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ASoC: Add platform data for WM1250 EV1 GPIOs

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The WM1250 EV1 has some GPIOs which can be used to control the behaviour
at runtime. Request them all if supplied and add a set_bias_level()
function to start and stop the clocks.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown
2011-09-21 20:54:47 +01:00
parent 85a843c50f
commit 213eb0fb1e
2 changed files with 145 additions and 3 deletions
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27
include/sound/wm1250-ev1.h Normal file
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/*
* linux/sound/wm1250-ev1.h - Platform data for WM1250-EV1
*
* Copyright 2011 Wolfson Microelectronics. PLC.
*
* 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.
*/
#ifndef __LINUX_SND_WM1250_EV1_H
#define __LINUX_SND_WM1250_EV1_H
#define WM1250_EV1_NUM_GPIOS 5
#define WM1250_EV1_GPIO_CLK_ENA 0
#define WM1250_EV1_GPIO_CLK_SEL0 1
#define WM1250_EV1_GPIO_CLK_SEL1 2
#define WM1250_EV1_GPIO_OSR 3
#define WM1250_EV1_GPIO_MASTER 4
struct wm1250_ev1_pdata {
int gpios[WM1250_EV1_NUM_GPIOS];
};
#endif