ALSA: usb: constify snd_pcm_ops structures
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>
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index a4f3390..b9c9a19 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -1690,7 +1690,7 @@ static int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream
return -EINVAL;
}
-static struct snd_pcm_ops snd_usb_playback_ops = {
+static const struct snd_pcm_ops snd_usb_playback_ops = {
.open = snd_usb_playback_open,
.close = snd_usb_playback_close,
.ioctl = snd_pcm_lib_ioctl,
@@ -1703,7 +1703,7 @@ static struct snd_pcm_ops snd_usb_playback_ops = {
.mmap = snd_pcm_lib_mmap_vmalloc,
};
-static struct snd_pcm_ops snd_usb_capture_ops = {
+static const struct snd_pcm_ops snd_usb_capture_ops = {
.open = snd_usb_capture_open,
.close = snd_usb_capture_close,
.ioctl = snd_pcm_lib_ioctl,