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ALSA: hda - Add generic arrays

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Added helper functions to handle generic arrays.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
2008-07-30 15:01:44 +02:00
parent 176d5335fe
commit b2e1859745
2 changed files with 54 additions and 0 deletions
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20
sound/pci/hda/hda_codec.h
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@@ -519,6 +519,26 @@ enum {
/* max. codec address */
#define HDA_MAX_CODEC_ADDRESS 0x0f
/*
* generic arrays
*/
struct snd_array {
unsigned int used;
unsigned int alloced;
unsigned int elem_size;
unsigned int alloc_align;
void *list;
};
void *snd_array_new(struct snd_array *array);
void snd_array_free(struct snd_array *array);
static inline void snd_array_init(struct snd_array *array, unsigned int size,
unsigned int align)
{
array->elem_size = size;
array->alloc_align = align;
}
/*
* Structures
*/