diff options
Diffstat (limited to 'sound/soc/generic')
-rw-r--r-- | sound/soc/generic/audio-graph-card.c | 99 |
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) { |