47 строки
1.3 KiB
C
47 строки
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* mux/consumer.h - definitions for the multiplexer consumer interface
|
|
*
|
|
* Copyright (C) 2017 Axentia Technologies AB
|
|
*
|
|
* Author: Peter Rosin <peda@axentia.se>
|
|
*/
|
|
|
|
#ifndef _LINUX_MUX_CONSUMER_H
|
|
#define _LINUX_MUX_CONSUMER_H
|
|
|
|
#include <linux/compiler.h>
|
|
|
|
struct device;
|
|
struct mux_control;
|
|
|
|
unsigned int mux_control_states(struct mux_control *mux);
|
|
int __must_check mux_control_select_delay(struct mux_control *mux,
|
|
unsigned int state,
|
|
unsigned int delay_us);
|
|
int __must_check mux_control_try_select_delay(struct mux_control *mux,
|
|
unsigned int state,
|
|
unsigned int delay_us);
|
|
|
|
static inline int __must_check mux_control_select(struct mux_control *mux,
|
|
unsigned int state)
|
|
{
|
|
return mux_control_select_delay(mux, state, 0);
|
|
}
|
|
|
|
static inline int __must_check mux_control_try_select(struct mux_control *mux,
|
|
unsigned int state)
|
|
{
|
|
return mux_control_try_select_delay(mux, state, 0);
|
|
}
|
|
|
|
int mux_control_deselect(struct mux_control *mux);
|
|
|
|
struct mux_control *mux_control_get(struct device *dev, const char *mux_name);
|
|
void mux_control_put(struct mux_control *mux);
|
|
|
|
struct mux_control *devm_mux_control_get(struct device *dev,
|
|
const char *mux_name);
|
|
|
|
#endif /* _LINUX_MUX_CONSUMER_H */
|