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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /sound/soc/codecs/cs35l45-spi.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/codecs/cs35l45-spi.c')
-rw-r--r-- | sound/soc/codecs/cs35l45-spi.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs35l45-spi.c b/sound/soc/codecs/cs35l45-spi.c new file mode 100644 index 000000000..baaf6e0f4 --- /dev/null +++ b/sound/soc/codecs/cs35l45-spi.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +// +// cs35l45-spi.c -- CS35L45 SPI driver +// +// Copyright 2019-2022 Cirrus Logic, Inc. +// +// Author: James Schulman <james.schulman@cirrus.com> + +#include <linux/device.h> +#include <linux/module.h> +#include <linux/regmap.h> +#include <linux/spi/spi.h> + +#include "cs35l45.h" + +static int cs35l45_spi_probe(struct spi_device *spi) +{ + struct cs35l45_private *cs35l45; + struct device *dev = &spi->dev; + int ret; + + cs35l45 = devm_kzalloc(dev, sizeof(struct cs35l45_private), GFP_KERNEL); + if (cs35l45 == NULL) + return -ENOMEM; + + spi_set_drvdata(spi, cs35l45); + cs35l45->regmap = devm_regmap_init_spi(spi, &cs35l45_spi_regmap); + if (IS_ERR(cs35l45->regmap)) { + ret = PTR_ERR(cs35l45->regmap); + dev_err(dev, "Failed to allocate register map: %d\n", ret); + return ret; + } + + cs35l45->dev = dev; + + return cs35l45_probe(cs35l45); +} + +static void cs35l45_spi_remove(struct spi_device *spi) +{ + struct cs35l45_private *cs35l45 = spi_get_drvdata(spi); + + cs35l45_remove(cs35l45); +} + +static const struct of_device_id cs35l45_of_match[] = { + { .compatible = "cirrus,cs35l45" }, + {}, +}; +MODULE_DEVICE_TABLE(of, cs35l45_of_match); + +static const struct spi_device_id cs35l45_id_spi[] = { + { "cs35l45", 0 }, + {} +}; +MODULE_DEVICE_TABLE(spi, cs35l45_id_spi); + +static struct spi_driver cs35l45_spi_driver = { + .driver = { + .name = "cs35l45", + .of_match_table = cs35l45_of_match, + .pm = &cs35l45_pm_ops, + }, + .id_table = cs35l45_id_spi, + .probe = cs35l45_spi_probe, + .remove = cs35l45_spi_remove, +}; +module_spi_driver(cs35l45_spi_driver); + +MODULE_DESCRIPTION("SPI CS35L45 driver"); +MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>"); +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_IMPORT_NS(SND_SOC_CS35L45); +MODULE_IMPORT_NS(SND_SOC_CS35L45_TABLES); |