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Implement get_chmap/set_chmap for PCM extplug/ioplug plugins

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Added the new ops for both external plugins, so the protocol numbers
are incremented.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-07-25 15:54:45 +02:00
parent 3fb013065f
commit 662f79d4ec
4 changed files with 93 additions and 3 deletions
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33
src/pcm/pcm_ioplug.c
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@ -710,6 +710,36 @@ static int snd_pcm_ioplug_munmap(snd_pcm_t *pcm ATTRIBUTE_UNUSED)
return 0;
}
static int **snd_pcm_ioplug_query_chmaps(snd_pcm_t *pcm)
{
ioplug_priv_t *io = pcm->private_data;
if (io->data->version >= 0x010002 &&
io->data->callback->query_chmaps)
return io->data->callback->query_chmaps(io->data);
return NULL;
}
static int *snd_pcm_ioplug_get_chmap(snd_pcm_t *pcm)
{
ioplug_priv_t *io = pcm->private_data;
if (io->data->version >= 0x010002 &&
io->data->callback->get_chmap)
return io->data->callback->get_chmap(io->data);
return NULL;
}
static int snd_pcm_ioplug_set_chmap(snd_pcm_t *pcm, const int *map)
{
ioplug_priv_t *io = pcm->private_data;
if (io->data->version >= 0x010002 &&
io->data->callback->set_chmap)
return io->data->callback->set_chmap(io->data, map);
return -ENXIO;
}
static void snd_pcm_ioplug_dump(snd_pcm_t *pcm, snd_output_t *out)
{
ioplug_priv_t *io = pcm->private_data;
@ -760,6 +790,9 @@ static const snd_pcm_ops_t snd_pcm_ioplug_ops = {
.dump = snd_pcm_ioplug_dump,
.mmap = snd_pcm_ioplug_mmap,
.munmap = snd_pcm_ioplug_munmap,
.query_chmaps = snd_pcm_ioplug_query_chmaps,
.get_chmap = snd_pcm_ioplug_get_chmap,
.set_chmap = snd_pcm_ioplug_set_chmap,
};
static const snd_pcm_fast_ops_t snd_pcm_ioplug_fast_ops = {