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ALSA: arm: constify snd_pcm_ops structures

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snd_pcm_ops are not supposed to change at runtime. All functions
working with snd_pcm_ops provided by <sound/pcm.h> work with
const snd_pcm_ops. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Arvind Yadav 2017-08-18 13:15:10 +05:30 committed by Takashi Iwai
parent 18f6dda9f8
commit 28f054802a
2 changed files with 3 additions and 3 deletions
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4
sound/arm/aaci.c
View File

@ -635,7 +635,7 @@ static int aaci_pcm_playback_trigger(struct snd_pcm_substream *substream, int cm
return ret;
}
static struct snd_pcm_ops aaci_playback_ops = {
static const struct snd_pcm_ops aaci_playback_ops = {
.open = aaci_pcm_open,
.close = aaci_pcm_close,
.ioctl = snd_pcm_lib_ioctl,
@ -738,7 +738,7 @@ static int aaci_pcm_capture_prepare(struct snd_pcm_substream *substream)
return 0;
}
static struct snd_pcm_ops aaci_capture_ops = {
static const struct snd_pcm_ops aaci_capture_ops = {
.open = aaci_pcm_open,
.close = aaci_pcm_close,
.ioctl = snd_pcm_lib_ioctl,

2
sound/arm/pxa2xx-pcm.c
View File

@ -68,7 +68,7 @@ static int pxa2xx_pcm_close(struct snd_pcm_substream *substream)
return __pxa2xx_pcm_close(substream);
}
static struct snd_pcm_ops pxa2xx_pcm_ops = {
static const struct snd_pcm_ops pxa2xx_pcm_ops = {
.open = pxa2xx_pcm_open,
.close = pxa2xx_pcm_close,
.ioctl = snd_pcm_lib_ioctl,