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Diffstat (limited to 'sound/soc/generic/simple-card.c')
-rw-r--r--sound/soc/generic/simple-card.c44
1 files changed, 29 insertions, 15 deletions
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index be7c1db5388f..c0d928138c88 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -25,7 +25,7 @@ static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai,
daifmt |= set->fmt;
- if (!ret && daifmt)
+ if (daifmt)
ret = snd_soc_dai_set_fmt(dai, daifmt);
if (ret == -ENOTSUPP) {
@@ -90,14 +90,29 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
* dai->sysclk come from
* "clocks = <&xxx>" (if system has common clock)
* or "system-clock-frequency = <xxx>"
+ * or device's module clock.
*/
- clk = of_clk_get(np, 0);
- if (IS_ERR(clk))
+ if (of_property_read_bool(np, "clocks")) {
+ clk = of_clk_get(np, 0);
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ goto parse_error;
+ }
+
+ dai->sysclk = clk_get_rate(clk);
+ } else if (of_property_read_bool(np, "system-clock-frequency")) {
of_property_read_u32(np,
"system-clock-frequency",
&dai->sysclk);
- else
+ } else {
+ clk = of_clk_get(*node, 0);
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ goto parse_error;
+ }
+
dai->sysclk = clk_get_rate(clk);
+ }
ret = 0;
@@ -116,12 +131,18 @@ static int asoc_simple_card_parse_of(struct device_node *node,
{
struct device_node *np;
char *name;
- int ret = 0;
+ int ret;
/* get CPU/CODEC common format via simple-audio-card,format */
info->daifmt = snd_soc_of_parse_daifmt(node, "simple-audio-card,") &
(SND_SOC_DAIFMT_FORMAT_MASK | SND_SOC_DAIFMT_INV_MASK);
+ /* DAPM routes */
+ ret = snd_soc_of_parse_audio_routing(&info->snd_card,
+ "simple-audio-routing");
+ if (ret)
+ return ret;
+
/* CPU sub-node */
ret = -EINVAL;
np = of_get_child_by_name(node, "simple-audio-card,cpu");
@@ -185,6 +206,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
cinfo = devm_kzalloc(dev, sizeof(*cinfo), GFP_KERNEL);
if (cinfo) {
int ret;
+ cinfo->snd_card.dev = &pdev->dev;
ret = asoc_simple_card_parse_of(np, cinfo, dev,
&of_cpu,
&of_codec,
@@ -196,6 +218,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
}
}
} else {
+ cinfo->snd_card.dev = &pdev->dev;
cinfo = pdev->dev.platform_data;
}
@@ -235,16 +258,8 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
cinfo->snd_card.owner = THIS_MODULE;
cinfo->snd_card.dai_link = &cinfo->snd_link;
cinfo->snd_card.num_links = 1;
- cinfo->snd_card.dev = &pdev->dev;
-
- return snd_soc_register_card(&cinfo->snd_card);
-}
-
-static int asoc_simple_card_remove(struct platform_device *pdev)
-{
- struct asoc_simple_card_info *cinfo = pdev->dev.platform_data;
- return snd_soc_unregister_card(&cinfo->snd_card);
+ return devm_snd_soc_register_card(&pdev->dev, &cinfo->snd_card);
}
static const struct of_device_id asoc_simple_of_match[] = {
@@ -260,7 +275,6 @@ static struct platform_driver asoc_simple_card = {
.of_match_table = asoc_simple_of_match,
},
.probe = asoc_simple_card_probe,
- .remove = asoc_simple_card_remove,
};
module_platform_driver(asoc_simple_card);