_rawmidi_output_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
return snd_ctl_rawmidi_channel_switch_read(handle, dev, SND_RAWMIDI_CHANNEL_OUTPUT, sw);
}
int snd_ctl_rawmidi_output_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
return snd_ctl_rawmidi_channel_switch_write(handle, dev, SND_RAWMIDI_CHANNEL_OUTPUT, sw);
}
int snd_ctl_rawmidi_input_switch_list(snd_ctl_t *handle, int dev, snd_switch_list_t *list)
{
return snd_ctl_rawmidi_channel_switch_list(handle, dev, SND_RAWMIDI_CHANNEL_INPUT, list);
}
int snd_ctl_rawmidi_input_switch_read(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
return snd_ctl_rawmidi_channel_switch_read(handle, dev, SND_RAWMIDI_CHANNEL_INPUT, sw);
}
int snd_ctl_rawmidi_input_switch_write(snd_ctl_t *handle, int dev, snd_switch_t * sw)
{
return snd_ctl_rawmidi_channel_switch_write(handle, dev, SND_RAWMIDI_CHANNEL_INPUT, sw);
}
int snd_ctl_read(snd_ctl_t *handle, snd_ctl_callbacks_t * callbacks)
{
snd_ctl_t *ctl;
@ -456,7 +258,11 @@ int snd_ctl_read(snd_ctl_t *handle, snd_ctl_callbacks_t * callbacks)
case SND_CTL_READ_SWITCH_ADD:
case SND_CTL_READ_SWITCH_REMOVE:
if (callbacks->xswitch)
callbacks->xswitch(callbacks->private_data, r.cmd, r.data.sw.iface, &r.data.sw.switem);
callbacks->xswitch(callbacks->private_data,
r.cmd, r.data.sw.iface,
r.data.sw.device,
r.data.sw.channel,
&r.data.sw.switem);
break;
}
count++;