path: root/sound/soc/codecs/wm8350.c

/*
 * wm8350.c -- WM8350 ALSA SoC audio driver
 *
 * Copyright (C) 2007, 2008 Wolfson Microelectronics PLC.
 *
 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
#include <linux/mfd/wm8350/audio.h>
#include <linux/mfd/wm8350/core.h>
#include <linux/regulator/consumer.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>
#include <trace/events/asoc.h>

#include "wm8350.h"

#define WM8350_OUTn_0dB 0x39

#define WM8350_RAMP_NONE	0
#define WM8350_RAMP_UP		1
#define WM8350_RAMP_DOWN	2

/* We only include the analogue supplies here; the digital supplies
 * need to be available well before this driver can be probed.
 */
static const char *supply_names[] = {
	"AVDD",
	"HPVDD",
};

struct wm8350_output {
	u16 active;
	u16 left_vol;
	u16 right_vol;
	u16 ramp;
	u16 mute;
};

struct wm8350_