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path: root/sound/soc/generic/audio-graph-card.c
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Diffstat (limited to 'sound/soc/generic/audio-graph-card.c')
-rw-r--r--sound/soc/generic/audio-graph-card.c141
1 files changed, 64 insertions, 77 deletions
diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c
index 7655425a3deb..a8a3bad3df00 100644
--- a/sound/soc/generic/audio-graph-card.c
+++ b/sound/soc/generic/audio-graph-card.c
@@ -20,6 +20,13 @@
#define DPCM_SELECTABLE 1
+#define graph_ret(priv, ret) _graph_ret(priv, __func__, ret)
+static inline int _graph_ret(struct simple_util_priv *priv,
+ const char *func, int ret)
+{
+ return snd_soc_ret(simple_priv_to_dev(priv), ret, "at %s()\n", func);
+}
+
#define ep_to_port(ep) of_get_parent(ep)
static struct device_node *port_to_ports(struct device_node *port)
{
@@ -81,18 +88,14 @@ static void graph_parse_convert(struct device *dev,
struct simple_util_data *adata)
{
struct device_node *top = dev->of_node;
- struct device_node *port = ep_to_port(ep);
- struct device_node *ports = port_to_ports(port);
- struct device_node *node = of_graph_get_port_parent(ep);
+ struct device_node *port __free(device_node) = ep_to_port(ep);
+ struct device_node *ports __free(device_node) = port_to_ports(port);
+ struct device_node *node __free(device_node) = of_graph_get_port_parent(ep);
simple_util_parse_convert(top, NULL, adata);
simple_util_parse_convert(ports, NULL, adata);
simple_util_parse_convert(port, NULL, adata);
simple_util_parse_convert(ep, NULL, adata);
-
- of_node_put(port);
- of_node_put(ports);
- of_node_put(node);
}
static int graph_parse_node(struct simple_util_priv *priv,
@@ -115,19 +118,17 @@ static int graph_parse_node(struct simple_util_priv *priv,
dai = simple_props_to_dai_codec(dai_props, 0);
}
- ret = graph_util_parse_dai(dev, ep, dlc, cpu);
+ ret = graph_util_parse_dai(priv, ep, dlc, cpu);
if (ret < 0)
- return ret;
+ goto end;
ret = simple_util_parse_tdm(ep, dai);
if (ret < 0)
- return ret;
+ goto end;
ret = simple_util_parse_clk(dev, ep, dai, dlc);
- if (ret < 0)
- return ret;
-
- return 0;
+end:
+ return graph_ret(priv, ret);
}
static int graph_link_init(struct simple_util_priv *priv,
@@ -140,10 +141,10 @@ static int graph_link_init(struct simple_util_priv *priv,
struct device_node *top = dev->of_node;
struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link);
struct simple_dai_props *dai_props = simple_priv_to_props(priv, li->link);
- struct device_node *port_cpu = ep_to_port(ep_cpu);
- struct device_node *port_codec = ep_to_port(ep_codec);
- struct device_node *ports_cpu = port_to_ports(port_cpu);
- struct device_node *ports_codec = port_to_ports(port_codec);
+ struct device_node *port_cpu __free(device_node) = ep_to_port(ep_cpu);
+ struct device_node *port_codec __free(device_node) = ep_to_port(ep_codec);
+ struct device_node *ports_cpu __free(device_node) = port_to_ports(port_cpu);
+ struct device_node *ports_codec __free(device_node) = port_to_ports(port_codec);
enum snd_soc_trigger_order trigger_start = SND_SOC_TRIGGER_ORDER_DEFAULT;
enum snd_soc_trigger_order trigger_stop = SND_SOC_TRIGGER_ORDER_DEFAULT;
bool playback_only = 0, capture_only = 0;
@@ -152,7 +153,7 @@ static int graph_link_init(struct simple_util_priv *priv,
ret = simple_util_parse_daifmt(dev, ep_cpu, ep_codec,
NULL, &dai_link->dai_fmt);
if (ret < 0)
- goto init_end;
+ goto end;
graph_util_parse_link_direction(top, &playback_only, &capture_only);
