linux_dsm_epyc7002/arch/arm/mach-pxa/include/mach/audio.h
Marek Vasut 4ac0478f2a ALSA: Allow passing platform_data for pxa2xx-ac97
This patch adds support for passing platform data to ac97 bus devices
from PXA2xx-AC97 driver..

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2009-08-13 22:19:37 +01:00

31 lines
916 B
C

#ifndef __ASM_ARCH_AUDIO_H__
#define __ASM_ARCH_AUDIO_H__
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
/*
* @reset_gpio: AC97 reset gpio (normally gpio113 or gpio95)
* a -1 value means no gpio will be used for reset
* @codec_pdata: AC97 codec platform_data
* reset_gpio should only be specified for pxa27x CPUs where a silicon
* bug prevents correct operation of the reset line. If not specified,
* the default behaviour on these CPUs is to consider gpio 113 as the
* AC97 reset line, which is the default on most boards.
*/
typedef struct {
int (*startup)(struct snd_pcm_substream *, void *);
void (*shutdown)(struct snd_pcm_substream *, void *);
void (*suspend)(void *);
void (*resume)(void *);
void *priv;
int reset_gpio;
void *codec_pdata[AC97_BUS_MAX_DEVICES];
} pxa2xx_audio_ops_t;
extern void pxa_set_ac97_info(pxa2xx_audio_ops_t *ops);
#endif