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authorTakashi Iwai <tiwai@suse.de>2020-01-03 09:16:38 +0100
committerTakashi Iwai <tiwai@suse.de>2020-01-03 09:24:08 +0100
commit19260818a9747768b09c1c1f10b4125b4d00595e (patch)
tree507e3c28cdadc37f040d0c50e2636116e54c752d /sound/pci/ac97
parent5ff16a3d48ef58be8fd93035ae9272d4cc990c49 (diff)
downloadlinux-19260818a9747768b09c1c1f10b4125b4d00595e.tar.bz2
ALSA: ac97: Treat snd_ac97_bus_ops as const
This is a preliminary patch to allow const for snd_ac97_bus_ops definitions in each driver's code. The ops reference is read-only, hence it can be declared as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-23-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/ac97')
-rw-r--r--sound/pci/ac97/ac97_codec.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 41bdec4249e1..fcfa8499e453 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -1894,7 +1894,8 @@ static int ac97_reset_wait(struct snd_ac97 *ac97, int timeout, int with_modem)
*
* Return: Zero if successful, or a negative error code on failure.
*/
-int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops,
+int snd_ac97_bus(struct snd_card *card, int num,
+ const struct snd_ac97_bus_ops *ops,
void *private_data, struct snd_ac97_bus **rbus)
{
int err;