graph_util_parse_link_direction(port_cpu, &playback_only, &capture_only);
@@ -187,14 +188,9 @@ static int graph_link_init(struct simple_util_priv *priv,
if (priv->ops)
dai_link->ops = priv->ops;
- ret = simple_util_set_dailink_name(dev, dai_link, name);
-init_end:
- of_node_put(ports_cpu);
- of_node_put(ports_codec);
- of_node_put(port_cpu);
- of_node_put(port_codec);
-
- return ret;
+ ret = simple_util_set_dailink_name(priv, dai_link, name);
+end:
+ return graph_ret(priv, ret);
}
static int graph_dai_link_of_dpcm(struct simple_util_priv *priv,
@@ -226,7 +222,7 @@ static int graph_dai_link_of_dpcm(struct simple_util_priv *priv,
ret = graph_parse_node(priv, cpu_ep, li, &is_single_links);
if (ret)
- return ret;
+ goto end;
snprintf(dai_name, sizeof(dai_name),
"fe.%pOFP.%s", cpus->of_node, cpus->dai_name);
@@ -250,8 +246,6 @@ static int graph_dai_link_of_dpcm(struct simple_util_priv *priv,
} else {
struct snd_soc_codec_conf *cconf = simple_props_to_codec_conf(dai_props, 0);
struct snd_soc_dai_link_component *codecs = snd_soc_link_to_codec(dai_link, 0);
- struct device_node *port;
- struct device_node *ports;
/* CPU is dummy */
@@ -261,20 +255,18 @@ static int graph_dai_link_of_dpcm(struct simple_util_priv *priv,
ret = graph_parse_node(priv, codec_ep, li, NULL);
if (ret < 0)
- return ret;
+ goto end;
snprintf(dai_name, sizeof(dai_name),
"be.%pOFP.%s", codecs->of_node, codecs->dai_name);
/* check "prefix" from top node */
- port = ep_to_port(ep);
- ports = port_to_ports(port);
+ struct device_node *port __free(device_node) = ep_to_port(ep);
+ struct device_node *ports __free(device_node) = port_to_ports(port);
+
snd_soc_of_parse_node_prefix(top, cconf, codecs->of_node, "prefix");
snd_soc_of_parse_node_prefix(ports, cconf, codecs->of_node, "prefix");
snd_soc_of_parse_node_prefix(port, cconf, codecs->of_node, "prefix");
-
- of_node_put(ports);
- of_node_put(port);
}
graph_parse_convert(dev, ep, &dai_props->adata);
@@ -282,8 +274,8 @@ static int graph_dai_link_of_dpcm(struct simple_util_priv *priv,
ret = graph_link_init(priv, cpu_ep, codec_ep, li, dai_name);
li->link++;
-
- return ret;
+end:
+ return graph_ret(priv, ret);
}
static int graph_dai_link_of(struct simple_util_priv *priv,
@@ -303,11 +295,11 @@ static int graph_dai_link_of(struct simple_util_priv *priv,
ret = graph_parse_node(priv, cpu_ep, li, &is_single_links);
if (ret < 0)
- return ret;
+ goto end;
ret = graph_parse_node(priv, codec_ep, li, NULL);
if (ret < 0)
- return ret;
+ goto end;
snprintf(dai_name, sizeof(dai_name),
"%s-%s", cpus->dai_name, codecs->dai_name);
@@ -317,11 +309,11 @@ static int graph_dai_link_of(struct simple_util_priv *priv,
ret = graph_link_init(priv, cpu_ep, codec_ep, li, dai_name);
if (ret < 0)
- return ret;
+ goto end;
li->link++;
-
- return 0;
+end:
+ return graph_ret(priv, ret);
}
static inline bool parse_as_dpcm_link(struct simple_util_priv *priv,
@@ -361,8 +353,6 @@ static int __graph_for_each_link(struct simple_util_priv *priv,
struct device *dev = simple_priv_to_dev(priv);
struct device_node *node = dev->of_node;
struct device_node *cpu_port;
- struct device_node *codec_ep;
- struct device_node *codec_port;
struct device_node *codec_port_old = NULL;
struct simple_util_data adata;
int rc, ret = 0;
@@ -374,8 +364,8 @@ static int __graph_for_each_link(struct simple_util_priv *priv,
/* loop for all CPU endpoint */
for_each_of_graph_port_endpoint(cpu_port, cpu_ep) {
/* get codec */
- codec_ep = of_graph_get_remote_endpoint(cpu_ep);
- codec_port = ep_to_port(codec_ep);
