ALSA: au88x0: 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/pci/au88x0/au88x0_pcm.c b/sound/pci/au88x0/au88x0_pcm.c
index 1aa97012451dd27f8adc955253f8426a233d5919..848eb3cb18a80d054e127c9f9710e29ca8e89243 100644 (file)
--- a/sound/pci/au88x0/au88x0_pcm.c
+++ b/sound/pci/au88x0/au88x0_pcm.c
@@ -439,7 +439,7 @@ static snd_pcm_uframes_t snd_vortex_pcm_pointer(struct snd_pcm_substream *substr
 }
 
 /* operators */
-static struct snd_pcm_ops snd_vortex_playback_ops = {
+static const struct snd_pcm_ops snd_vortex_playback_ops = {
        .open = snd_vortex_pcm_open,
        .close = snd_vortex_pcm_close,
        .ioctl = snd_pcm_lib_ioctl,