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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>
This commit is contained in:
Sameer Pujar 2022-08-08 10:57:32 +05:30 committed by Mark Brown
parent 955927873d
commit 047a05366f
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 35 additions and 0 deletions
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1
include/sound/simple_card_utils.h
View File

@ -39,6 +39,7 @@ struct asoc_simple_dai {
struct asoc_simple_data {
u32 convert_rate;
u32 convert_channels;
const char *convert_sample_format;
};
struct asoc_simple_jack {

34
sound/soc/generic/simple-card-utils.c
View File

@ -15,6 +15,33 @@
#include <sound/pcm_params.h>
#include <sound/simple_card_utils.h>
static void asoc_simple_fixup_sample_fmt(struct asoc_simple_data *data,
struct snd_pcm_hw_params *params)
{
int i;
struct snd_mask *mask = hw_param_mask(params,
SNDRV_PCM_HW_PARAM_FORMAT);
struct {
char *fmt;
u32 val;
} of_sample_fmt_table[] = {
{ "s8", SNDRV_PCM_FORMAT_S8},
{ "s16_le", SNDRV_PCM_FORMAT_S16_LE},
{ "s24_le", SNDRV_PCM_FORMAT_S24_LE},
{ "s24_3le", SNDRV_PCM_FORMAT_S24_3LE},
{ "s32_le", SNDRV_PCM_FORMAT_S32_LE},
};
for (i = 0; i < ARRAY_SIZE(of_sample_fmt_table); i++) {
if (!strcmp(data->convert_sample_format,
of_sample_fmt_table[i].fmt)) {
snd_mask_none(mask);
snd_mask_set(mask, of_sample_fmt_table[i].val);
break;
}
}
}
void asoc_simple_convert_fixup(struct asoc_simple_data *data,
struct snd_pcm_hw_params *params)
{
@ -30,6 +57,9 @@ void asoc_simple_convert_fixup(struct asoc_simple_data *data,
if (data->convert_channels)
channels->min =
channels->max = data->convert_channels;
if (data->convert_sample_format)
asoc_simple_fixup_sample_fmt(data, params);
}
EXPORT_SYMBOL_GPL(asoc_simple_convert_fixup);
@ -49,6 +79,10 @@ void asoc_simple_parse_convert(struct device_node *np,
/* channels transfer */
snprintf(prop, sizeof(prop), "%s%s", prefix, "convert-channels");
of_property_read_u32(np, prop, &data->convert_channels);
/* convert sample format */
snprintf(prop, sizeof(prop), "%s%s", prefix, "convert-sample-format");
of_property_read_string(np, prop, &data->convert_sample_format);
}
EXPORT_SYMBOL_GPL(asoc_simple_parse_convert);