static void rsnd_dma_of_name(struct rsnd_dma *dma,
int is_play, char *dma_name)
{
struct rsnd_mod *this = rsnd_dma_to_mod(dma);
struct rsnd_dai_stream *io = rsnd_mod_to_io(this);
struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io);
struct rsnd_mod *src = rsnd_io_to_mod_src(io);
struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
struct rsnd_mod *mod[MOD_MAX];
struct rsnd_mod *src_mod, *dst_mod;
int i, index;
for (i = 0; i < MOD_MAX; i++)
mod[i] = NULL;
/*
* in play case...
*
* src -> dst
*
* mem -> SSI
* mem -> SRC -> SSI
* mem -> SRC -> DVC -> SSI
*/
mod[0] = NULL; /* for "mem" */
index = 1;
for (i = 1; i < MOD_MAX; i++) {
if (!src) {
mod[i] = ssi;
} else if (!dvc) {
mod[i] = src;
src = NULL;
} else {
mod[i] = dvc;
dvc = NULL;
}
if (mod[i] == this)
index = i;
if (mod[i] == ssi)
break;
}
if (is_play) {
src_mod = mod[index - 1];
dst_mod = mod[index];
} else {
src_mod = mod[index];
dst_mod = mod[index + 1];
}
index = 0;
index = _rsnd_dma_of_name(dma_name + index, src_mod);
*(dma_name + index++) = '_';
index = _rsnd_dma_of_name(dma_name + index, dst_mod);
}
static void rsnd_dma_of_name(struct rsnd_mod *mod_from,
struct rsnd_mod *mod_to,
char *dma_name)
{
int index = 0;
index = _rsnd_dma_of_name(dma_name + index, mod_from);
*(dma_name + index++) = '_';
index = _rsnd_dma_of_name(dma_name + index, mod_to);
}
