/*
* wm8990.c -- WM8990 ALSA Soc Audio driver
*
* Copyright 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 as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/slab.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 <asm/div64.h>
#include "wm8990.h"
/* codec private data */
struct wm8990_priv {
enum snd_soc_control_type control_type;
unsigned int sysclk;
unsigned int pcmclk;
};
static int wm8990_volatile_register(struct snd_soc_codec *codec,
unsigned int reg)
{
switch (reg) {
case WM8990_RESET:
return 1;
default:
return 0;
}
}
static const u16 wm8990_reg[] = {
0x8990, /* R0 - Reset */
0x0000, /* R1 - Power Management (1) */
0x6000, /* R2 - Power Management (2) */
0x0000, /* R3 - Power Management (3) */
0x4050, /* R4 - Audio Interface (1) */
0x4000, /* R5 - Audio Interface (2) */
0x01C8, /* R6 - Clocking (1) */
0x0000, /* R7 - Clocking (2) */
0x0040, /* R8 - Audio Interface (3) */
