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ALSA: usb: Constify snd_device_ops definitions

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Now we may declare const for snd_device_ops definitions, so let's do
it for optimization.

There should be no functional changes by this patch.

Link: https://lore.kernel.org/r/20200103081714.9560-11-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2020-01-03 09:16:26 +01:00
parent efb0ad25d3
commit c0a142e21b
1 changed files with 1 additions and 1 deletions
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2
sound/usb/mixer.c
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@ -3407,7 +3407,7 @@ static int create_keep_iface_ctl(struct usb_mixer_interface *mixer)
int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
int ignore_error)
{
static struct snd_device_ops dev_ops = {
static const struct snd_device_ops dev_ops = {
.dev_free = snd_usb_mixer_dev_free
};
struct usb_mixer_interface *mixer;