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ALSA: dummy: Constify snd_pcm_ops definitions

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The snd_pcm_ops items defined in snd-dummy driver can be gracefully
declared as const.  Let's mark them for further optimization.

There should be no functional changes by this patch.

Link: https://lore.kernel.org/r/20200103081714.9560-44-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2020-01-03 09:16:59 +01:00
parent 46708e626d
commit 1da7f0c570
1 changed files with 3 additions and 3 deletions
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6
sound/drivers/dummy.c
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@ -644,7 +644,7 @@ static struct page *dummy_pcm_page(struct snd_pcm_substream *substream,
return virt_to_page(dummy_page[substream->stream]); /* the same page */
}
static struct snd_pcm_ops dummy_pcm_ops = {
static const struct snd_pcm_ops dummy_pcm_ops = {
.open = dummy_pcm_open,
.close = dummy_pcm_close,
.hw_params = dummy_pcm_hw_params,
@ -653,7 +653,7 @@ static struct snd_pcm_ops dummy_pcm_ops = {
.pointer = dummy_pcm_pointer,
};
static struct snd_pcm_ops dummy_pcm_ops_no_buf = {
static const struct snd_pcm_ops dummy_pcm_ops_no_buf = {
.open = dummy_pcm_open,
.close = dummy_pcm_close,
.hw_params = dummy_pcm_hw_params,
@ -670,7 +670,7 @@ static int snd_card_dummy_pcm(struct snd_dummy *dummy, int device,
int substreams)
{
struct snd_pcm *pcm;
struct snd_pcm_ops *ops;
const struct snd_pcm_ops *ops;
int err;
err = snd_pcm_new(dummy->card, "Dummy PCM", device,