ALSA: spi: Constify snd_kcontrol_new items (1aeb1c7f) · Commits · 戴 / test

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/20200103081714.9560-41-tiwai@suse.de Signed-off-by:

Takashi Iwai <tiwai@suse.de>

sound/spi/at73c213.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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),

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