linux-stable/sound/soc/codecs/tlv320aic32x4-spi.c
Uwe Kleine-König 0f884099a5
ASoC: tlv320aic32x4: Make aic32x4_remove() return void
Up to now aic32x4_remove() returns zero unconditionally. Make it return
void instead which makes it easier to see in the callers that there is
no error to handle.

Also the return value of i2c and spi remove callbacks is ignored anyway.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20211015071113.2795767-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-10-18 13:56:42 +01:00

85 lines
2 KiB
C

/* SPDX-License-Identifier: GPL-2.0
*
* Copyright 2011-2019 NW Digital Radio
*
* Author: Annaliese McDermond <nh6z@nh6z.net>
*
* Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
*
*/
#include <linux/spi/spi.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include "tlv320aic32x4.h"
static const struct of_device_id aic32x4_of_id[];
static int aic32x4_spi_probe(struct spi_device *spi)
{
struct regmap *regmap;
struct regmap_config config;
config = aic32x4_regmap_config;
config.reg_bits = 7;
config.pad_bits = 1;
config.val_bits = 8;
config.read_flag_mask = 0x01;
regmap = devm_regmap_init_spi(spi, &config);
if (spi->dev.of_node) {
const struct of_device_id *oid;
oid = of_match_node(aic32x4_of_id, spi->dev.of_node);
dev_set_drvdata(&spi->dev, (void *)oid->data);
} else {
const struct spi_device_id *id_entry;
id_entry = spi_get_device_id(spi);
dev_set_drvdata(&spi->dev, (void *)id_entry->driver_data);
}
return aic32x4_probe(&spi->dev, regmap);
}
static int aic32x4_spi_remove(struct spi_device *spi)
{
aic32x4_remove(&spi->dev);
return 0;
}
static const struct spi_device_id aic32x4_spi_id[] = {
{ "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 },
{ "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(spi, aic32x4_spi_id);
static const struct of_device_id aic32x4_of_id[] = {
{ .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 },
{ .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 },
{ /* senitel */ }
};
MODULE_DEVICE_TABLE(of, aic32x4_of_id);
static struct spi_driver aic32x4_spi_driver = {
.driver = {
.name = "tlv320aic32x4",
.owner = THIS_MODULE,
.of_match_table = aic32x4_of_id,
},
.probe = aic32x4_spi_probe,
.remove = aic32x4_spi_remove,
.id_table = aic32x4_spi_id,
};
module_spi_driver(aic32x4_spi_driver);
MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI");
MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
MODULE_LICENSE("GPL");