The function asoc_simple_card_sub_parse_of() is used to parse either
the CPU or CODEC DAI.
To prepare support of many CODECs in a DAI link, the parsing of the
phandle and DAI name must be moved to the upper function
asoc_simple_card_dai_link_of().
Signed-off-by: Jean-Francois Moine <moin...@free.fr>
---
sound/soc/generic/simple-card.c | 57 ++++++++++++++++++++---------------------
1 file changed, 28 insertions(+), 29 deletions(-)
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index fb9240f..170de17 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -172,34 +172,12 @@ static int asoc_simple_card_dai_init(struct
snd_soc_pcm_runtime *rtd)
static int
asoc_simple_card_sub_parse_of(struct device_node *np,
struct asoc_simple_dai *dai,
- struct device_node **p_node,
- const char **name,
- int *args_count)
+ struct device_node *dai_np)
{
- struct of_phandle_args args;
struct clk *clk;
u32 val;
int ret;
- /*
- * Get node via "sound-dai = <&phandle port>"
- * it will be used as xxx_of_node on soc_bind_dai_link()
- */
- ret = of_parse_phandle_with_args(np, "sound-dai",
- "#sound-dai-cells", 0, &args);
- if (ret)
- return ret;
-
- *p_node = args.np;
-
- if (args_count)
- *args_count = args.args_count;
-
- /* Get dai->name */
- ret = snd_soc_of_get_dai_name(np, name);
- if (ret < 0)
- return ret;
-
/* Parse TDM slot */
ret = snd_soc_of_parse_tdm_slot(np, &dai->slots, &dai->slot_width);
if (ret)
@@ -222,7 +200,7 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
} else if (!of_property_read_u32(np, "system-clock-frequency", &val)) {
dai->sysclk = val;
} else {
- clk = of_clk_get(args.np, 0);
+ clk = of_clk_get(dai_np, 0);
if (!IS_ERR(clk))
dai->sysclk = clk_get_rate(clk);
}
@@ -286,6 +264,7 @@ static int asoc_simple_card_dai_link_of(struct device_node
*node,
struct simple_dai_props *dai_props = simple_priv_to_props(priv, idx);
struct device_node *cpu = NULL;
struct device_node *codec = NULL;
+ struct of_phandle_args args;
char *name;
char prop[128];
char *prefix = "";
@@ -312,16 +291,36 @@ static int asoc_simple_card_dai_link_of(struct
device_node *node,
if (ret < 0)
goto dai_link_of_err;
+ /* Get the CPU node and name */
+ ret = of_parse_phandle_with_args(cpu, "sound-dai",
+ "#sound-dai-cells", 0, &args);
+ if (ret)
+ goto dai_link_of_err;
+ dai_link->cpu_of_node = args.np;
+ cpu_args = args.args_count;
+
+ ret = snd_soc_of_get_dai_name(cpu, &dai_link->cpu_dai_name);
+ if (ret < 0)
+ goto dai_link_of_err;
+
ret = asoc_simple_card_sub_parse_of(cpu, &dai_props->cpu_dai,
- &dai_link->cpu_of_node,
- &dai_link->cpu_dai_name,
- &cpu_args);
+ dai_link->cpu_of_node);
if (ret < 0)
goto dai_link_of_err;
+ /* Get the node and name of the CODEC */
+ ret = of_parse_phandle_with_args(codec, "sound-dai",
+ "#sound-dai-cells", 0, &args);
+ if (ret < 0)
+ goto dai_link_of_err;
+ dai_link->codec_of_node = args.np;
+
+ ret = snd_soc_of_get_dai_name(codec, &dai_link->codec_dai_name);
+ if (ret < 0)
+ goto dai_link_of_err;
+
ret = asoc_simple_card_sub_parse_of(codec, &dai_props->codec_dai,
- &dai_link->codec_of_node,
- &dai_link->codec_dai_name, NULL);
+ dai_link->codec_of_node);
if (ret < 0)
goto dai_link_of_err;
--
2.1.4
--
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