ASoC: rsrc-card: used "fe.xxx"/"be.xxx" name for dai_link

Current dai_link name is using "cpu_dai_name + codec_dai_name",
but one of them is always "snd-soc-dummy-dai" when DPCM.
This patch uses "fe.xxx" for cpu, "be.xxx" for codec.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Keita Kobayashi <keita.kobayashi.ym@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sh/rcar/rsrc-card.c b/sound/soc/sh/rcar/rsrc-card.c
index 050b0db..9a1926f 100644 (file)
--- a/sound/soc/sh/rcar/rsrc-card.c
+++ b/sound/soc/sh/rcar/rsrc-card.c
@@ -55,11 +55,13 @@ struct rsrc_card_dai {
 #define RSRC_FB_NUM    2 /* FE/BE */
 #define IDX_CPU                0
 #define IDX_CODEC      1
+#define DAI_NAME_NUM   32
 struct rsrc_card_priv {
        struct snd_soc_card snd_card;
        struct rsrc_card_dai_props {
                struct rsrc_card_dai cpu_dai;
                struct rsrc_card_dai codec_dai;
+               char dai_name[DAI_NAME_NUM];
        } dai_props[RSRC_FB_NUM];
        struct snd_soc_codec_conf codec_conf;
        struct snd_soc_dai_link dai_link[RSRC_FB_NUM];
@@ -309,7 +311,7 @@ static int rsrc_card_dai_link_of(struct device_node *node,
        struct rsrc_card_dai_props *dai_props = rsrc_priv_to_props(priv, idx);
        struct device_node *cpu = NULL;
        struct device_node *codec = NULL;
-       char *name;
+       char *name = dai_props->dai_name;
        char prop[128];
        int ret, cpu_args;
 
@@ -348,18 +350,10 @@ static int rsrc_card_dai_link_of(struct device_node *node,
        /* Simple Card assumes platform == cpu */
        dai_link->platform_of_node = dai_link->cpu_of_node;
 
-       /* DAI link name is created from CPU/CODEC dai name */
-       name = devm_kzalloc(dev,
-                           strlen(dai_link->cpu_dai_name)   +
-                           strlen(dai_link->codec_dai_name) + 2,
-                           GFP_KERNEL);
-       if (!name) {
-               ret = -ENOMEM;
-               goto dai_link_of_err;
-       }
-
-       sprintf(name, "%s-%s", dai_link->cpu_dai_name,
-               dai_link->codec_dai_name);
+       snprintf(name, DAI_NAME_NUM, "%s.%s",
+               dai_link->dynamic ? "fe" : "be",
+               dai_link->dynamic ? dai_link->cpu_dai_name :
+                                   dai_link->codec_dai_name);
        dai_link->name = dai_link->stream_name = name;
        dai_link->ops = &rsrc_card_ops;
        dai_link->init = rsrc_card_dai_init;