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ALSA: sb: More constifications

Browse source 
Apply const prefix to each possible place: the static tables for the
resources, controls, registers, values and parameters.

Just for minor optimization and no functional changes.

Link: https://lore.kernel.org/r/20200105144823.29547-46-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2020-01-05 15:48:00 +01:00
parent 58b5b36370
commit 2a076d0af4
5 changed files with 37 additions and 37 deletions
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16
sound/isa/sb/emu8000.c
View file

@ -222,7 +222,7 @@ init_dma(struct snd_emu8000 *emu)
/*
* initialization arrays; from ADIP
*/
static unsigned short init1[128] = {
static const unsigned short init1[128] = {
0x03ff, 0x0030, 0x07ff, 0x0130, 0x0bff, 0x0230, 0x0fff, 0x0330,
0x13ff, 0x0430, 0x17ff, 0x0530, 0x1bff, 0x0630, 0x1fff, 0x0730,
0x23ff, 0x0830, 0x27ff, 0x0930, 0x2bff, 0x0a30, 0x2fff, 0x0b30,
@ -244,7 +244,7 @@ static unsigned short init1[128] = {
0xf3ff, 0x0c30, 0xf7ff, 0x0d30, 0xfbff, 0x0e30, 0xffff, 0x0f30,
};
static unsigned short init2[128] = {
static const unsigned short init2[128] = {
0x03ff, 0x8030, 0x07ff, 0x8130, 0x0bff, 0x8230, 0x0fff, 0x8330,
0x13ff, 0x8430, 0x17ff, 0x8530, 0x1bff, 0x8630, 0x1fff, 0x8730,
0x23ff, 0x8830, 0x27ff, 0x8930, 0x2bff, 0x8a30, 0x2fff, 0x8b30,
@ -266,7 +266,7 @@ static unsigned short init2[128] = {
0xf3ff, 0x8c30, 0xf7ff, 0x8d30, 0xfbff, 0x8e30, 0xffff, 0x8f30,
};
static unsigned short init3[128] = {
static const unsigned short init3[128] = {
0x0C10, 0x8470, 0x14FE, 0xB488, 0x167F, 0xA470, 0x18E7, 0x84B5,
0x1B6E, 0x842A, 0x1F1D, 0x852A, 0x0DA3, 0x8F7C, 0x167E, 0xF254,
0x0000, 0x842A, 0x0001, 0x852A, 0x18E6, 0x8BAA, 0x1B6D, 0xF234,
@ -288,7 +288,7 @@ static unsigned short init3[128] = {
0x1342, 0xD36E, 0x3EC7, 0xB3FF, 0x0000, 0x8365, 0x1420, 0x9570,
};
static unsigned short init4[128] = {
static const unsigned short init4[128] = {
0x0C10, 0x8470, 0x14FE, 0xB488, 0x167F, 0xA470, 0x18E7, 0x84B5,
0x1B6E, 0x842A, 0x1F1D, 0x852A, 0x0DA3, 0x0F7C, 0x167E, 0x7254,
0x0000, 0x842A, 0x0001, 0x852A, 0x18E6, 0x0BAA, 0x1B6D, 0x7234,
@ -315,10 +315,10 @@ static unsigned short init4[128] = {
* is meant to work
*/
static void
send_array(struct snd_emu8000 *emu, unsigned short *data, int size)
send_array(struct snd_emu8000 *emu, const unsigned short *data, int size)
{
int i;
unsigned short *p;
const unsigned short *p;
p = data;
for (i = 0; i < size; i++, p++)
@ -548,7 +548,7 @@ snd_emu8000_init_hw(struct snd_emu8000 *emu)
* Bass/Treble Equalizer
*----------------------------------------------------------------*/
static unsigned short bass_parm[12][3] = {
static const unsigned short bass_parm[12][3] = {
{0xD26A, 0xD36A, 0x0000}, /* -12 dB */
{0xD25B, 0xD35B, 0x0000}, /* -8 */
{0xD24C, 0xD34C, 0x0000}, /* -6 */
@ -563,7 +563,7 @@ static unsigned short bass_parm[12][3] = {
{0xC26A, 0xC36A, 0x0002}, /* +12 dB */
};
static unsigned short treble_parm[12][9] = {
static const unsigned short treble_parm[12][9] = {
{0x821E, 0xC26A, 0x031E, 0xC36A, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, /* -12 dB */
{0x821E, 0xC25B, 0x031E, 0xC35B, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001},
{0x821E, 0xC24C, 0x031E, 0xC34C, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001},

