diff options
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/generic/simple-card.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index b63860ddb4fd..e0abe772c040 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -185,6 +185,7 @@ static int asoc_simple_card_dai_link_of(struct device_node *node, char *prefix = ""; int ret, cpu_args; + /* For single DAI link & old style of DT node */ if (is_top_level_node) prefix = "simple-audio-card,"; @@ -318,14 +319,16 @@ dai_link_of_err: static int asoc_simple_card_parse_of(struct device_node *node, struct simple_card_data *priv, - struct device *dev, - int multi) + struct device *dev) { struct snd_soc_dai_link *dai_link = priv->snd_card.dai_link; struct simple_dai_props *dai_props = priv->dai_props; u32 val; int ret; + if (!node) + return -EINVAL; + /* parsing the card name from DT */ snd_soc_of_parse_card_name(&priv->snd_card, "simple-audio-card,name"); @@ -353,7 +356,8 @@ static int asoc_simple_card_parse_of(struct device_node *node, dev_dbg(dev, "New simple-card: %s\n", priv->snd_card.name ? priv->snd_card.name : ""); - if (multi) { + /* Single/Muti DAI link(s) & New style of DT node */ + if (of_get_child_by_name(node, "simple-audio-card,dai-link")) { struct device_node *np = NULL; int i = 0; @@ -370,6 +374,7 @@ static int asoc_simple_card_parse_of(struct device_node *node, i++; } } else { + /* For single DAI link & old style of DT node */ ret = asoc_simple_card_dai_link_of(node, dev, dai_link, dai_props, true); if (ret < 0) @@ -409,16 +414,13 @@ static int asoc_simple_card_probe(struct platform_device *pdev) struct snd_soc_dai_link *dai_link; struct device_node *np = pdev->dev.of_node; struct device *dev = &pdev->dev; - int num_links, multi, ret; + int num_links, ret; /* get the number of DAI links */ - if (np && of_get_child_by_name(np, "simple-audio-card,dai-link")) { + if (np && of_get_child_by_name(np, "simple-audio-card,dai-link")) num_links = of_get_child_count(np); - multi = 1; - } else { + else num_links = 1; - multi = 0; - } /* allocate the private data and the DAI link array */ priv = devm_kzalloc(dev, @@ -445,7 +447,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev) if (np && of_device_is_available(np)) { - ret = asoc_simple_card_parse_of(np, priv, dev, multi); + ret = asoc_simple_card_parse_of(np, priv, dev); if (ret < 0) { if (ret != -EPROBE_DEFER) dev_err(dev, "parse error %d\n", ret); |