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| author |   Takashi Iwai <tiwai@suse.de> | 2020-01-03 09:16:51 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2020-01-03 09:24:25 +0100 |
| commit | fdd1f6fd328ff2e3723fe2a5c94378ef6f217edc (patch) | |
| tree | 22803e908c8d69ee74bc0cf2bb53376eff4f2254 /sound/isa/es1688 | |
| parent | ALSA: i2c: Constify snd_kcontrol_new items (diff) | |
| download | linux-dev-fdd1f6fd328ff2e3723fe2a5c94378ef6f217edc.tar.xz linux-dev-fdd1f6fd328ff2e3723fe2a5c94378ef6f217edc.zip | |
ALSA: isa: Constify snd_kcontrol_new items
Most of snd_kcontrol_new definitions are read-only and passed as-is.
Let's declare them as const for further optimization.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-36-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/isa/es1688')
| -rw-r--r-- | sound/isa/es1688/es1688_lib.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/isa/es1688/es1688_lib.c b/sound/isa/es1688/es1688_lib.c index 99a833f29544..1568d0bfd1a8 100644 --- a/sound/isa/es1688/es1688_lib.c +++ b/sound/isa/es1688/es1688_lib.c @@ -924,7 +924,7 @@ static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e return change; } -static struct snd_kcontrol_new snd_es1688_controls[] = { +static const struct snd_kcontrol_new snd_es1688_controls[] = { ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0), ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0), ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0), |