control_hw.c File Reference

CTL HW Plugin Interface. More...

Include dependency graph for control_hw.c:

Macros
#define	F_SETSIG   10

Functions
int	snd_ctl_hw_open (snd_ctl_t **handle, const char *name, int card, int mode)
	Creates a new hw control. More...
int	_snd_ctl_hw_open (snd_ctl_t **handlep, char *name, snd_config_t *root, snd_config_t *conf, int mode)
	Creates a new hw control handle. More...

Detailed Description

CTL HW Plugin Interface.

Author

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

Date

2000

Function Documentation

_snd_ctl_hw_open()

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

Creates a new hw control handle.

Parameters

handlep	Returns created control handle
name	Name of control device
root	Root configuration node
conf	Configuration node with hw PCM description
mode	Control Mode

Warning

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

snd_ctl_hw_open()

int snd_ctl_hw_open	(	snd_ctl_t **	handle,
		const char *	name,
		int	card,
		int	mode
	)

Creates a new hw control.

Parameters

handle	Returns created control handle
name	Name of control device
card	Number of card
mode	Control 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.