ALSA: pci: Constify snd_ac97_bus_ops definitions
Now snd_ac97_bus() takes the const ops pointer, so we can define the
snd_ac97_bus_ops locally as const as well for further optimization.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-28-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index 43cfdf0..f23a9352 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -2007,7 +2007,7 @@ snd_es1968_mixer(struct es1968 *chip)
struct snd_ctl_elem_id elem_id;
#endif
int err;
- static struct snd_ac97_bus_ops ops = {
+ static const struct snd_ac97_bus_ops ops = {
.write = snd_es1968_ac97_write,
.read = snd_es1968_ac97_read,
};