diff options
| -rw-r--r-- | sound/soc/generic/simple-card.c | 125 |
1 files changed, 61 insertions, 64 deletions
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index f53f76ee0a8b..41aa40765a8d 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -129,15 +129,6 @@ static int simple_dai_link_of_dpcm(struct asoc_simple_priv *priv, char *prefix = ""; int ret; - /* - * |CPU |Codec : turn - * CPU |Pass |return - * Codec |return|Pass - * np - */ - if (li->cpu == (np == codec)) - return 0; - dev_dbg(dev, "link_of DPCM (%pOF)\n", np); li->link++; @@ -260,15 +251,6 @@ static int simple_dai_link_of(struct asoc_simple_priv *priv, char *prefix = ""; int ret, single_cpu; - /* - * |CPU |Codec : turn - * CPU |Pass |return - * Codec |return|return - * np - */ - if (!li->cpu || np == codec) - return 0; - cpu = np; node = of_get_parent(np); li->link++; @@ -342,7 +324,7 @@ dai_link_of_err: return ret; } -static int simple_for_each_link(struct asoc_simple_priv *priv, +static int __simple_for_each_link(struct asoc_simple_priv *priv, struct link_info *li, int (*func_noml)(struct asoc_simple_priv *priv, struct device_node *np, @@ -402,11 +384,26 @@ static int simple_for_each_link(struct asoc_simple_priv *priv, */ if (dpcm_selectable && (num > 2 || - adata.convert_rate || adata.convert_channels)) - ret = func_dpcm(priv, np, codec, li, is_top); + adata.convert_rate || adata.convert_channels)) { + /* + * np + * |1(CPU)|0(Codec) li->cpu + * CPU |Pass |return + * Codec |return|Pass + */ + if (li->cpu != (np == codec)) + ret = func_dpcm(priv, np, codec, li, is_top); /* else normal sound */ - else - ret = func_noml(priv, np, codec, li, is_top); + } else { + /* + * np + * |1(CPU)|0(Codec) li->cpu + * CPU |Pass |return + * Codec |return|return + */ + if (li->cpu && (np != codec)) + ret = func_noml(priv, np, codec, li, is_top); + } if (ret < 0) { of_node_put(codec); @@ -424,6 +421,39 @@ static int simple_for_each_link(struct asoc_simple_priv *priv, return ret; } +static int simple_for_each_link(struct asoc_simple_priv *priv, + struct link_info *li, + int (*func_noml)(struct asoc_simple_priv *priv, + struct device_node *np, + struct device_node *codec, + struct link_info *li, bool is_top), + int (*func_dpcm)(struct asoc_simple_priv *priv, + struct device_node *np, + struct device_node *codec, + struct link_info *li, bool is_top)) +{ + int ret; + /* + * Detect all CPU first, and Detect all Codec 2nd. + * + * In Normal sound case, all DAIs are detected + * as "CPU-Codec". + * + * In DPCM sound case, + * all CPUs are detected as "CPU-dummy", and + * all Codecs are detected as "dummy-Codec". + * To avoid random sub-device numbering, + * detect "dummy-Codec" in last; + */ + for (li->cpu = 1; li->cpu >= 0; li->cpu--) { + ret = __simple_for_each_link(priv, li, func_noml, func_dpcm); + if (ret < 0) + break; + } + + return ret; +} + static int simple_parse_of(struct asoc_simple_priv *priv) { struct device *dev = simple_priv_to_dev(priv); @@ -449,25 +479,11 @@ static int simple_parse_of(struct asoc_simple_priv *priv) /* Single/Muti DAI link(s) & New style of DT node */ memset(&li, 0, sizeof(li)); - for (li.cpu = 1; li.cpu >= 0; li.cpu--) { - /* - * Detect all CPU first, and Detect all Codec 2nd. - * - * In Normal sound case, all DAIs are detected - * as "CPU-Codec". - * - * In DPCM sound case, - * all CPUs are detected as "CPU-dummy", and - * all Codecs are detected as "dummy-Codec". - * To avoid random sub-device numbering, - * detect "dummy-Codec" in last; - */ - ret = simple_for_each_link(priv, &li, - simple_dai_link_of, - simple_dai_link_of_dpcm); - if (ret < 0) - return ret; - } + ret = simple_for_each_link(priv, &li, + simple_dai_link_of, + simple_dai_link_of_dpcm); + if (ret < 0) + return ret; ret = asoc_simple_parse_card_name(card, PREFIX); if (ret < 0) @@ -483,15 +499,6 @@ static int simple_count_noml(struct asoc_simple_priv *priv, struct device_node *codec, struct link_info *li, bool is_top) { - /* - * |CPU |Codec : turn - * CPU |Pass |return - * Codec |return|return - * np - */ - if (!li->cpu || np == codec) - return 0; - li->link += 1; li->dais += 2; @@ -503,15 +510,6 @@ static int simple_count_dpcm(struct asoc_simple_priv *priv, struct device_node *codec, struct link_info *li, bool is_top) { - /* - * |CPU |Codec : turn - * CPU |Pass |return - * Codec |return|Pass - * np - */ - if (li->cpu == (np == codec)) - return 0; - if (li->cpu) { li->link++; /* CPU-dummy */ li->dais++; @@ -583,10 +581,9 @@ static void simple_get_dais_count(struct asoc_simple_priv *priv, return; } - for (li->cpu = 1; li->cpu >= 0; li->cpu--) - simple_for_each_link(priv, li, - simple_count_noml, - simple_count_dpcm); + simple_for_each_link(priv, li, + simple_count_noml, + simple_count_dpcm); dev_dbg(dev, "link %d, dais %d, ccnf %d\n", li->link, li->dais, li->conf); |