10
sound/isa/sb/jazz16.c
View file

@ -158,9 +158,9 @@ static int jazz16_detect_board(unsigned long port,
static int jazz16_configure_board(struct snd_sb *chip, int mpu_irq)
{
static unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4,
static const unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4,
0, 2, 5, 0, 0, 0, 0, 6 };
static unsigned char jazz_dma_bits[] = { 0, 1, 0, 2, 0, 3, 0, 4 };
static const unsigned char jazz_dma_bits[] = { 0, 1, 0, 2, 0, 3, 0, 4 };
if (jazz_dma_bits[chip->dma8] == 0 ||
jazz_dma_bits[chip->dma16] == 0 ||
@ -224,9 +224,9 @@ static int snd_jazz16_probe(struct device *devptr, unsigned int dev)
struct snd_card_jazz16 *jazz16;
struct snd_sb *chip;
struct snd_opl3 *opl3;
static int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1};
static int possible_dmas8[] = {1, 3, -1};
static int possible_dmas16[] = {5, 7, -1};
static const int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1};
static const int possible_dmas8[] = {1, 3, -1};
static const int possible_dmas16[] = {5, 7, -1};
int err, xirq, xdma8, xdma16, xmpu_port, xmpu_irq;
err = snd_card_new(devptr, index[dev], id[dev], THIS_MODULE,

8
sound/isa/sb/sb16.c
View file

@ -509,9 +509,9 @@ static int snd_sb16_isa_match(struct device *pdev, unsigned int dev)
static int snd_sb16_isa_probe(struct device *pdev, unsigned int dev)
{
int err;
static int possible_irqs[] = {5, 9, 10, 7, -1};
static int possible_dmas8[] = {1, 3, 0, -1};
static int possible_dmas16[] = {5, 6, 7, -1};
static const int possible_irqs[] = {5, 9, 10, 7, -1};
static const int possible_dmas8[] = {1, 3, 0, -1};
static const int possible_dmas16[] = {5, 6, 7, -1};
if (irq[dev] == SNDRV_AUTO_IRQ) {
if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
@ -535,7 +535,7 @@ static int snd_sb16_isa_probe(struct device *pdev, unsigned int dev)
if (port[dev] != SNDRV_AUTO_PORT)
return snd_sb16_isa_probe1(dev, pdev);
else {
static int possible_ports[] = {0x220, 0x240, 0x260, 0x280};
static const int possible_ports[] = {0x220, 0x240, 0x260, 0x280};
int i;
for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
port[dev] = possible_ports[i];

2
sound/isa/sb/sb8.c
View file

@ -111,7 +111,7 @@ static int snd_sb8_probe(struct device *pdev, unsigned int dev)
goto _err;
} else {
/* auto-probe legacy ports */
static unsigned long possible_ports[] = {
static const unsigned long possible_ports[] = {
0x220, 0x240, 0x260,
};
int i;

