diff options
| -rw-r--r-- | sound/soc/soc-core.c | 124 |
1 files changed, 62 insertions, 62 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 962c527a1d1e..e8d4871e1ab6 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1054,6 +1054,68 @@ _err_defer: } EXPORT_SYMBOL_GPL(snd_soc_add_pcm_runtime); +/** + * snd_soc_runtime_set_dai_fmt() - Change DAI link format for a ASoC runtime + * @rtd: The runtime for which the DAI link format should be changed + * @dai_fmt: The new DAI link format + * + * This function updates the DAI link format for all DAIs connected to the DAI + * link for the specified runtime. + * + * Note: For setups with a static format set the dai_fmt field in the + * corresponding snd_dai_link struct instead of using this function. + * + * Returns 0 on success, otherwise a negative error code. + */ +int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, + unsigned int dai_fmt) +{ + struct snd_soc_dai *cpu_dai; + struct snd_soc_dai *codec_dai; + unsigned int inv_dai_fmt; + unsigned int i; + int ret; + + for_each_rtd_codec_dais(rtd, i, codec_dai) { + ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt); + if (ret != 0 && ret != -ENOTSUPP) + return ret; + } + + /* + * Flip the polarity for the "CPU" end of a CODEC<->CODEC link + * the component which has non_legacy_dai_naming is Codec + */ + inv_dai_fmt = dai_fmt & ~SND_SOC_DAIFMT_MASTER_MASK; + switch (dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + inv_dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; + break; + case SND_SOC_DAIFMT_CBM_CFS: + inv_dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; + break; + case SND_SOC_DAIFMT_CBS_CFM: + inv_dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; + break; + case SND_SOC_DAIFMT_CBS_CFS: + inv_dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; + break; + } + for_each_rtd_cpu_dais(rtd, i, cpu_dai) { + unsigned int fmt = dai_fmt; + + if (cpu_dai->component->driver->non_legacy_dai_naming) + fmt = inv_dai_fmt; + + ret = snd_soc_dai_set_fmt(cpu_dai, fmt); + if (ret != 0 && ret != -ENOTSUPP) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_runtime_set_dai_fmt); + static int soc_init_pcm_runtime(struct snd_soc_card *card, struct snd_soc_pcm_runtime *rtd) { @@ -1402,68 +1464,6 @@ static void soc_remove_aux_devices(struct snd_soc_card *card) } } -/** - * snd_soc_runtime_set_dai_fmt() - Change DAI link format for a ASoC runtime - * @rtd: The runtime for which the DAI link format should be changed - * @dai_fmt: The new DAI link format - * - * This function updates the DAI link format for all DAIs connected to the DAI - * link for the specified runtime. - * - * Note: For setups with a static format set the dai_fmt field in the - * corresponding snd_dai_link struct instead of using this function. - * - * Returns 0 on success, otherwise a negative error code. - */ -int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, - unsigned int dai_fmt) -{ - struct snd_soc_dai *cpu_dai; - struct snd_soc_dai *codec_dai; - unsigned int inv_dai_fmt; - unsigned int i; - int ret; - - for_each_rtd_codec_dais(rtd, i, codec_dai) { - ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt); - if (ret != 0 && ret != -ENOTSUPP) - return ret; - } - - /* - * Flip the polarity for the "CPU" end of a CODEC<->CODEC link - * the component which has non_legacy_dai_naming is Codec - */ - inv_dai_fmt = dai_fmt & ~SND_SOC_DAIFMT_MASTER_MASK; - switch (dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBM_CFM: - inv_dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; - break; - case SND_SOC_DAIFMT_CBM_CFS: - inv_dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; - break; - case SND_SOC_DAIFMT_CBS_CFM: - inv_dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; - break; - case SND_SOC_DAIFMT_CBS_CFS: - inv_dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; - break; - } - for_each_rtd_cpu_dais(rtd, i, cpu_dai) { - unsigned int fmt = dai_fmt; - - if (cpu_dai->component->driver->non_legacy_dai_naming) - fmt = inv_dai_fmt; - - ret = snd_soc_dai_set_fmt(cpu_dai, fmt); - if (ret != 0 && ret != -ENOTSUPP) - return ret; - } - - return 0; -} -EXPORT_SYMBOL_GPL(snd_soc_runtime_set_dai_fmt); - #ifdef CONFIG_DMI /* * If a DMI filed contain strings in this blacklist (e.g. |