diff options
| -rw-r--r-- | include/sound/soc.h | 1 | ||||
| -rw-r--r-- | sound/soc/soc-core.c | 74 |
2 files changed, 64 insertions, 11 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index 017986159d5e..7d53cc453637 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -472,6 +472,7 @@ struct snd_soc_codec { unsigned int ac97_registered:1; /* Codec has been AC97 registered */ unsigned int ac97_created:1; /* Codec has been created by SoC */ unsigned int sysfs_registered:1; /* codec has been sysfs registered */ + unsigned int cache_init:1; /* codec cache has been initialized */ /* codec IO */ void *control_data; /* codec control (i2c/3wire) data */ diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index a95d111a6531..e9aa9ce59c06 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1730,9 +1730,36 @@ static void soc_remove_aux_dev(struct snd_soc_card *card, int num) } } +static int snd_soc_init_codec_cache(struct snd_soc_codec *codec, + enum snd_soc_compress_type compress_type) +{ + int ret; + + if (codec->cache_init) + return 0; + + /* override the compress_type if necessary */ + if (compress_type && codec->compress_type != compress_type) + codec->compress_type = compress_type; + dev_dbg(codec->dev, "Cache compress_type for %s is %d\n", + codec->name, codec->compress_type); + ret = snd_soc_cache_init(codec); + if (ret < 0) { + dev_err(codec->dev, "Failed to set cache compression type: %d\n", + ret); + return ret; + } + codec->cache_init = 1; + return 0; +} + + static void snd_soc_instantiate_card(struct snd_soc_card *card) { struct platform_device *pdev = to_platform_device(card->dev); + struct snd_soc_codec *codec; + struct snd_soc_codec_conf *codec_conf; + enum snd_soc_compress_type compress_type; int ret, i; mutex_lock(&card->mutex); @@ -1752,6 +1779,39 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card) return; } + /* initialize the register cache for each available codec */ + list_for_each_entry(codec, &codec_list, list) { + if (codec->cache_init) + continue; + /* check to see if we need to override the compress_type */ + for (i = 0; i < card->num_configs; ++i) { + codec_conf = &card->codec_conf[i]; + if (!strcmp(codec->name, codec_conf->dev_name)) { + compress_type = codec_conf->compress_type; + if (compress_type && compress_type + != codec->compress_type) + break; + } + } + if (i == card->num_configs) { + /* no need to override the compress_type so + * go ahead and do the standard thing */ + ret = snd_soc_init_codec_cache(codec, 0); + if (ret < 0) { + mutex_unlock(&card->mutex); + return; + } + continue; + } + /* override the compress_type with the one supplied in + * the machine driver */ + ret = snd_soc_init_codec_cache(codec, compress_type); + if (ret < 0) { + mutex_unlock(&card->mutex); + return; + } + } + /* card bind complete so register a sound card */ ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, card->owner, 0, &card->snd_card); @@ -3481,13 +3541,7 @@ int snd_soc_register_codec(struct device *dev, reg_size, GFP_KERNEL); if (!codec->reg_def_copy) { ret = -ENOMEM; - goto error_cache; - } - ret = snd_soc_cache_init(codec); - if (ret < 0) { - dev_err(codec->dev, "Failed to set cache compression type: %d\n", - ret); - goto error_cache; + goto fail; } } @@ -3500,7 +3554,7 @@ int snd_soc_register_codec(struct device *dev, if (num_dai) { ret = snd_soc_register_dais(dev, dai_drv, num_dai); if (ret < 0) - goto error_dais; + goto fail; } mutex_lock(&client_mutex); @@ -3511,9 +3565,7 @@ int snd_soc_register_codec(struct device *dev, pr_debug("Registered codec '%s'\n", codec->name); return 0; -error_dais: - snd_soc_cache_exit(codec); -error_cache: +fail: kfree(codec->reg_def_copy); codec->reg_def_copy = NULL; kfree(codec->name); |