diff options
Diffstat (limited to 'sound/soc/soc-core.c')
| -rw-r--r-- | sound/soc/soc-core.c | 89 |
1 files changed, 79 insertions, 10 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index b76b74d..a6f37d4 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -629,6 +629,7 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) runtime->hw.rates |= codec_dai_drv->capture.rates; } + ret = -EINVAL; snd_pcm_limit_hw_rates(runtime); if (!runtime->hw.rates) { printk(KERN_ERR "asoc: %s <-> %s No matching rates\n", @@ -640,7 +641,8 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) codec_dai->name, cpu_dai->name); goto config_err; } - if (!runtime->hw.channels_min || !runtime->hw.channels_max) { + if (!runtime->hw.channels_min || !runtime->hw.channels_max || + runtime->hw.channels_min > runtime->hw.channels_max) { printk(KERN_ERR "asoc: %s <-> %s No matching channels\n", codec_dai->name, cpu_dai->name); goto config_err; @@ -1451,6 +1453,16 @@ static void soc_remove_dai_link(struct snd_soc_card *card, int num) } } +static void soc_remove_dai_links(struct snd_soc_card *card) +{ + int i; + + for (i = 0; i < card->num_rtd; i++) + soc_remove_dai_link(card, i); + + card->num_rtd = 0; +} + static void soc_set_name_prefix(struct snd_soc_card *card, struct snd_soc_codec *codec) { @@ -1491,6 +1503,9 @@ static int soc_probe_codec(struct snd_soc_card *card, } } + if (driver->controls) + snd_soc_add_controls(codec, driver->controls, + driver->num_controls); if (driver->dapm_widgets) snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets, driver->num_dapm_widgets); @@ -1863,6 +1878,10 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card) INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); #endif + if (card->dapm_widgets) + snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, + card->num_dapm_widgets); + /* initialise the sound card only once */ if (card->probe) { ret = card->probe(card); @@ -1888,9 +1907,14 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card) } } - if (card->dapm_widgets) - snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, - card->num_dapm_widgets); + /* We should have a non-codec control add function but we don't */ + if (card->controls) + snd_soc_add_controls(list_first_entry(&card->codec_dev_list, + struct snd_soc_codec, + card_list), + card->controls, + card->num_controls); + if (card->dapm_routes) snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, card->num_dapm_routes); @@ -1947,8 +1971,7 @@ probe_aux_dev_err: soc_remove_aux_dev(card, i); probe_dai_err: - for (i = 0; i < card->num_links; i++) - soc_remove_dai_link(card, i); + soc_remove_dai_links(card); card_probe_error: if (card->remove) @@ -2010,8 +2033,7 @@ static int soc_cleanup_card_resources(struct snd_soc_card *card) soc_remove_aux_dev(card, i); /* remove and free each DAI */ - for (i = 0; i < card->num_rtd; i++) - soc_remove_dai_link(card, i); + soc_remove_dai_links(card); soc_cleanup_card_debugfs(card); @@ -2060,6 +2082,7 @@ const struct dev_pm_ops snd_soc_pm_ops = { .resume = snd_soc_resume, .poweroff = snd_soc_poweroff, }; +EXPORT_SYMBOL_GPL(snd_soc_pm_ops); /* ASoC platform driver */ static struct platform_driver soc_driver = { @@ -2147,6 +2170,42 @@ int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register); /** + * snd_soc_codec_readable_register: Report if a register is readable. + * + * @codec: CODEC to query. + * @reg: Register to query. + * + * Boolean function indicating if a CODEC register is readable. + */ +int snd_soc_codec_readable_register(struct snd_soc_codec *codec, + unsigned int reg) +{ + if (codec->readable_register) + return codec->readable_register(codec, reg); + else + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register); + +/** + * snd_soc_codec_writable_register: Report if a register is writable. + * + * @codec: CODEC to query. + * @reg: Register to query. + * + * Boolean function indicating if a CODEC register is writable. + */ +int snd_soc_codec_writable_register(struct snd_soc_codec *codec, + unsigned int reg) +{ + if (codec->writable_register) + return codec->writable_register(codec, reg); + else + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register); + +/** * snd_soc_new_ac97_codec - initailise AC97 device * @codec: audio codec * @ops: AC97 bus operations @@ -2228,6 +2287,13 @@ unsigned int snd_soc_write(struct snd_soc_codec *codec, } EXPORT_SYMBOL_GPL(snd_soc_write); +unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec, + unsigned int reg, const void *data, size_t len) +{ + return codec->bulk_write_raw(codec, reg, data, len); +} +EXPORT_SYMBOL_GPL(snd_soc_bulk_write_raw); + /** * snd_soc_update_bits - update codec register bits * @codec: audio codec @@ -3409,7 +3475,7 @@ int snd_soc_register_dai(struct device *dev, dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); if (dai == NULL) - return -ENOMEM; + return -ENOMEM; /* create DAI component name */ dai->name = fmt_single_name(dev, &dai->id); @@ -3548,7 +3614,7 @@ int snd_soc_register_platform(struct device *dev, platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); if (platform == NULL) - return -ENOMEM; + return -ENOMEM; /* create platform component name */ platform->name = fmt_single_name(dev, &platform->id); @@ -3666,6 +3732,7 @@ int snd_soc_register_codec(struct device *dev, codec->read = codec_drv->read; codec->volatile_register = codec_drv->volatile_register; codec->readable_register = codec_drv->readable_register; + codec->writable_register = codec_drv->writable_register; codec->dapm.bias_level = SND_SOC_BIAS_OFF; codec->dapm.dev = dev; codec->dapm.codec = codec; @@ -3700,6 +3767,8 @@ int snd_soc_register_codec(struct device *dev, codec->volatile_register = snd_soc_default_volatile_register; if (!codec->readable_register) codec->readable_register = snd_soc_default_readable_register; + if (!codec->writable_register) + codec->writable_register = snd_soc_default_writable_register; } for (i = 0; i < num_dai; i++) { |
