From 2a076d0af49875d2806ff300b632ebc6a43720ee Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Sun, 5 Jan 2020 15:48:00 +0100 Subject: ALSA: sb: More constifications 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 --- sound/isa/sb/emu8000.c | 16 ++++++++-------- sound/isa/sb/jazz16.c | 10 +++++----- sound/isa/sb/sb16.c | 8 ++++---- sound/isa/sb/sb8.c | 2 +- sound/isa/sb/sb_mixer.c | 38 +++++++++++++++++++------------------- 5 files changed, 37 insertions(+), 37 deletions(-) (limited to 'sound/isa') diff --git a/sound/isa/sb/emu8000.c b/sound/isa/sb/emu8000.c index 455dd5fa3ccb..0aa545ac6e60 100644 --- a/sound/isa/sb/emu8000.c +++ b/sound/isa/sb/emu8000.c @@ -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}, diff --git a/sound/isa/sb/jazz16.c b/sound/isa/sb/jazz16.c index 7a313ff589c7..ee379bbf70a4 100644 --- a/sound/isa/sb/jazz16.c +++ b/sound/isa/sb/jazz16.c @@ -158,9 +158,9 @@ err_unmap: 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, diff --git a/sound/isa/sb/sb16.c b/sound/isa/sb/sb16.c index b528238675fe..479197c13803 100644 --- a/sound/isa/sb/sb16.c +++ b/sound/isa/sb/sb16.c @@ -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]; diff --git a/sound/isa/sb/sb8.c b/sound/isa/sb/sb8.c index d67eae3988bd..438109f167d6 100644 --- a/sound/isa/sb/sb8.c +++ b/sound/isa/sb/sb8.c @@ -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; diff --git a/sound/isa/sb/sb_mixer.c b/sound/isa/sb/sb_mixer.c index 789dcf279a26..3f703b4a304d 100644 --- a/sound/isa/sb/sb_mixer.c +++ b/sound/isa/sb/sb_mixer.c @@ -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))) -- cgit