diff options
Diffstat (limited to 'sound/soc/soc-core.c')
| -rw-r--r-- | sound/soc/soc-core.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index af11791a3b8..6ac68e47b3a 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2387,6 +2387,39 @@ void snd_soc_unregister_platform(struct snd_soc_platform *platform) } EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); +static u64 codec_format_map[] = { + SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, + SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, + SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, + SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, + SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, + SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, + SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, + SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, + SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, + SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, + SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, + SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, + SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, + SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE + | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, +}; + +/* Fix up the DAI formats for endianness: codecs don't actually see + * the endianness of the data but we're using the CPU format + * definitions which do need to include endianness so we ensure that + * codec DAIs always have both big and little endian variants set. + */ +static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) + if (stream->formats & codec_format_map[i]) + stream->formats |= codec_format_map[i]; +} + /** * snd_soc_register_codec - Register a codec with the ASoC core * @@ -2394,6 +2427,8 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); */ int snd_soc_register_codec(struct snd_soc_codec *codec) { + int i; + if (!codec->name) return -EINVAL; @@ -2403,6 +2438,11 @@ int snd_soc_register_codec(struct snd_soc_codec *codec) INIT_LIST_HEAD(&codec->list); + for (i = 0; i < codec->num_dai; i++) { + fixup_codec_formats(&codec->dai[i].playback); + fixup_codec_formats(&codec->dai[i].capture); + } + mutex_lock(&client_mutex); list_add(&codec->list, &codec_list); snd_soc_instantiate_cards(); |