38
sound/isa/sb/sb_mixer.c
View file

@ -494,14 +494,14 @@ int snd_sbmixer_add_ctl(struct snd_sb *chip, const char *name, int index, int ty
* SB 2.0 specific mixer elements
*/
static struct sbmix_elem snd_sb20_controls[] = {
static const struct sbmix_elem snd_sb20_controls[] = {
SB_SINGLE("Master Playback Volume", SB_DSP20_MASTER_DEV, 1, 7),
SB_SINGLE("PCM Playback Volume", SB_DSP20_PCM_DEV, 1, 3),
SB_SINGLE("Synth Playback Volume", SB_DSP20_FM_DEV, 1, 7),
SB_SINGLE("CD Playback Volume", SB_DSP20_CD_DEV, 1, 7)
};
static unsigned char snd_sb20_init_values[][2] = {
static const unsigned char snd_sb20_init_values[][2] = {
{ SB_DSP20_MASTER_DEV, 0 },
{ SB_DSP20_FM_DEV, 0 },
};
@ -509,7 +509,7 @@ static unsigned char snd_sb20_init_values[][2] = {
/*
* SB Pro specific mixer elements
*/
static struct sbmix_elem snd_sbpro_controls[] = {
static const struct sbmix_elem snd_sbpro_controls[] = {
SB_DOUBLE("Master Playback Volume",
SB_DSP_MASTER_DEV, SB_DSP_MASTER_DEV, 5, 1, 7),
SB_DOUBLE("PCM Playback Volume",
@ -529,7 +529,7 @@ static struct sbmix_elem snd_sbpro_controls[] = {
SB_SINGLE("Capture Low-Pass Filter", SB_DSP_CAPTURE_FILT, 3, 1)
};
static unsigned char snd_sbpro_init_values[][2] = {
static const unsigned char snd_sbpro_init_values[][2] = {
{ SB_DSP_MASTER_DEV, 0 },
{ SB_DSP_PCM_DEV, 0 },
{ SB_DSP_FM_DEV, 0 },
@ -538,7 +538,7 @@ static unsigned char snd_sbpro_init_values[][2] = {
/*
* SB16 specific mixer elements
*/
static struct sbmix_elem snd_sb16_controls[] = {
static const struct sbmix_elem snd_sb16_controls[] = {
SB_DOUBLE("Master Playback Volume",
SB_DSP4_MASTER_DEV, (SB_DSP4_MASTER_DEV + 1), 3, 3, 31),
SB_DOUBLE("PCM Playback Volume",
@ -576,7 +576,7 @@ static struct sbmix_elem snd_sb16_controls[] = {
SB_DSP4_TREBLE_DEV, (SB_DSP4_TREBLE_DEV + 1), 4, 4, 15)
};
static unsigned char snd_sb16_init_values[][2] = {
static const unsigned char snd_sb16_init_values[][2] = {
{ SB_DSP4_MASTER_DEV + 0, 0 },
{ SB_DSP4_MASTER_DEV + 1, 0 },
{ SB_DSP4_PCM_DEV + 0, 0 },
@ -592,7 +592,7 @@ static unsigned char snd_sb16_init_values[][2] = {
/*
* DT019x specific mixer elements
*/
static struct sbmix_elem snd_dt019x_controls[] = {
static const struct sbmix_elem snd_dt019x_controls[] = {
/* ALS4000 below has some parts which we might be lacking,
* e.g. snd_als4000_ctl_mono_playback_switch - check it! */
SB_DOUBLE("Master Playback Volume",
@ -622,7 +622,7 @@ static struct sbmix_elem snd_dt019x_controls[] = {
}
};
static unsigned char snd_dt019x_init_values[][2] = {
static const unsigned char snd_dt019x_init_values[][2] = {
{ SB_DT019X_MASTER_DEV, 0 },
{ SB_DT019X_PCM_DEV, 0 },
{ SB_DT019X_SYNTH_DEV, 0 },
@ -637,7 +637,7 @@ static unsigned char snd_dt019x_init_values[][2] = {
/*
* ALS4000 specific mixer elements
*/
static struct sbmix_elem snd_als4000_controls[] = {
static const struct sbmix_elem snd_als4000_controls[] = {
SB_DOUBLE("PCM Playback Switch",
SB_DT019X_OUTPUT_SW2, SB_DT019X_OUTPUT_SW2, 2, 1, 1),
SB_DOUBLE("Synth Playback Switch",
@ -671,7 +671,7 @@ static struct sbmix_elem snd_als4000_controls[] = {
#endif
};
static unsigned char snd_als4000_init_values[][2] = {
static const unsigned char snd_als4000_init_values[][2] = {
{ SB_DSP4_MASTER_DEV + 0, 0 },
{ SB_DSP4_MASTER_DEV + 1, 0 },
{ SB_DSP4_PCM_DEV + 0, 0 },
@ -689,9 +689,9 @@ static unsigned char snd_als4000_init_values[][2] = {
/*
*/
static int snd_sbmixer_init(struct snd_sb *chip,
struct sbmix_elem *controls,
const struct sbmix_elem *controls,
int controls_count,
unsigned char map[][2],
const unsigned char map[][2],
int map_count,
char *name)
{
@ -800,14 +800,14 @@ int snd_sbmixer_new(struct snd_sb *chip)
}
#ifdef CONFIG_PM
static unsigned char sb20_saved_regs[] = {
static const unsigned char sb20_saved_regs[] = {
SB_DSP20_MASTER_DEV,
SB_DSP20_PCM_DEV,
SB_DSP20_FM_DEV,
SB_DSP20_CD_DEV,
};
static unsigned char sbpro_saved_regs[] = {
static const unsigned char sbpro_saved_regs[] = {
SB_DSP_MASTER_DEV,
SB_DSP_PCM_DEV,
SB_DSP_PLAYBACK_FILT,
@ -819,7 +819,7 @@ static unsigned char sbpro_saved_regs[] = {
SB_DSP_CAPTURE_FILT,
};
static unsigned char sb16_saved_regs[] = {
static const unsigned char sb16_saved_regs[] = {
SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
SB_DSP4_3DSE,
SB_DSP4_BASS_DEV, SB_DSP4_BASS_DEV + 1,
@ -837,7 +837,7 @@ static unsigned char sb16_saved_regs[] = {
SB_DSP4_MIC_AGC
};
static unsigned char dt019x_saved_regs[] = {
static const unsigned char dt019x_saved_regs[] = {
SB_DT019X_MASTER_DEV,
SB_DT019X_PCM_DEV,
SB_DT019X_SYNTH_DEV,
@ -850,7 +850,7 @@ static unsigned char dt019x_saved_regs[] = {
SB_DT019X_CAPTURE_SW,
};
static unsigned char als4000_saved_regs[] = {
static const unsigned char als4000_saved_regs[] = {
/* please verify in dsheet whether regs to be added
are actually real H/W or just dummy */
SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
@ -872,7 +872,7 @@ static unsigned char als4000_saved_regs[] = {
SB_ALS4000_CR3_CONFIGURATION,
};
static void save_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
static void save_mixer(struct snd_sb *chip, const unsigned char *regs, int num_regs)
{
unsigned char *val = chip->saved_regs;
if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))
@ -881,7 +881,7 @@ static void save_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
*val++ = snd_sbmixer_read(chip, *regs++);
}
static void restore_mixer(struct snd_sb *chip, unsigned char *regs, int num_regs)
static void restore_mixer(struct snd_sb *chip, const unsigned char *regs, int num_regs)
{
unsigned char *val = chip->saved_regs;
if (snd_BUG_ON(num_regs > ARRAY_SIZE(chip->saved_regs)))