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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/opti9xx/miro.c | |
| 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/opti9xx/miro.c')
| -rw-r--r-- | sound/isa/opti9xx/miro.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c index 0458934de1c7..a9c773b9f471 100644 --- a/sound/isa/opti9xx/miro.c +++ b/sound/isa/opti9xx/miro.c @@ -577,7 +577,7 @@ static int snd_miro_put_double(struct snd_kcontrol *kcontrol, return change; } -static struct snd_kcontrol_new snd_miro_controls[] = { +static const struct snd_kcontrol_new snd_miro_controls[] = { MIRO_DOUBLE("Master Playback Volume", 0, ACI_GET_MASTER, ACI_SET_MASTER), MIRO_DOUBLE("Mic Playback Volume", 1, ACI_GET_MIC, ACI_SET_MIC), MIRO_DOUBLE("Line Playback Volume", 1, ACI_GET_LINE, ACI_SET_LINE), @@ -589,7 +589,7 @@ MIRO_DOUBLE("Aux Playback Volume", 2, ACI_GET_LINE2, ACI_SET_LINE2), /* Equalizer with seven bands (only PCM20) from -12dB up to +12dB on each band */ -static struct snd_kcontrol_new snd_miro_eq_controls[] = { +static const struct snd_kcontrol_new snd_miro_eq_controls[] = { MIRO_DOUBLE("Tone Control - 28 Hz", 0, ACI_GET_EQ1, ACI_SET_EQ1), MIRO_DOUBLE("Tone Control - 160 Hz", 0, ACI_GET_EQ2, ACI_SET_EQ2), MIRO_DOUBLE("Tone Control - 400 Hz", 0, ACI_GET_EQ3, ACI_SET_EQ3), @@ -599,15 +599,15 @@ MIRO_DOUBLE("Tone Control - 6.3 kHz", 0, ACI_GET_EQ6, ACI_SET_EQ6), MIRO_DOUBLE("Tone Control - 16 kHz", 0, ACI_GET_EQ7, ACI_SET_EQ7), }; -static struct snd_kcontrol_new snd_miro_radio_control[] = { +static const struct snd_kcontrol_new snd_miro_radio_control[] = { MIRO_DOUBLE("Radio Playback Volume", 0, ACI_GET_LINE1, ACI_SET_LINE1), }; -static struct snd_kcontrol_new snd_miro_line_control[] = { +static const struct snd_kcontrol_new snd_miro_line_control[] = { MIRO_DOUBLE("Line Playback Volume", 2, ACI_GET_LINE1, ACI_SET_LINE1), }; -static struct snd_kcontrol_new snd_miro_preamp_control[] = { +static const struct snd_kcontrol_new snd_miro_preamp_control[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Mic Boost", @@ -617,7 +617,7 @@ static struct snd_kcontrol_new snd_miro_preamp_control[] = { .put = snd_miro_put_preamp, }}; -static struct snd_kcontrol_new snd_miro_amp_control[] = { +static const struct snd_kcontrol_new snd_miro_amp_control[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Line Boost", @@ -627,7 +627,7 @@ static struct snd_kcontrol_new snd_miro_amp_control[] = { .put = snd_miro_put_amp, }}; -static struct snd_kcontrol_new snd_miro_capture_control[] = { +static const struct snd_kcontrol_new snd_miro_capture_control[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "PCM Capture Switch", |