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ALSA: firewire: 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 13:15:13 +05:30 committed by Takashi Iwai
parent f95925829b
commit b2165f3889
2 changed files with 3 additions and 3 deletions
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2
sound/firewire/isight.c
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@ -444,7 +444,7 @@ static snd_pcm_uframes_t isight_pointer(struct snd_pcm_substream *substream)
static int isight_create_pcm(struct isight *isight) static int isight_create_pcm(struct isight *isight)
{ {
static struct snd_pcm_ops ops = { static const struct snd_pcm_ops ops = {
.open = isight_open, .open = isight_open,
.close = isight_close, .close = isight_close,
.ioctl = snd_pcm_lib_ioctl, .ioctl = snd_pcm_lib_ioctl,

4
sound/firewire/motu/motu-pcm.c
View File

@ -352,7 +352,7 @@ static int playback_ack(struct snd_pcm_substream *substream)
int snd_motu_create_pcm_devices(struct snd_motu *motu) int snd_motu_create_pcm_devices(struct snd_motu *motu)
{ {
static struct snd_pcm_ops capture_ops = { static const struct snd_pcm_ops capture_ops = {
.open = pcm_open, .open = pcm_open,
.close = pcm_close, .close = pcm_close,
.ioctl = snd_pcm_lib_ioctl, .ioctl = snd_pcm_lib_ioctl,
@ -365,7 +365,7 @@ int snd_motu_create_pcm_devices(struct snd_motu *motu)
.page = snd_pcm_lib_get_vmalloc_page, .page = snd_pcm_lib_get_vmalloc_page,
.mmap = snd_pcm_lib_mmap_vmalloc, .mmap = snd_pcm_lib_mmap_vmalloc,
}; };
static struct snd_pcm_ops playback_ops = { static const struct snd_pcm_ops playback_ops = {
.open = pcm_open, .open = pcm_open,
.close = pcm_close, .close = pcm_close,
.ioctl = snd_pcm_lib_ioctl, .ioctl = snd_pcm_lib_ioctl,