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| author | Takashi Iwai <tiwai@suse.de> | 2020-01-03 09:16:57 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2020-01-03 09:24:34 +0100 |
| commit | 195727e8b6a896d898b048e44fdf7ea52d36bd7e (patch) | |
| tree | 460195870919ceddca2ca25e6c8c1752100bd6a1 /sound/usb/mixer_quirks.c | |
| parent | 1aeb1c7f281ea7b372d5801fda119df73b1be98c (diff) | |
| download | linux-stable-195727e8b6a896d898b048e44fdf7ea52d36bd7e.tar.gz linux-stable-195727e8b6a896d898b048e44fdf7ea52d36bd7e.tar.bz2 linux-stable-195727e8b6a896d898b048e44fdf7ea52d36bd7e.zip | |
ALSA: usb: 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/20200103081714.9560-42-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/mixer_quirks.c')
| -rw-r--r-- | sound/usb/mixer_quirks.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index 39e27ae6c597..4cb8331d87a4 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -507,7 +507,7 @@ static int snd_emu0204_ch_switch_resume(struct usb_mixer_elem_list *list) list->kctl->private_value); } -static struct snd_kcontrol_new snd_emu0204_control = { +static const struct snd_kcontrol_new snd_emu0204_control = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Front Jack Channels", .info = snd_emu0204_ch_switch_info, @@ -575,7 +575,7 @@ static int snd_xonar_u1_switch_resume(struct usb_mixer_elem_list *list) list->kctl->private_value); } -static struct snd_kcontrol_new snd_xonar_u1_output_switch = { +static const struct snd_kcontrol_new snd_xonar_u1_output_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Digital Playback Switch", .info = snd_ctl_boolean_mono_info, @@ -702,7 +702,7 @@ static int snd_mbox1_switch_resume(struct usb_mixer_elem_list *list) return snd_mbox1_switch_update(list->mixer, list->kctl->private_value); } -static struct snd_kcontrol_new snd_mbox1_switch = { +static const struct snd_kcontrol_new snd_mbox1_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Clock Source", .index = 0, @@ -787,7 +787,7 @@ static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol, return err < 0 ? err : 1; } -static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = { +static const struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = { { .name = "Direct Thru Channel A", .private_value = _MAKE_NI_CONTROL(0x01, 0x03), @@ -806,7 +806,7 @@ static struct snd_kcontrol_new snd_nativeinstruments_ta6_mixers[] = { }, }; -static struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = { +static const struct snd_kcontrol_new snd_nativeinstruments_ta10_mixers[] = { { .name = "Direct Thru Channel A", .private_value = _MAKE_NI_CONTROL(0x01, 0x03), @@ -1662,7 +1662,7 @@ static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol, return err < 0 ? err : 1; } -static struct snd_kcontrol_new snd_microii_mixer_spdif[] = { +static const struct snd_kcontrol_new snd_microii_mixer_spdif[] = { { .iface = SNDRV_CTL_ELEM_IFACE_PCM, .name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT), @@ -1769,7 +1769,7 @@ static int snd_soundblaster_e1_switch_info(struct snd_kcontrol *kcontrol, return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(texts), texts); } -static struct snd_kcontrol_new snd_soundblaster_e1_input_switch = { +static const struct snd_kcontrol_new snd_soundblaster_e1_input_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Input Source", .info = snd_soundblaster_e1_switch_info, @@ -2093,7 +2093,7 @@ static int snd_rme_sync_source_info(struct snd_kcontrol *kcontrol, ARRAY_SIZE(sync_sources), sync_sources); } -static struct snd_kcontrol_new snd_rme_controls[] = { +static const struct snd_kcontrol_new snd_rme_controls[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "AES Rate", |