static int rsnd_src_quit(struct rsnd_mod *mod,
struct rsnd_priv *priv)
{
struct rsnd_src *src = rsnd_mod_to_src(mod);
struct device *dev = rsnd_priv_to_dev(priv);
rsnd_mod_hw_stop(mod);
if (src->err)
dev_warn(dev, "%s[%d] under/over flow err = %d\n",
rsnd_mod_name(mod), rsnd_mod_id(mod), src->err);
return 0;
}
static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi)
{
struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod);
struct rsnd_dai_stream *io = rsnd_mod_to_io(&ssi->mod);
struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
struct device *dev = rsnd_priv_to_dev(priv);
u32 cr;
if (0 == ssi->usrcnt) /* stop might be called without start */
return;
ssi->usrcnt--;
if (0 == ssi->usrcnt) {
/*
* disable all IRQ,
* and, wait all data was sent
*/
cr = ssi->cr_own |
ssi->cr_clk;
rsnd_mod_write(&ssi->mod, SSICR, cr | EN);
rsnd_ssi_status_check(&ssi->mod, DIRQ);
/*
* disable SSI,
* and, wait idle state
*/
rsnd_mod_write(&ssi->mod, SSICR, cr); /* disabled all */
rsnd_ssi_status_check(&ssi->mod, IIRQ);
if (rsnd_rdai_is_clk_master(rdai)) {
if (rsnd_ssi_clk_from_parent(ssi))
rsnd_ssi_hw_stop(ssi->parent);
else
rsnd_ssi_master_clk_stop(ssi);
}
rsnd_mod_hw_stop(&ssi->mod);
}
dev_dbg(dev, "%s[%d] hw stopped\n",
rsnd_mod_name(&ssi->mod), rsnd_mod_id(&ssi->mod));
}
