Release 4.17 sound/soc/codecs/ics43432.c

/*
 * I2S MEMS microphone driver for InvenSense ICS-43432
 *
 * - Non configurable.
 * - I2S interface, 64 BCLs per frame, 32 bits per channel, 24 bit data
 *
 * Copyright (c) 2015 Axis Communications AB
 *
 * Licensed under GPL v2.
 */

#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>


#define ICS43432_RATE_MIN 7190 
/* Hz, from data sheet */

#define ICS43432_RATE_MAX 52800  
/* Hz, from data sheet */


#define ICS43432_FORMATS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32)


static struct snd_soc_dai_driver ics43432_dai = {
	.name = "ics43432-hifi",
	.capture = {
		.stream_name = "Capture",
		.channels_min = 1,
		.channels_max = 2,
		.rate_min = ICS43432_RATE_MIN,
		.rate_max = ICS43432_RATE_MAX,
		.rates = SNDRV_PCM_RATE_CONTINUOUS,
		.formats = ICS43432_FORMATS,
        },
};


static const struct snd_soc_component_driver ics43432_component_driver = {
	.idle_bias_on		= 1,
	.use_pmdown_time	= 1,
	.endianness		= 1,
	.non_legacy_dai_naming	= 1,
};



static int ics43432_probe(struct platform_device *pdev)
{
	return devm_snd_soc_register_component(&pdev->dev,
			&ics43432_component_driver,
			&ics43432_dai, 1);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Ricard Wanderlöf
26
92.86%
1
50.00%
Kuninori Morimoto
2
7.14%
1
50.00%
Total
28
100.00%
2
100.00%

#ifdef CONFIG_OF

static const struct of_device_id ics43432_ids[] = {
	{ .compatible = "invensense,ics43432", },
	{ }
};
MODULE_DEVICE_TABLE(of, ics43432_ids);
#endif


static struct platform_driver ics43432_driver = {
	.driver = {
		.name = "ics43432",
		.of_match_table = of_match_ptr(ics43432_ids),
        },
	.probe = ics43432_probe,
};

module_platform_driver(ics43432_driver);

MODULE_DESCRIPTION("ASoC ICS43432 driver");
MODULE_AUTHOR("Ricard Wanderlof <ricardw@axis.com>");
MODULE_LICENSE("GPL v2");
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Ricard Wanderlöf
202
87.83%
2
40.00%
Kuninori Morimoto
25
10.87%
1
20.00%
Axel Lin
2
0.87%
1
20.00%
Bhumika Goyal
1
0.43%
1
20.00%
Total
230
100.00%
5
100.00%
Directory: sound/soc/codecs

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.