diff options
| author | Takashi Iwai <tiwai@suse.de> | 2020-01-05 15:47:45 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2020-01-05 16:14:52 +0100 |
| commit | 97974309721eb996a5092cb13901af126886450e (patch) | |
| tree | 7e47628729623595360bba63b9ce07c75ffb025d | |
| parent | ba09f5d84e3e39ffb6768e5473073cfb96ba32e3 (diff) | |
| download | linux-97974309721eb996a5092cb13901af126886450e.tar.bz2 | |
ALSA: ca0106: More constifications
Apply const prefix to each possible place: the static tables for
registers and verbs, and the string arrays.
Just for minor optimization and no functional changes.
Link: https://lore.kernel.org/r/20200105144823.29547-31-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/pci/ca0106/ca0106_main.c | 4 | ||||
| -rw-r--r-- | sound/pci/ca0106/ca0106_mixer.c | 14 |
2 files changed, 9 insertions, 9 deletions
diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c index 487b1aaafa1e..70d775ff967e 100644 --- a/sound/pci/ca0106/ca0106_main.c +++ b/sound/pci/ca0106/ca0106_main.c @@ -1360,7 +1360,7 @@ static int snd_ca0106_pcm(struct snd_ca0106 *emu, int device) } #define SPI_REG(reg, value) (((reg) << SPI_REG_SHIFT) | (value)) -static unsigned int spi_dac_init[] = { +static const unsigned int spi_dac_init[] = { SPI_REG(SPI_LDA1_REG, SPI_DA_BIT_0dB), /* 0dB dig. attenuation */ SPI_REG(SPI_RDA1_REG, SPI_DA_BIT_0dB), SPI_REG(SPI_PL_REG, SPI_PL_BIT_L_L | SPI_PL_BIT_R_R | SPI_IZD_BIT), @@ -1378,7 +1378,7 @@ static unsigned int spi_dac_init[] = { SPI_REG(SPI_DACD4_REG, SPI_DACD4_BIT), }; -static unsigned int i2c_adc_init[][2] = { +static const unsigned int i2c_adc_init[][2] = { { 0x17, 0x00 }, /* Reset */ { 0x07, 0x00 }, /* Timeout */ { 0x0b, 0x22 }, /* Interface control */ diff --git a/sound/pci/ca0106/ca0106_mixer.c b/sound/pci/ca0106/ca0106_mixer.c index c771995b12b9..3b8ec673dc0a 100644 --- a/sound/pci/ca0106/ca0106_mixer.c +++ b/sound/pci/ca0106/ca0106_mixer.c @@ -739,7 +739,7 @@ static int rename_ctl(struct snd_card *card, const char *src, const char *dst) static DECLARE_TLV_DB_SCALE(snd_ca0106_master_db_scale, -6375, 25, 1); -static char *slave_vols[] = { +static const char * const slave_vols[] = { "Analog Front Playback Volume", "Analog Rear Playback Volume", "Analog Center/LFE Playback Volume", @@ -752,7 +752,7 @@ static char *slave_vols[] = { NULL }; -static char *slave_sws[] = { +static const char * const slave_sws[] = { "Analog Front Playback Switch", "Analog Rear Playback Switch", "Analog Center/LFE Playback Switch", @@ -762,7 +762,7 @@ static char *slave_sws[] = { }; static void add_slaves(struct snd_card *card, - struct snd_kcontrol *master, char **list) + struct snd_kcontrol *master, const char * const *list) { for (; *list; list++) { struct snd_kcontrol *slave = ctl_find(card, *list); @@ -775,9 +775,9 @@ int snd_ca0106_mixer(struct snd_ca0106 *emu) { int err; struct snd_card *card = emu->card; - char **c; + const char * const *c; struct snd_kcontrol *vmaster; - static char *ca0106_remove_ctls[] = { + static const char * const ca0106_remove_ctls[] = { "Master Mono Playback Switch", "Master Mono Playback Volume", "3D Control - Switch", @@ -801,7 +801,7 @@ int snd_ca0106_mixer(struct snd_ca0106 *emu) "Surround Phase Inversion Playback Switch", NULL }; - static char *ca0106_rename_ctls[] = { + static const char * const ca0106_rename_ctls[] = { "Master Playback Switch", "Capture Switch", "Master Playback Volume", "Capture Volume", "Line Playback Switch", "AC97 Line Capture Switch", @@ -875,7 +875,7 @@ struct ca0106_vol_tbl { unsigned int reg; }; -static struct ca0106_vol_tbl saved_volumes[NUM_SAVED_VOLUMES] = { +static const struct ca0106_vol_tbl saved_volumes[NUM_SAVED_VOLUMES] = { { CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2 }, { CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME2 }, { CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME2 }, |