diff options
| -rw-r--r-- | include/sound/soc.h | 1 | ||||
| -rw-r--r-- | sound/soc/soc-core.c | 80 |
2 files changed, 46 insertions, 35 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index 44fab951b686..747d080a0853 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -837,6 +837,7 @@ struct snd_soc_component_driver { unsigned int idle_bias_on:1; unsigned int suspend_bias_off:1; unsigned int pmdown_time:1; /* care pmdown_time at stop */ + unsigned int endianness:1; }; struct snd_soc_component { diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index a3dcf14befd8..61c3d3649914 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -3404,6 +3404,41 @@ static void snd_soc_component_del_unlocked(struct snd_soc_component *component) list_del(&component->list); } +#define ENDIANNESS_MAP(name) \ + (SNDRV_PCM_FMTBIT_##name##LE | SNDRV_PCM_FMTBIT_##name##BE) +static u64 endianness_format_map[] = { + ENDIANNESS_MAP(S16_), + ENDIANNESS_MAP(U16_), + ENDIANNESS_MAP(S24_), + ENDIANNESS_MAP(U24_), + ENDIANNESS_MAP(S32_), + ENDIANNESS_MAP(U32_), + ENDIANNESS_MAP(S24_3), + ENDIANNESS_MAP(U24_3), + ENDIANNESS_MAP(S20_3), + ENDIANNESS_MAP(U20_3), + ENDIANNESS_MAP(S18_3), + ENDIANNESS_MAP(U18_3), + ENDIANNESS_MAP(FLOAT_), + ENDIANNESS_MAP(FLOAT64_), + ENDIANNESS_MAP(IEC958_SUBFRAME_), +}; + +/* + * 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 convert_endianness_formats(struct snd_soc_pcm_stream *stream) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(endianness_format_map); i++) + if (stream->formats & endianness_format_map[i]) + stream->formats |= endianness_format_map[i]; +} + int snd_soc_add_component(struct device *dev, struct snd_soc_component *component, const struct snd_soc_component_driver *component_driver, @@ -3411,6 +3446,7 @@ int snd_soc_add_component(struct device *dev, int num_dai) { int ret; + int i; ret = snd_soc_component_initialize(component, component_driver, dev); if (ret) @@ -3419,6 +3455,13 @@ int snd_soc_add_component(struct device *dev, component->ignore_pmdown_time = true; component->registered_as_component = true; + if (component_driver->endianness) { + for (i = 0; i < num_dai; i++) { + convert_endianness_formats(&dai_drv[i].playback); + convert_endianness_formats(&dai_drv[i].capture); + } + } + ret = snd_soc_register_dais(component, dai_drv, num_dai, true); if (ret < 0) { dev_err(dev, "ASoC: Failed to register DAIs: %d\n", ret); @@ -3675,39 +3718,6 @@ void snd_soc_unregister_platform(struct device *dev) } 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]; -} - static int snd_soc_codec_drv_probe(struct snd_soc_component *component) { struct snd_soc_codec *codec = snd_soc_component_to_codec(component); @@ -3858,8 +3868,8 @@ int snd_soc_register_codec(struct device *dev, codec->component.regmap = codec_drv->get_regmap(dev); for (i = 0; i < num_dai; i++) { - fixup_codec_formats(&dai_drv[i].playback); - fixup_codec_formats(&dai_drv[i].capture); + convert_endianness_formats(&dai_drv[i].playback); + convert_endianness_formats(&dai_drv[i].capture); } ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false); |