/*
* wm8991.c -- WM8991 ALSA Soc Audio driver
*
* Copyright 2007-2010 Wolfson Microelectronics PLC.
* Author: Graeme Gregory
* Graeme.Gregory@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/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/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include <asm/div64.h>
#include "wm8991.h"
struct wm8991_priv {
enum snd_soc_control_type control_type;
unsigned int pcmclk;
};
static const u16 wm8991_reg_defs[] = {
0x8991, /* 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) */
0x0040, /* R9 - Audio Interface (4) */
0x0004, /* R10 - DAC CTRL */
0x00C0, /* R11 - Left DAC Digital Volume */
0x00C0, /* R12 - Right DAC Digital Volume */
0x0000, /* R13 - Digital Side Tone */
0x0100, /* R14 - ADC CTRL */
0x00C0, /* R15 - Left ADC Digital Volume */
0x00C0, /* R16 - Right ADC Digital Volume */
0x0000, /* R17 */
0x0000, /* R18 - GPIO CTRL 1 */
0x1000, /* R19 - GPIO1 & GPIO2 */
0x1010, /* R20 - GPIO3 & GPIO4 */
0x1010, /* R21 - GPIO5 & GPIO6 */
0x8000, /* R22 - GPIOCTRL 2 */
0x0800, /* R23 - GPIO_POL */
0x008B, /* R24 - Left Line Input 