pcm_params.h File Reference

#include <sound/pcm.h>

Go to the source code of this file.

Macros
#define	SNDRV_MASK_BITS   64 /* we use so far 64bits only */
#define	SNDRV_MASK_SIZE   (SNDRV_MASK_BITS / 32)
#define	MASK_OFS(i)   ((i) >> 5)
#define	MASK_BIT(i)   (1U << ((i) & 31))
#define	params_access(p)
#define	params_format(p)
#define	params_subformat(p)   snd_mask_min(hw_param_mask_c((p), SNDRV_PCM_HW_PARAM_SUBFORMAT))

Functions
int	snd_pcm_hw_param_first (struct snd_pcm_substream *pcm, struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var, int *dir)
int	snd_pcm_hw_param_last (struct snd_pcm_substream *pcm, struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var, int *dir)
int	snd_pcm_hw_param_value (const struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var, int *dir)

Macro Definition Documentation

#define MASK_BIT

(

i

)

(1U << ((i) & 31))

Definition at line 39 of file pcm_params.h.

#define MASK_OFS

(

i

)

((i) >> 5)

Definition at line 38 of file pcm_params.h.

#define params_access

(

p

)

Value:

((__force snd_pcm_access_t)\
        snd_mask_min(hw_param_mask_c((p), SNDRV_PCM_HW_PARAM_ACCESS)))

Definition at line 342 of file pcm_params.h.

#define params_format

(

p

)

Value:

((__force snd_pcm_format_t)\
        snd_mask_min(hw_param_mask_c((p), SNDRV_PCM_HW_PARAM_FORMAT)))

Definition at line 344 of file pcm_params.h.

#define params_subformat

(

p

)

snd_mask_min(hw_param_mask_c((p), SNDRV_PCM_HW_PARAM_SUBFORMAT))

Definition at line 346 of file pcm_params.h.

#define SNDRV_MASK_BITS   64 /* we use so far 64bits only */

Definition at line 36 of file pcm_params.h.

#define SNDRV_MASK_SIZE   (SNDRV_MASK_BITS / 32)

Definition at line 37 of file pcm_params.h.

Function Documentation

int snd_pcm_hw_param_first	(	struct snd_pcm_substream *	pcm,
		struct snd_pcm_hw_params *	params,
		snd_pcm_hw_param_t	var,
		int *	dir
	)

Definition at line 1555 of file pcm_lib.c.

int snd_pcm_hw_param_last	(	struct snd_pcm_substream *	pcm,
		struct snd_pcm_hw_params *	params,
		snd_pcm_hw_param_t	var,
		int *	dir
	)

Definition at line 1601 of file pcm_lib.c.

int snd_pcm_hw_param_value	(	const struct snd_pcm_hw_params *	params,
		snd_pcm_hw_param_t	var,
		int *	dir
	)

Definition at line 1484 of file pcm_lib.c.