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-rw-r--r--sound/soc/generic/audio-graph-card.c99
1 files changed, 51 insertions, 48 deletions
diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c
index 638333cdac66..cd9beb801fc1 100644
--- a/sound/soc/generic/audio-graph-card.c
+++ b/sound/soc/generic/audio-graph-card.c
@@ -39,6 +39,13 @@ struct graph_card_data {
struct gpio_desc *pa_gpio;
};
+struct link_info {
+ int dais; /* number of dai */
+ int link; /* number of link */
+ int conf; /* number of codec_conf */
+ int cpu; /* turn for CPU / Codec */
+};
+
#define graph_priv_to_card(priv) (&(priv)->snd_card)
#define graph_priv_to_props(priv, i) ((priv)->dai_props + (i))
#define graph_priv_to_dev(priv) (graph_priv_to_card(priv)->dev)
@@ -189,13 +196,12 @@ static int asoc_graph_card_dai_link_of_dpcm(struct device_node *top,
struct device_node *cpu_ep,
struct device_node *codec_ep,
struct graph_card_data *priv,
- int *dai_idx, int link_idx,
- int *conf_idx, int is_cpu)
+ struct link_info *li)
{
struct device *dev = graph_priv_to_dev(priv);
- struct snd_soc_dai_link *dai_link = graph_priv_to_link(priv, link_idx);
- struct graph_dai_props *dai_props = graph_priv_to_props(priv, link_idx);
- struct device_node *ep = is_cpu ? cpu_ep : codec_ep;
+ struct snd_soc_dai_link *dai_link = graph_priv_to_link(priv, li->link);
+ struct graph_dai_props *dai_props = graph_priv_to_props(priv, li->link);
+ struct device_node *ep = li->cpu ? cpu_ep : codec_ep;
struct device_node *port = of_get_parent(ep);
struct device_node *ports = of_get_parent(port);
struct device_node *node = of_graph_get_port_parent(ep);
@@ -203,7 +209,9 @@ static int asoc_graph_card_dai_link_of_dpcm(struct device_node *top,
struct snd_soc_dai_link_component *codecs = dai_link->codecs;
int ret;
- dev_dbg(dev, "link_of DPCM (for %s)\n", is_cpu ? "CPU" : "Codec");
+ li->link++;
+
+ dev_dbg(dev, "link_of DPCM (%pOF)\n", ep);
of_property_read_u32(top, "mclk-fs", &dai_props->mclk_fs);
of_property_read_u32(ports, "mclk-fs", &dai_props->mclk_fs);
@@ -215,7 +223,7 @@ static int asoc_graph_card_dai_link_of_dpcm(struct device_node *top,
of_node_put(ports);
of_node_put(port);
- if (is_cpu) {
+ if (li->cpu) {
/* BE is dummy */
codecs->of_node = NULL;
@@ -227,7 +235,7 @@ static int asoc_graph_card_dai_link_of_dpcm(struct device_node *top,
dai_link->dpcm_merged_format = 1;
dai =
- dai_props->cpu_dai = &priv->dais[(*dai_idx)++];
+ dai_props->cpu_dai = &priv->dais[li->dais++];
ret = asoc_simple_card_parse_graph_cpu(ep, dai_link);
if (ret)
@@ -259,10 +267,10 @@ static int asoc_graph_card_dai_link_of_dpcm(struct device_node *top,
dai_link->be_hw_params_fixup = asoc_graph_card_be_hw_params_fixup;
dai =
- dai_props->codec_dai = &priv->dais[(*dai_idx)++];
+ dai_props->codec_dai = &priv->dais[li->dais++];
cconf =
- dai_props->codec_conf = &priv->codec_conf[(*conf_idx)++];
+ dai_props->codec_conf = &priv->codec_conf[li->conf++];
ret = asoc_simple_card_parse_graph_codec(ep, dai_link);
if (ret < 0)
@@ -314,11 +322,11 @@ static int asoc_graph_card_dai_link_of(struct device_node *top,
struct device_node *cpu_ep,
struct device_node *codec_ep,
struct graph_card_data *priv,
- int *dai_idx, int link_idx)
+ struct link_info *li)
{
struct device *dev = graph_priv_to_dev(priv);
- struct snd_soc_dai_link *dai_link = graph_priv_to_link(priv, link_idx);
- struct graph_dai_props *dai_props = graph_priv_to_props(priv, link_idx);
+ struct snd_soc_dai_link *dai_link = graph_priv_to_link(priv, li->link);
+ struct graph_dai_props *dai_props = graph_priv_to_props(priv, li->link);
struct device_node *cpu_port = of_get_parent(cpu_ep);
struct device_node *codec_port = of_get_parent(codec_ep);
struct device_node *cpu_ports = of_get_parent(cpu_port);
@@ -327,12 +335,14 @@ static int asoc_graph_card_dai_link_of(struct device_node *top,
struct asoc_simple_dai *codec_dai;
int ret;
- dev_dbg(dev, "link_of\n");
+ dev_dbg(dev, "link_of (%pOF)\n", cpu_ep);
+
+ li->link++;
cpu_dai =
- dai_props->cpu_dai = &priv->dais[(*dai_idx)++];
+ dai_props->cpu_dai = &priv->dais[li->dais++];
codec_dai =
- dai_props->codec_dai = &priv->dais[(*dai_idx)++];
+ dai_props->codec_dai = &priv->dais[li->dais++];
/* Factor to mclk, used in hw_params() */
of_property_read_u32(top, "mclk-fs", &dai_props->mclk_fs);
@@ -409,9 +419,8 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
struct device_node *codec_port = NULL;
struct device_node *codec_port_old = NULL;
struct asoc_simple_card_data adata;
+ struct link_info li;
int rc, ret;
- int link_idx, dai_idx, conf_idx;
- int cpu;
ret = asoc_simple_card_of_parse_widgets(card, NULL);
if (ret < 0)
@@ -421,11 +430,9 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
if (ret < 0)
return ret;
- link_idx = 0;
- dai_idx = 0;
- conf_idx = 0;
+ memset(&li, 0, sizeof(li));
codec_port_old = NULL;
- for (cpu = 1; cpu >= 0; cpu--) {
+ for (li.cpu = 1; li.cpu >= 0; li.cpu--) {
/*
* Detect all CPU first, and Detect all Codec 2nd.
