diff options
| -rw-r--r-- | sound/soc/generic/simple-card.c | 94 |
1 files changed, 50 insertions, 44 deletions
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index b15651409c7f..3820ad719059 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -33,6 +33,13 @@ struct simple_card_data { struct snd_soc_codec_conf *codec_conf; }; +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 simple_priv_to_card(priv) (&(priv)->snd_card) #define simple_priv_to_props(priv, i) ((priv)->dai_props + (i)) #define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev) @@ -185,25 +192,27 @@ static int asoc_simple_card_dai_link_of_dpcm(struct device_node *top, struct device_node *np, struct device_node *codec, struct simple_card_data *priv, - int *dai_idx, int link_idx, - int *conf_idx, int is_fe, + struct link_info *li, bool is_top_level_node) { struct device *dev = simple_priv_to_dev(priv); - struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, link_idx); - struct simple_dai_props *dai_props = simple_priv_to_props(priv, link_idx); + 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 asoc_simple_dai *dai; struct snd_soc_dai_link_component *codecs = dai_link->codecs; - char prop[128]; char *prefix = ""; int ret; + dev_dbg(dev, "link_of DPCM (%pOF)\n", np); + + li->link++; + /* For single DAI link & old style of DT node */ if (is_top_level_node) prefix = PREFIX; - if (is_fe) { + if (np != codec) { int is_single_links = 0; /* BE is dummy */ @@ -216,7 +225,7 @@ static int asoc_simple_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_cpu(np, dai_link, DAI, CELL, &is_single_links); @@ -247,10 +256,10 @@ static int asoc_simple_card_dai_link_of_dpcm(struct device_node *top, dai_link->be_hw_params_fixup = asoc_simple_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_codec(np, dai_link, DAI, CELL); if (ret < 0) @@ -306,12 +315,12 @@ static int asoc_simple_card_dai_link_of_dpcm(struct device_node *top, static int asoc_simple_card_dai_link_of(struct device_node *top, struct device_node *node, struct simple_card_data *priv, - int *dai_idx, int link_idx, + struct link_info *li, bool is_top_level_node) { struct device *dev = simple_priv_to_dev(priv); - struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, link_idx); - struct simple_dai_props *dai_props = simple_priv_to_props(priv, link_idx); + 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 asoc_simple_dai *cpu_dai; struct asoc_simple_dai *codec_dai; struct device_node *cpu = NULL; @@ -321,6 +330,10 @@ static int asoc_simple_card_dai_link_of(struct device_node *top, char *prefix = ""; int ret, single_cpu; + li->link++; + + dev_dbg(dev, "link_of (%pOF)\n", node); + /* For single DAI link & old style of DT node */ if (is_top_level_node) prefix = PREFIX; @@ -347,9 +360,9 @@ static int asoc_simple_card_dai_link_of(struct device_node *top, } 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++]; ret = asoc_simple_card_parse_daifmt(dev, node, codec, prefix, &dai_link->dai_fmt); @@ -454,9 +467,8 @@ static int asoc_simple_card_parse_of(struct simple_card_data *priv) struct device_node *np; struct device_node *codec; struct asoc_simple_card_data adata; - bool is_fe; + struct link_info li; int ret, loop; - int dai_idx, link_idx, conf_idx; if (!top) return -EINVAL; @@ -470,10 +482,8 @@ static int asoc_simple_card_parse_of(struct simple_card_data *priv) return ret; /* Single/Muti DAI link(s) & New style of DT node */ + memset(&li, 0, sizeof(li)); loop = 1; - link_idx = 0; - dai_idx = 0; - conf_idx = 0; node = of_get_child_by_name(top, PREFIX "dai-link"); if (!node) { node = dev->of_node; @@ -495,19 +505,16 @@ static int asoc_simple_card_parse_of(struct simple_card_data *priv) if (!codec) return -ENODEV; - is_fe = (np != codec); - ret = asoc_simple_card_dai_link_of_dpcm( top, node, np, codec, priv, - &dai_idx, link_idx++, &conf_idx, - is_fe, !loop); + &li, !loop); if (ret < 0) return ret; } } else { ret = asoc_simple_card_dai_link_of( top, node, priv, - &dai_idx, link_idx++, !loop); + &li, !loop); if (ret < 0) return ret; } @@ -525,9 +532,7 @@ static int asoc_simple_card_parse_of(struct simple_card_data *priv) } static void asoc_simple_card_get_dais_count(struct device *dev, - int *link_num, - int *dais_num, - int *ccnf_num) + struct link_info *li) { struct device_node *top = dev->of_node; struct device_node *node; @@ -583,9 +588,9 @@ static void asoc_simple_card_get_dais_count(struct device *dev, * => 1 ccnf = 1xdummy-Codec */ if (!top) { - (*link_num) = 1; - (*dais_num) = 2; - (*ccnf_num) = 0; + li->link = 1; + li->dais = 2; + li->conf = 0; return; } @@ -602,13 +607,13 @@ static void asoc_simple_card_get_dais_count(struct device *dev, asoc_simple_card_get_conversion(dev, np, &adata); num = of_get_child_count(node); - (*dais_num) += num; + li->dais += num; if (num > 2 || adata.convert_rate || adata.convert_channels) { - (*link_num) += num; - (*ccnf_num)++; + li->link += num; + li->conf++; } else { - (*link_num)++; + li->link++; } node = of_get_next_child(top, node); } while (loop && node); @@ -640,7 +645,7 @@ static int asoc_simple_card_probe(struct platform_device *pdev) struct device_node *np = dev->of_node; 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 */ @@ -648,14 +653,15 @@ static int asoc_simple_card_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - asoc_simple_card_get_dais_count(dev, &lnum, &dnum, &cnum); - if (!lnum || !dnum) + memset(&li, 0, sizeof(li)); + asoc_simple_card_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; @@ -665,7 +671,7 @@ static int asoc_simple_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; @@ -681,9 +687,9 @@ static int asoc_simple_card_probe(struct platform_device *pdev) card->owner = THIS_MODULE; card->dev = dev; card->dai_link = priv->dai_link; - card->num_links = lnum; + card->num_links = li.link; card->codec_conf = cconf; - card->num_configs = cnum; + card->num_configs = li.conf; card->probe = asoc_simple_soc_card_probe; if (np && of_device_is_available(np)) { |