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Release 4.11 drivers/mfd/wm831x-spi.c

Directory: drivers/mfd
/*
 * wm831x-spi.c  --  SPI access for Wolfson WM831x PMICs
 *
 * Copyright 2009,2010 Wolfson Microelectronics PLC.
 *
 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pm.h>
#include <linux/spi/spi.h>
#include <linux/regmap.h>
#include <linux/err.h>

#include <linux/mfd/wm831x/core.h>


static int wm831x_spi_probe(struct spi_device *spi) { const struct spi_device_id *id = spi_get_device_id(spi); struct wm831x *wm831x; enum wm831x_parent type; int ret; type = (enum wm831x_parent)id->driver_data; wm831x = devm_kzalloc(&spi->dev, sizeof(struct wm831x), GFP_KERNEL); if (wm831x == NULL) return -ENOMEM; spi->mode = SPI_MODE_0; spi_set_drvdata(spi, wm831x); wm831x->dev = &spi->dev; wm831x->regmap = devm_regmap_init_spi(spi, &wm831x_regmap_config); if (IS_ERR(wm831x->regmap)) { ret = PTR_ERR(wm831x->regmap); dev_err(wm831x->dev, "Failed to allocate register map: %d\n", ret); return ret; } return wm831x_device_init(wm831x, type, spi->irq); }

Contributors

PersonTokensPropCommitsCommitProp
Mark Brown15199.34%583.33%
Jingoo Han10.66%116.67%
Total152100.00%6100.00%


static int wm831x_spi_remove(struct spi_device *spi) { struct wm831x *wm831x = spi_get_drvdata(spi); wm831x_device_exit(wm831x); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Brown2896.55%150.00%
Jingoo Han13.45%150.00%
Total29100.00%2100.00%


static int wm831x_spi_suspend(struct device *dev) { struct wm831x *wm831x = dev_get_drvdata(dev); return wm831x_device_suspend(wm831x); }

Contributors

PersonTokensPropCommitsCommitProp
Mark Brown27100.00%2100.00%
Total27100.00%2100.00%


static int wm831x_spi_poweroff(struct device *dev) { struct wm831x *wm831x = dev_get_drvdata(dev); wm831x_device_shutdown(wm831x); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Brown29100.00%2100.00%
Total29100.00%2100.00%

static const struct dev_pm_ops wm831x_spi_pm = { .freeze = wm831x_spi_suspend, .suspend = wm831x_spi_suspend, .poweroff = wm831x_spi_poweroff, }; static const struct spi_device_id wm831x_spi_ids[] = { { "wm8310", WM8310 }, { "wm8311", WM8311 }, { "wm8312", WM8312 }, { "wm8320", WM8320 }, { "wm8321", WM8321 }, { "wm8325", WM8325 }, { "wm8326", WM8326 }, { }, }; MODULE_DEVICE_TABLE(spi, wm831x_spi_ids); static struct spi_driver wm831x_spi_driver = { .driver = { .name = "wm831x", .pm = &wm831x_spi_pm, }, .id_table = wm831x_spi_ids, .probe = wm831x_spi_probe, .remove = wm831x_spi_remove, };
static int __init wm831x_spi_init(void) { int ret; ret = spi_register_driver(&wm831x_spi_driver); if (ret != 0) pr_err("Failed to register WM831x SPI driver: %d\n", ret); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Mark Brown36100.00%3100.00%
Total36100.00%3100.00%

subsys_initcall(wm831x_spi_init);
static void __exit wm831x_spi_exit(void) { spi_unregister_driver(&wm831x_spi_driver); }

Contributors

PersonTokensPropCommitsCommitProp
Mark Brown15100.00%2100.00%
Total15100.00%2100.00%

module_exit(wm831x_spi_exit); MODULE_DESCRIPTION("SPI support for WM831x/2x AudioPlus PMICs"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Mark Brown");

Overall Contributors

PersonTokensPropCommitsCommitProp
Mark Brown45399.34%981.82%
Jingoo Han20.44%19.09%
Hai Dong10.22%19.09%
Total456100.00%11100.00%
Directory: drivers/mfd
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