*
@@ -464,22 +471,19 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
/*
* for DPCM sound
*/
- if (!cpu) {
+ if (!li.cpu) {
if (codec_port_old == codec_port)
continue;
codec_port_old = codec_port;
}
ret = asoc_graph_card_dai_link_of_dpcm(
- top, cpu_ep, codec_ep, priv,
- &dai_idx, link_idx++,
- &conf_idx, cpu);
- } else if (cpu) {
+ top, cpu_ep, codec_ep, priv, &li);
+ } else if (li.cpu) {
/*
* for Normal sound
*/
ret = asoc_graph_card_dai_link_of(
- top, cpu_ep, codec_ep, priv,
- &dai_idx, link_idx++);
+ top, cpu_ep, codec_ep, priv, &li);
}
if (ret < 0)
return ret;
@@ -491,9 +495,7 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
}
static void asoc_graph_get_dais_count(struct device *dev,
- int *link_num,
- int *dais_num,
- int *ccnf_num)
+ struct link_info *li)
{
struct of_phandle_iterator it;
struct device_node *node = dev->of_node;
@@ -566,8 +568,8 @@ static void asoc_graph_get_dais_count(struct device *dev,
of_node_put(codec_ep);
of_node_put(codec_port);
- (*link_num)++;
- (*dais_num)++;
+ li->link++;
+ li->dais++;
memset(&adata, 0, sizeof(adata));
asoc_graph_card_get_conversion(dev, codec_ep, &adata);
@@ -579,11 +581,11 @@ static void asoc_graph_get_dais_count(struct device *dev,
if (codec_port_old == codec_port)
continue;
- (*link_num)++;
- (*ccnf_num)++;
- (*dais_num)++;
+ li->link++;
+ li->conf++;
+ li->dais++;
} else {
- (*dais_num)++;
+ li->dais++;
}
codec_port_old = codec_port;
}
@@ -615,7 +617,7 @@ static int asoc_graph_card_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct snd_soc_card *card;
struct snd_soc_codec_conf *cconf;
- int lnum = 0, dnum = 0, cnum = 0;
+ struct link_info li;
int ret, i;
/* Allocate the private data and the DAI link array */
@@ -623,14 +625,15 @@ static int asoc_graph_card_probe(struct platform_device *pdev)
if (!priv)
return -ENOMEM;
- asoc_graph_get_dais_count(dev, &lnum, &dnum, &cnum);
- if (!lnum || !dnum)
+ memset(&li, 0, sizeof(li));
+ asoc_graph_get_dais_count(dev, &li);
+ if (!li.link || !li.dais)
return -EINVAL;
- dai_props = devm_kcalloc(dev, lnum, sizeof(*dai_props), GFP_KERNEL);
- dai_link = devm_kcalloc(dev, lnum, sizeof(*dai_link), GFP_KERNEL);
- dais = devm_kcalloc(dev, dnum, sizeof(*dais), GFP_KERNEL);
- cconf = devm_kcalloc(dev, cnum, sizeof(*cconf), GFP_KERNEL);
+ dai_props = devm_kcalloc(dev, li.link, sizeof(*dai_props), GFP_KERNEL);
+ dai_link = devm_kcalloc(dev, li.link, sizeof(*dai_link), GFP_KERNEL);
+ dais = devm_kcalloc(dev, li.dais, sizeof(*dais), GFP_KERNEL);
+ cconf = devm_kcalloc(dev, li.conf, sizeof(*cconf), GFP_KERNEL);
if (!dai_props || !dai_link || !dais)
return -ENOMEM;
@@ -640,7 +643,7 @@ static int asoc_graph_card_probe(struct platform_device *pdev)
* see
* soc-core.c :: snd_soc_init_multicodec()
*/
- for (i = 0; i < lnum; i++) {
+ for (i = 0; i < li.link; i++) {
dai_link[i].codecs = &dai_props[i].codecs;
dai_link[i].num_codecs = 1;
dai_link[i].platform = &dai_props[i].platform;
@@ -663,12 +666,12 @@ static int asoc_graph_card_probe(struct platform_device *pdev)
card->owner = THIS_MODULE;
card->dev = dev;
card->dai_link = dai_link;
- card->num_links = lnum;
+ card->num_links = li.link;
card->dapm_widgets = asoc_graph_card_dapm_widgets;
card->num_dapm_widgets = ARRAY_SIZE(asoc_graph_card_dapm_widgets);
card->probe = asoc_graph_soc_card_probe;
card->codec_conf = cconf;
- card->num_configs = cnum;
+ card->num_configs = li.conf;
ret = asoc_graph_card_parse_of(priv);
if (ret < 0) {