linux/drivers/mfd/wm831x-auxadc.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * wm831x-auxadc.c  --  AUXADC for Wolfson WM831x PMICs
 *
 * Copyright 2009-2011 Wolfson Microelectronics PLC.
 *
 * Author: Mark Brown <[email protected]>
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/mfd/core.h>
#include <linux/slab.h>
#include <linux/list.h>

#include <linux/mfd/wm831x/core.h>
#include <linux/mfd/wm831x/pdata.h>
#include <linux/mfd/wm831x/irq.h>
#include <linux/mfd/wm831x/auxadc.h>
#include <linux/mfd/wm831x/otp.h>
#include <linux/mfd/wm831x/regulator.h>

struct wm831x_auxadc_req { … };

static int wm831x_auxadc_read_irq(struct wm831x *wm831x,
				  enum wm831x_auxadc input)
{ … }

static irqreturn_t wm831x_auxadc_irq(int irq, void *irq_data)
{ … }

static int wm831x_auxadc_read_polled(struct wm831x *wm831x,
				     enum wm831x_auxadc input)
{ … }

/**
 * wm831x_auxadc_read: Read a value from the WM831x AUXADC
 *
 * @wm831x: Device to read from.
 * @input: AUXADC input to read.
 */
int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * wm831x_auxadc_read_uv: Read a voltage from the WM831x AUXADC
 *
 * @wm831x: Device to read from.
 * @input: AUXADC input to read.
 */
int wm831x_auxadc_read_uv(struct wm831x *wm831x, enum wm831x_auxadc input)
{ … }
EXPORT_SYMBOL_GPL(…);

void wm831x_auxadc_init(struct wm831x *wm831x)
{ … }