+ struct device_node *codec_ep __free(device_node) = of_graph_get_remote_endpoint(cpu_ep);
+ struct device_node *codec_port __free(device_node) = ep_to_port(codec_ep);
/* get convert-xxx property */
memset(&adata, 0, sizeof(adata));
@@ -399,17 +389,14 @@ static int __graph_for_each_link(struct simple_util_priv *priv,
ret = func_noml(priv, cpu_ep, codec_ep, li);
}
- of_node_put(codec_ep);
- of_node_put(codec_port);
-
if (ret < 0)
- return ret;
+ goto end;
codec_port_old = codec_port;
}
}
-
- return 0;
+end:
+ return graph_ret(priv, ret);
}
static int graph_for_each_link(struct simple_util_priv *priv,
@@ -442,7 +429,7 @@ static int graph_for_each_link(struct simple_util_priv *priv,
break;
}
- return ret;
+ return graph_ret(priv, ret);
}
static int graph_count_noml(struct simple_util_priv *priv,
@@ -451,11 +438,10 @@ static int graph_count_noml(struct simple_util_priv *priv,
struct link_info *li)
{
struct device *dev = simple_priv_to_dev(priv);
+ int ret = -EINVAL;
- if (li->link >= SNDRV_MAX_LINKS) {
- dev_err(dev, "too many links\n");
- return -EINVAL;
- }
+ if (li->link >= SNDRV_MAX_LINKS)
+ goto end;
/*
* DON'T REMOVE platforms
@@ -470,8 +456,9 @@ static int graph_count_noml(struct simple_util_priv *priv,
li->link += 1; /* 1xCPU-Codec */
dev_dbg(dev, "Count As Normal\n");
-
- return 0;
+ ret = 0;
+end:
+ return graph_ret(priv, ret);
}
static int graph_count_dpcm(struct simple_util_priv *priv,
@@ -480,11 +467,10 @@ static int graph_count_dpcm(struct simple_util_priv *priv,
struct link_info *li)
{
struct device *dev = simple_priv_to_dev(priv);
+ int ret = -EINVAL;
- if (li->link >= SNDRV_MAX_LINKS) {
- dev_err(dev, "too many links\n");
- return -EINVAL;
- }
+ if (li->link >= SNDRV_MAX_LINKS)
+ goto end;
if (li->cpu) {
/*
@@ -503,8 +489,9 @@ static int graph_count_dpcm(struct simple_util_priv *priv,
}
dev_dbg(dev, "Count As DPCM\n");
-
- return 0;
+ ret = 0;
+end:
+ return graph_ret(priv, ret);
}
static int graph_get_dais_count(struct simple_util_priv *priv,
@@ -564,40 +551,41 @@ static int graph_get_dais_count(struct simple_util_priv *priv,
int audio_graph_parse_of(struct simple_util_priv *priv, struct device *dev)
{
struct snd_soc_card *card = simple_priv_to_card(priv);
- int ret;
+ int ret = -ENOMEM;
struct link_info *li __free(kfree) = kzalloc(sizeof(*li), GFP_KERNEL);
if (!li)
- return -ENOMEM;
+ goto end;
card->owner = THIS_MODULE;
card->dev = dev;
ret = graph_get_dais_count(priv, li);
if (ret < 0)
- return ret;
+ goto end;
+ ret = -EINVAL;
if (!li->link)
- return -EINVAL;
+ goto end;
ret = simple_util_init_priv(priv, li);
if (ret < 0)
- return ret;
+ goto end;
priv->pa_gpio = devm_gpiod_get_optional(dev, "pa", GPIOD_OUT_LOW);
if (IS_ERR(priv->pa_gpio)) {
ret = PTR_ERR(priv->pa_gpio);
dev_err(dev, "failed to get amplifier gpio: %d\n", ret);
- return ret;
+ goto end;
}
ret = simple_util_parse_widgets(card, NULL);
if (ret < 0)
- return ret;
+ goto end;
ret = simple_util_parse_routing(card, NULL);
if (ret < 0)
- return ret;
+ goto end;
memset(li, 0, sizeof(*li));
ret = graph_for_each_link(priv, li,
@@ -606,7 +594,7 @@ int audio_graph_parse_of(struct simple_util_priv *priv, struct device *dev)
if (ret < 0)
goto err;
- ret = simple_util_parse_card_name(card, NULL);
+ ret = simple_util_parse_card_name(priv, NULL);
if (ret < 0)
goto err;
@@ -619,10 +607,9 @@ int audio_graph_parse_of(struct simple_util_priv *priv, struct device *dev)
goto err;
return 0;
-
err:
simple_util_clean_reference(card);
-
+end:
return dev_err_probe(dev, ret, "parse error\n");
}
EXPORT_SYMBOL_GPL(audio_graph_parse_of);