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ALSA: pcm: Constify the list in snd_pcm_hw_constraint_list

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Allows the constraint lists to be declared const by drivers which seems
reasonable; there's plenty of other constification we could do if we were
being complete but this was easy and quick.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Mark Brown 2012-03-14 19:48:43 +00:00 committed by Takashi Iwai
parent 28aa165cc5
commit 4af87a939e
2 changed files with 5 additions and 3 deletions
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5
include/sound/pcm.h
View File

@ -264,7 +264,7 @@ struct snd_pcm_hw_constraint_ratdens {
struct snd_pcm_hw_constraint_list {
unsigned int count;
unsigned int *list;
const unsigned int *list;
unsigned int mask;
};
@ -781,7 +781,8 @@ void snd_interval_muldivk(const struct snd_interval *a, const struct snd_interva
unsigned int k, struct snd_interval *c);
void snd_interval_mulkdiv(const struct snd_interval *a, unsigned int k,
const struct snd_interval *b, struct snd_interval *c);
int snd_interval_list(struct snd_interval *i, unsigned int count, unsigned int *list, unsigned int mask);
int snd_interval_list(struct snd_interval *i, unsigned int count,
const unsigned int *list, unsigned int mask);
int snd_interval_ratnum(struct snd_interval *i,
unsigned int rats_count, struct snd_ratnum *rats,
unsigned int *nump, unsigned int *denp);

3
sound/core/pcm_lib.c
View File

@ -1029,7 +1029,8 @@ static int snd_interval_ratden(struct snd_interval *i,
*
* Returns non-zero if the value is changed, zero if not changed.
*/
int snd_interval_list(struct snd_interval *i, unsigned int count, unsigned int *list, unsigned int mask)
int snd_interval_list(struct snd_interval *i, unsigned int count,
const unsigned int *list, unsigned int mask)
{
unsigned int k;
struct snd_interval list_range;