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ASoC: simple-card-utils: Fixup DAI sample format
Parse "convert-sample-format" DT binding and fixup the sample format as applicable. This is similar to the existing "convert-channels" and "convert-rate" properties for channels and rate fixup respectively. Signed-off-by: Sameer Pujar <spujar@nvidia.com> Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/1659936452-2254-4-git-send-email-spujar@nvidia.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -39,6 +39,7 @@ struct asoc_simple_dai {
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struct asoc_simple_data {
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u32 convert_rate;
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u32 convert_channels;
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const char *convert_sample_format;
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};
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struct asoc_simple_jack {
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@ -15,6 +15,33 @@
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#include <sound/pcm_params.h>
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#include <sound/simple_card_utils.h>
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static void asoc_simple_fixup_sample_fmt(struct asoc_simple_data *data,
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struct snd_pcm_hw_params *params)
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{
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int i;
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struct snd_mask *mask = hw_param_mask(params,
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SNDRV_PCM_HW_PARAM_FORMAT);
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struct {
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char *fmt;
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u32 val;
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} of_sample_fmt_table[] = {
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{ "s8", SNDRV_PCM_FORMAT_S8},
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{ "s16_le", SNDRV_PCM_FORMAT_S16_LE},
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{ "s24_le", SNDRV_PCM_FORMAT_S24_LE},
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{ "s24_3le", SNDRV_PCM_FORMAT_S24_3LE},
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{ "s32_le", SNDRV_PCM_FORMAT_S32_LE},
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};
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for (i = 0; i < ARRAY_SIZE(of_sample_fmt_table); i++) {
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if (!strcmp(data->convert_sample_format,
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of_sample_fmt_table[i].fmt)) {
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snd_mask_none(mask);
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snd_mask_set(mask, of_sample_fmt_table[i].val);
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break;
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}
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}
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}
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void asoc_simple_convert_fixup(struct asoc_simple_data *data,
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struct snd_pcm_hw_params *params)
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{
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@ -30,6 +57,9 @@ void asoc_simple_convert_fixup(struct asoc_simple_data *data,
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if (data->convert_channels)
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channels->min =
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channels->max = data->convert_channels;
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if (data->convert_sample_format)
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asoc_simple_fixup_sample_fmt(data, params);
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}
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EXPORT_SYMBOL_GPL(asoc_simple_convert_fixup);
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@ -49,6 +79,10 @@ void asoc_simple_parse_convert(struct device_node *np,
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/* channels transfer */
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snprintf(prop, sizeof(prop), "%s%s", prefix, "convert-channels");
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of_property_read_u32(np, prop, &data->convert_channels);
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/* convert sample format */
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snprintf(prop, sizeof(prop), "%s%s", prefix, "convert-sample-format");
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of_property_read_string(np, prop, &data->convert_sample_format);
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}
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EXPORT_SYMBOL_GPL(asoc_simple_parse_convert);
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