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ALSA: es1688: 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 2017-08-11 17:28:00 +05:30 committed by Takashi Iwai
parent 58a24fc163
commit e79a560ef7
1 changed files with 2 additions and 2 deletions
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4
sound/isa/es1688/es1688_lib.c
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@ -706,7 +706,7 @@ int snd_es1688_create(struct snd_card *card,
return err;
}
static struct snd_pcm_ops snd_es1688_playback_ops = {
static const struct snd_pcm_ops snd_es1688_playback_ops = {
.open = snd_es1688_playback_open,
.close = snd_es1688_playback_close,
.ioctl = snd_es1688_ioctl,
@ -717,7 +717,7 @@ static struct snd_pcm_ops snd_es1688_playback_ops = {
.pointer = snd_es1688_playback_pointer,
};
static struct snd_pcm_ops snd_es1688_capture_ops = {
static const struct snd_pcm_ops snd_es1688_capture_ops = {
.open = snd_es1688_capture_open,
.close = snd_es1688_capture_close,
.ioctl = snd_es1688_ioctl,