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author | Takashi Iwai <tiwai@suse.de> | 2015-03-03 17:33:10 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2015-03-23 13:19:35 +0100 |
commit | 71fc4c7ef5ef2d0ddd22f0545ede4c135b554b84 (patch) | |
tree | 2fad250a6c6f229aabd6b1aab41d24a50da511d9 /sound/pci/hda | |
parent | e311782acd196d17d25b323d115709c50c8f7d3f (diff) | |
download | linux-71fc4c7ef5ef2d0ddd22f0545ede4c135b554b84.tar.bz2 |
ALSA: hda - Move generic array helpers to core lib
This will be used by the regmap support.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda')
-rw-r--r-- | sound/pci/hda/hda_codec.c | 46 | ||||
-rw-r--r-- | sound/pci/hda/hda_codec.h | 30 |
2 files changed, 0 insertions, 76 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 145cae7903b6..10e257ff9084 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -5012,52 +5012,6 @@ void snd_hda_bus_reset(struct hda_bus *bus) } EXPORT_SYMBOL_GPL(snd_hda_bus_reset); -/* - * generic arrays - */ - -/** - * snd_array_new - get a new element from the given array - * @array: the array object - * - * Get a new element from the given array. If it exceeds the - * pre-allocated array size, re-allocate the array. - * - * Returns NULL if allocation failed. - */ -void *snd_array_new(struct snd_array *array) -{ - if (snd_BUG_ON(!array->elem_size)) - return NULL; - if (array->used >= array->alloced) { - int num = array->alloced + array->alloc_align; - int size = (num + 1) * array->elem_size; - void *nlist; - if (snd_BUG_ON(num >= 4096)) - return NULL; - nlist = krealloc(array->list, size, GFP_KERNEL | __GFP_ZERO); - if (!nlist) - return NULL; - array->list = nlist; - array->alloced = num; - } - return snd_array_elem(array, array->used++); -} -EXPORT_SYMBOL_GPL(snd_array_new); - -/** - * snd_array_free - free the given array elements - * @array: the array object - */ -void snd_array_free(struct snd_array *array) -{ - kfree(array->list); - array->used = 0; - array->alloced = 0; - array->list = NULL; -} -EXPORT_SYMBOL_GPL(snd_array_free); - /** * snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer * @pcm: PCM caps bits diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 76776164623d..3068163b3db2 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -30,36 +30,6 @@ #include <sound/hda_verbs.h> /* - * 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; -} - -static inline void *snd_array_elem(struct snd_array *array, unsigned int idx) -{ - return array->list + idx * array->elem_size; -} - -static inline unsigned int snd_array_index(struct snd_array *array, void *ptr) -{ - return (unsigned long)(ptr - array->list) / array->elem_size; -} - -/* * Structures */ |