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.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/spi/at73c213.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/spi/at73c213.c b/sound/spi/at73c213.c index d6f2b19cfa39..e51bbf7836a2 100644 --- a/sound/spi/at73c213.c +++ b/sound/spi/at73c213.c @@ -657,7 +657,7 @@ static int snd_at73c213_aux_capture_volume_info( | (mask << 24) | (invert << 22)) \ }
-static struct snd_kcontrol_new snd_at73c213_controls[] = { +static const struct snd_kcontrol_new snd_at73c213_controls[] = { AT73C213_STEREO("Master Playback Volume", 0, DAC_LMPG, DAC_RMPG, 0, 0, 0x1f, 1), AT73C213_STEREO("Master Playback Switch", 0, DAC_LMPG, DAC_RMPG, 5, 5, 1, 1), AT73C213_STEREO("PCM Playback Volume", 0, DAC_LLOG, DAC_RLOG, 0, 0, 0x1f, 1),