control_remap.c File Reference

CTL Remap Plugin Interface. More...

Include dependency graph for control_remap.c:

Macros
#define	REMAP_DEBUG   0
#define	debug(format, args...)   do { } while (0)
#define	debug_id(id, format, args...)   do { } while (0)
#define	EREMAPNOTFOUND   (888899)
#define	ACCESS_BITS(bits)

Functions
int	snd_ctl_remap_open (snd_ctl_t **handlep, const char *name, snd_config_t *remap, snd_config_t *map, snd_ctl_t *child, int mode)
	Creates a new remap & map control handle. More...
int	_snd_ctl_remap_open (snd_ctl_t **handlep, char *name, snd_config_t *root, snd_config_t *conf, int mode)
	Creates a new remap & map control plugin. More...
	SND_DLSYM_BUILD_VERSION (_snd_ctl_remap_open, SND_CONTROL_DLSYM_VERSION)

Detailed Description

CTL Remap Plugin Interface.

Author

Jaroslav Kysela perex.nosp@m.@per.nosp@m.ex.cz

Date

2021

Macro Definition Documentation

ACCESS_BITS

#define ACCESS_BITS

(

bits

)

Value:

    (bits & (SNDRV_CTL_ELEM_ACCESS_READWRITE|\
         SNDRV_CTL_ELEM_ACCESS_VOLATILE|\
         SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))

Function Documentation

_snd_ctl_remap_open()

int _snd_ctl_remap_open	(	snd_ctl_t **	handlep,
		char *	name,
		snd_config_t *	root,
		snd_config_t *	conf,
		int	mode
	)

Creates a new remap & map control plugin.

Parameters

handlep	Returns created control handle
name	Name of control
root	Root configuration node
conf	Configuration node with Route & Volume PCM description
mode	Control handle mode

Return values

zero	on success otherwise a negative error code

Warning

Using of this function might be dangerous in the sense of compatibility reasons. The prototype might be freely changed in future.

snd_ctl_remap_open()

int snd_ctl_remap_open	(	snd_ctl_t **	handlep,
		const char *	name,
		snd_config_t *	remap,
		snd_config_t *	map,
		snd_ctl_t *	child,
		int	mode
	)

Creates a new remap & map control handle.

Parameters

handlep	Returns created control handle
name	Name of control device
remap	Remap configuration
map	Map configuration
mode	Control handle mode

Return values

zero	on success otherwise a negative error code

Warning

Using of this function might be dangerous in the sense of compatibility reasons. The prototype might be freely changed in future.