ALSA: es1688: constify snd_pcm_ops structures
authorArvind Yadav <arvind.yadav.cs@gmail.com>
Fri, 11 Aug 2017 11:58:00 +0000 (17:28 +0530)
committerTakashi Iwai <tiwai@suse.de>
Sat, 12 Aug 2017 21:44:10 +0000 (23:44 +0200)
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>
sound/isa/es1688/es1688_lib.c

index 5d3df96c5e5bc8dc12908f41601af5e80bcc6279..ec7e68baaa41befc8e2a0576fa463ea1534d31c2 100644 (file)
@@ -706,7 +706,7 @@ exit:
        return err;
 }
 
-static struct snd_pcm_ops snd_es1688_playback_ops = {
+static const struct snd_pcm_ops snd_es1688_playback_ops = {
        .open =                 snd_es1688_playback_open,
        .close =                snd_es1688_playback_close,
        .ioctl =                snd_es1688_ioctl,
@@ -717,7 +717,7 @@ static struct snd_pcm_ops snd_es1688_playback_ops = {
        .pointer =              snd_es1688_playback_pointer,
 };
 
-static struct snd_pcm_ops snd_es1688_capture_ops = {
+static const struct snd_pcm_ops snd_es1688_capture_ops = {
        .open =                 snd_es1688_capture_open,
        .close =                snd_es1688_capture_close,
        .ioctl =                snd_es1688_ioctl,