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/i2c/cs8427.c | 2 +- sound/i2c/other/ak4113.c | 2 +- sound/i2c/other/ak4114.c | 2 +- sound/i2c/other/ak4117.c | 2 +- sound/i2c/tea6330t.c | 4 ++-- 5 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/sound/i2c/cs8427.c b/sound/i2c/cs8427.c index bac4f0036cd6..8634d4f466b3 100644 --- a/sound/i2c/cs8427.c +++ b/sound/i2c/cs8427.c @@ -459,7 +459,7 @@ static int snd_cs8427_spdif_mask_get(struct snd_kcontrol *kcontrol, return 0; }
-static struct snd_kcontrol_new snd_cs8427_iec958_controls[] = { +static const struct snd_kcontrol_new snd_cs8427_iec958_controls[] = { { .iface = SNDRV_CTL_ELEM_IFACE_PCM, .info = snd_cs8427_in_status_info, diff --git a/sound/i2c/other/ak4113.c b/sound/i2c/other/ak4113.c index 2700a8470388..e7213092eb4f 100644 --- a/sound/i2c/other/ak4113.c +++ b/sound/i2c/other/ak4113.c @@ -349,7 +349,7 @@ static int snd_ak4113_spdif_qget(struct snd_kcontrol *kcontrol, }
/* Don't forget to change AK4113_CONTROLS define!!! */ -static struct snd_kcontrol_new snd_ak4113_iec958_controls[] = { +static const struct snd_kcontrol_new snd_ak4113_iec958_controls[] = { { .iface = SNDRV_CTL_ELEM_IFACE_PCM, .name = "IEC958 Parity Errors", diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c index e7325af8af5b..2ce0a97957ab 100644 --- a/sound/i2c/other/ak4114.c +++ b/sound/i2c/other/ak4114.c @@ -318,7 +318,7 @@ static int snd_ak4114_spdif_qget(struct snd_kcontrol *kcontrol, }
/* Don't forget to change AK4114_CONTROLS define!!! */ -static struct snd_kcontrol_new snd_ak4114_iec958_controls[] = { +static const struct snd_kcontrol_new snd_ak4114_iec958_controls[] = { { .iface = SNDRV_CTL_ELEM_IFACE_PCM, .name = "IEC958 Parity Errors", diff --git a/sound/i2c/other/ak4117.c b/sound/i2c/other/ak4117.c index 0d9e8252cc27..905be2d0780b 100644 --- a/sound/i2c/other/ak4117.c +++ b/sound/i2c/other/ak4117.c @@ -305,7 +305,7 @@ static int snd_ak4117_spdif_qget(struct snd_kcontrol *kcontrol, }
/* Don't forget to change AK4117_CONTROLS define!!! */ -static struct snd_kcontrol_new snd_ak4117_iec958_controls[] = { +static const struct snd_kcontrol_new snd_ak4117_iec958_controls[] = { { .iface = SNDRV_CTL_ELEM_IFACE_PCM, .name = "IEC958 Parity Errors", diff --git a/sound/i2c/tea6330t.c b/sound/i2c/tea6330t.c index 93ca8bb71f54..08eb6a873768 100644 --- a/sound/i2c/tea6330t.c +++ b/sound/i2c/tea6330t.c @@ -260,7 +260,7 @@ static int snd_tea6330t_put_treble(struct snd_kcontrol *kcontrol, return change; }
-static struct snd_kcontrol_new snd_tea6330t_controls[] = { +static const struct snd_kcontrol_new snd_tea6330t_controls[] = { TEA6330T_MASTER_SWITCH("Master Playback Switch", 0), TEA6330T_MASTER_VOLUME("Master Playback Volume", 0), TEA6330T_BASS("Tone Control - Bass", 0), @@ -278,7 +278,7 @@ int snd_tea6330t_update_mixer(struct snd_card *card, { struct snd_i2c_device *device; struct tea6330t *tea; - struct snd_kcontrol_new *knew; + const struct snd_kcontrol_new *knew; unsigned int idx; int err = -ENOMEM; u8 default_treble, default_bass;