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Diffstat (limited to 'sound/soc/sh/rcar/dvc.c')
-rw-r--r--sound/soc/sh/rcar/dvc.c45
1 files changed, 28 insertions, 17 deletions
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c
index d7f9ed959c4e..e5fcb062ad77 100644
--- a/sound/soc/sh/rcar/dvc.c
+++ b/sound/soc/sh/rcar/dvc.c
@@ -24,6 +24,9 @@ struct rsnd_dvc {
struct rsnd_kctrl_cfg_s rdown; /* Ramp Rate Down */
};
+#define rsnd_dvc_of_node(priv) \
+ of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,dvc")
+
#define rsnd_mod_to_dvc(_mod) \
container_of((_mod), struct rsnd_dvc, mod)
@@ -33,7 +36,7 @@ struct rsnd_dvc {
((pos) = (struct rsnd_dvc *)(priv)->dvc + i); \
i++)
-static const char const *dvc_ramp_rate[] = {
+static const char * const dvc_ramp_rate[] = {
"128 dB/1 step", /* 00000 */
"64 dB/1 step", /* 00001 */
"32 dB/1 step", /* 00010 */
@@ -116,17 +119,6 @@ static void rsnd_dvc_volume_update(struct rsnd_mod *mod)
rsnd_mod_write(mod, DVC_DVUER, 1);
}
-static int rsnd_dvc_probe_gen2(struct rsnd_mod *mod,
- struct rsnd_priv *priv)
-{
- struct device *dev = rsnd_priv_to_dev(priv);
-
- dev_dbg(dev, "%s[%d] (Gen2) is probed\n",
- rsnd_mod_name(mod), rsnd_mod_id(mod));
-
- return 0;
-}
-
static int rsnd_dvc_remove_gen2(struct rsnd_mod *mod,
struct rsnd_priv *priv)
{
@@ -269,9 +261,17 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
return 0;
}
+static struct dma_chan *rsnd_dvc_dma_req(struct rsnd_mod *mod)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+
+ return rsnd_dma_request_channel(rsnd_dvc_of_node(priv),
+ mod, "tx");
+}
+
static struct rsnd_mod_ops rsnd_dvc_ops = {
.name = DVC_NAME,
- .probe = rsnd_dvc_probe_gen2,
+ .dma_req = rsnd_dvc_dma_req,
.remove = rsnd_dvc_remove_gen2,
.init = rsnd_dvc_init,
.quit = rsnd_dvc_quit,
@@ -333,7 +333,7 @@ int rsnd_dvc_probe(struct platform_device *pdev,
struct rsnd_dvc *dvc;
struct clk *clk;
char name[RSND_DVC_NAME_SIZE];
- int i, nr;
+ int i, nr, ret;
rsnd_of_parse_dvc(pdev, of_data, priv);
@@ -366,11 +366,22 @@ int rsnd_dvc_probe(struct platform_device *pdev,
dvc->info = &info->dvc_info[i];
- rsnd_mod_init(&dvc->mod, &rsnd_dvc_ops,
+ ret = rsnd_mod_init(&dvc->mod, &rsnd_dvc_ops,
clk, RSND_MOD_DVC, i);
-
- dev_dbg(dev, "CMD%d probed\n", i);
+ if (ret)
+ return ret;
}
return 0;
}
+
+void rsnd_dvc_remove(struct platform_device *pdev,
+ struct rsnd_priv *priv)
+{
+ struct rsnd_dvc *dvc;
+ int i;
+
+ for_each_rsnd_dvc(dvc, priv, i) {
+ rsnd_mod_quit(&dvc->mod);
+ }
+}