ASoC: simple-card: simplify code
The OF pointers are put in the stack and then copied to the card descriptor. Put them directly at their right place. Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
parent
2bee991460
commit
201a0eac7f
|
@ -60,8 +60,9 @@ 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 **node)
|
||||
const struct device_node **p_node)
|
||||
{
|
||||
struct device_node *node;
|
||||
struct clk *clk;
|
||||
int ret;
|
||||
|
||||
|
@ -69,9 +70,10 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
|
|||
* get node via "sound-dai = <&phandle port>"
|
||||
* it will be used as xxx_of_node on soc_bind_dai_link()
|
||||
*/
|
||||
*node = of_parse_phandle(np, "sound-dai", 0);
|
||||
if (!*node)
|
||||
node = of_parse_phandle(np, "sound-dai", 0);
|
||||
if (!node)
|
||||
return -ENODEV;
|
||||
*p_node = node;
|
||||
|
||||
/* get dai->name */
|
||||
ret = snd_soc_of_get_dai_name(np, &dai->name);
|
||||
|
@ -104,7 +106,7 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
|
|||
"system-clock-frequency",
|
||||
&dai->sysclk);
|
||||
} else {
|
||||
clk = of_clk_get(*node, 0);
|
||||
clk = of_clk_get(node, 0);
|
||||
if (!IS_ERR(clk))
|
||||
dai->sysclk = clk_get_rate(clk);
|
||||
}
|
||||
|
@ -112,17 +114,14 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
|
|||
ret = 0;
|
||||
|
||||
parse_error:
|
||||
of_node_put(*node);
|
||||
of_node_put(node);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int asoc_simple_card_parse_of(struct device_node *node,
|
||||
struct asoc_simple_card_info *info,
|
||||
struct device *dev,
|
||||
struct device_node **of_cpu,
|
||||
struct device_node **of_codec,
|
||||
struct device_node **of_platform)
|
||||
struct device *dev)
|
||||
{
|
||||
struct device_node *np;
|
||||
char *name;
|
||||
|
@ -146,7 +145,7 @@ static int asoc_simple_card_parse_of(struct device_node *node,
|
|||
if (np)
|
||||
ret = asoc_simple_card_sub_parse_of(np,
|
||||
&info->cpu_dai,
|
||||
of_cpu);
|
||||
&info->snd_link.cpu_of_node);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
|
@ -156,7 +155,7 @@ static int asoc_simple_card_parse_of(struct device_node *node,
|
|||
if (np)
|
||||
ret = asoc_simple_card_sub_parse_of(np,
|
||||
&info->codec_dai,
|
||||
of_codec);
|
||||
&info->snd_link.codec_of_node);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
|
@ -173,7 +172,7 @@ static int asoc_simple_card_parse_of(struct device_node *node,
|
|||
info->snd_link.name = info->snd_link.stream_name = name;
|
||||
|
||||
/* simple-card assumes platform == cpu */
|
||||
*of_platform = *of_cpu;
|
||||
info->snd_link.platform_of_node = info->snd_link.cpu_of_node;
|
||||
|
||||
dev_dbg(dev, "card-name : %s\n", name);
|
||||
dev_dbg(dev, "platform : %04x\n", info->daifmt);
|
||||
|
@ -193,34 +192,29 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
|
|||
{
|
||||
struct asoc_simple_card_info *cinfo;
|
||||
struct device_node *np = pdev->dev.of_node;
|
||||
struct device_node *of_cpu, *of_codec, *of_platform;
|
||||
struct device *dev = &pdev->dev;
|
||||
int ret;
|
||||
|
||||
cinfo = NULL;
|
||||
of_cpu = NULL;
|
||||
of_codec = NULL;
|
||||
of_platform = NULL;
|
||||
|
||||
cinfo = devm_kzalloc(dev, sizeof(*cinfo), GFP_KERNEL);
|
||||
if (!cinfo)
|
||||
return -ENOMEM;
|
||||
|
||||
if (np && of_device_is_available(np)) {
|
||||
cinfo->snd_card.dev = dev;
|
||||
/*
|
||||
* init snd_soc_card
|
||||
*/
|
||||
cinfo->snd_card.owner = THIS_MODULE;
|
||||
cinfo->snd_card.dev = dev;
|
||||
cinfo->snd_card.dai_link = &cinfo->snd_link;
|
||||
cinfo->snd_card.num_links = 1;
|
||||
|
||||
ret = asoc_simple_card_parse_of(np, cinfo, dev,
|
||||
&of_cpu,
|
||||
&of_codec,
|
||||
&of_platform);
|
||||
if (np && of_device_is_available(np)) {
|
||||
|
||||
ret = asoc_simple_card_parse_of(np, cinfo, dev);
|
||||
if (ret < 0) {
|
||||
if (ret != -EPROBE_DEFER)
|
||||
dev_err(dev, "parse error %d\n", ret);
|
||||
return ret;
|
||||
}
|
||||
cinfo->snd_link.cpu_of_node = of_cpu;
|
||||
cinfo->snd_link.codec_of_node = of_codec;
|
||||
cinfo->snd_link.platform_of_node = of_platform;
|
||||
} else {
|
||||
if (!dev->platform_data) {
|
||||
dev_err(dev, "no info for asoc-simple-card\n");
|
||||
|
@ -228,8 +222,6 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
|
|||
}
|
||||
|
||||
memcpy(cinfo, dev->platform_data, sizeof(*cinfo));
|
||||
cinfo->snd_card.dev = dev;
|
||||
|
||||
if (!cinfo->name ||
|
||||
!cinfo->card ||
|
||||
!cinfo->codec_dai.name ||
|
||||
|
@ -254,13 +246,6 @@ static int asoc_simple_card_probe(struct platform_device *pdev)
|
|||
cinfo->snd_link.codec_dai_name = cinfo->codec_dai.name;
|
||||
cinfo->snd_link.init = asoc_simple_card_dai_init;
|
||||
|
||||
/*
|
||||
* init snd_soc_card
|
||||
*/
|
||||
cinfo->snd_card.owner = THIS_MODULE;
|
||||
cinfo->snd_card.dai_link = &cinfo->snd_link;
|
||||
cinfo->snd_card.num_links = 1;
|
||||
|
||||
snd_soc_card_set_drvdata(&cinfo->snd_card, cinfo);
|
||||
|
||||
return devm_snd_soc_register_card(&pdev->dev, &cinfo->snd_card);
|
||||
|
|
Loading…
Reference in a new issue