Apply const prefix to each possible place: the static tables for registers and bits, the quirk tables, etc.
Just for minor optimization and no functional changes.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/pci/ac97/ac97_codec.c | 10 +++++----- sound/pci/ac97/ac97_patch.c | 26 +++++++++++++------------- sound/pci/ac97/ac97_pcm.c | 4 ++-- 3 files changed, 20 insertions(+), 20 deletions(-)
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index fcfa8499e453..6758c072000e 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -1753,10 +1753,10 @@ static unsigned int snd_ac97_determine_spdif_rates(struct snd_ac97 *ac97) { unsigned int result = 0; int i; - static unsigned short ctl_bits[] = { + static const unsigned short ctl_bits[] = { AC97_SC_SPSR_44K, AC97_SC_SPSR_32K, AC97_SC_SPSR_48K }; - static unsigned int rate_bits[] = { + static const unsigned int rate_bits[] = { SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_32000, SNDRV_PCM_RATE_48000 };
@@ -2346,7 +2346,7 @@ struct ac97_power_reg {
enum { PWIDX_ADC, PWIDX_FRONT, PWIDX_CLFE, PWIDX_SURR, PWIDX_MIC, PWIDX_SIZE };
-static struct ac97_power_reg power_regs[PWIDX_SIZE] = { +static const struct ac97_power_reg power_regs[PWIDX_SIZE] = { [PWIDX_ADC] = { AC97_PCM_LR_ADC_RATE, AC97_POWERDOWN, AC97_PD_PR0}, [PWIDX_FRONT] = { AC97_PCM_FRONT_DAC_RATE, AC97_POWERDOWN, AC97_PD_PR1}, [PWIDX_CLFE] = { AC97_PCM_LFE_DAC_RATE, AC97_EXTENDED_STATUS, @@ -2829,7 +2829,7 @@ struct quirk_table { int (*func)(struct snd_ac97 *); };
-static struct quirk_table applicable_quirks[] = { +static const struct quirk_table applicable_quirks[] = { { "none", NULL }, { "hp_only", tune_hp_only }, { "swap_hp", tune_swap_hp }, @@ -2857,7 +2857,7 @@ static int apply_quirk(struct snd_ac97 *ac97, int type) static int apply_quirk_str(struct snd_ac97 *ac97, const char *typestr) { int i; - struct quirk_table *q; + const struct quirk_table *q;
for (i = 0; i < ARRAY_SIZE(applicable_quirks); i++) { q = &applicable_quirks[i]; diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c index 524f9d2dcb3c..ebf926728c5f 100644 --- a/sound/pci/ac97/ac97_patch.c +++ b/sound/pci/ac97/ac97_patch.c @@ -1211,25 +1211,25 @@ static const struct snd_ac97_build_ops patch_sigmatel_stac9758_ops = {
static int patch_sigmatel_stac9758(struct snd_ac97 * ac97) { - static unsigned short regs[4] = { + static const unsigned short regs[4] = { AC97_SIGMATEL_OUTSEL, AC97_SIGMATEL_IOMISC, AC97_SIGMATEL_INSEL, AC97_SIGMATEL_VARIOUS }; - static unsigned short def_regs[4] = { + static const unsigned short def_regs[4] = { /* OUTSEL */ 0xd794, /* CL:CL, SR:SR, LO:MX, LI:DS, MI:DS */ /* IOMISC */ 0x2001, /* INSEL */ 0x0201, /* LI:LI, MI:M1 */ /* VARIOUS */ 0x0040 }; - static unsigned short m675_regs[4] = { + static const unsigned short m675_regs[4] = { /* OUTSEL */ 0xfc70, /* CL:MX, SR:MX, LO:DS, LI:MX, MI:DS */ /* IOMISC */ 0x2102, /* HP amp on */ /* INSEL */ 0x0203, /* LI:LI, MI:FR */ /* VARIOUS */ 0x0041 /* stereo mic */ }; - unsigned short *pregs = def_regs; + const unsigned short *pregs = def_regs; int i;
/* Gateway M675 notebook */ @@ -1361,7 +1361,7 @@ static int patch_cx20551(struct snd_ac97 *ac97) #ifdef CONFIG_PM static void ad18xx_resume(struct snd_ac97 *ac97) { - static unsigned short setup_regs[] = { + static const unsigned short setup_regs[] = { AC97_AD_MISC, AC97_AD_SERIAL_CFG, AC97_AD_JACK_SPDIF, }; int i, codec; @@ -1470,7 +1470,7 @@ static unsigned short patch_ad1881_unchained(struct snd_ac97 * ac97, int idx, un
static int patch_ad1881_chained1(struct snd_ac97 * ac97, int idx, unsigned short codec_bits) { - static int cfg_bits[3] = { 1<<12, 1<<14, 1<<13 }; + static const int cfg_bits[3] = { 1<<12, 1<<14, 1<<13 }; unsigned short val; snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x7000, cfg_bits[idx]); @@ -1794,7 +1794,7 @@ static const struct snd_kcontrol_new snd_ac97_ad1981x_jack_sense[] = { /* black list to avoid HP/Line jack-sense controls * (SS vendor << 16 | device) */ -static unsigned int ad1981_jacks_blacklist[] = { +static const unsigned int ad1981_jacks_blacklist[] = { 0x10140523, /* Thinkpad R40 */ 0x10140534, /* Thinkpad X31 */ 0x10140537, /* Thinkpad T41p */ @@ -1838,7 +1838,7 @@ static const struct snd_ac97_build_ops patch_ad1981a_build_ops = { /* white list to enable HP jack-sense bits * (SS vendor << 16 | device) */ -static unsigned int ad1981_jacks_whitelist[] = { +static const unsigned int ad1981_jacks_whitelist[] = { 0x0e11005a, /* HP nc4000/4010 */ 0x103c0890, /* HP nc6000 */ 0x103c0938, /* HP nc4220 */ @@ -3116,22 +3116,22 @@ static void cm9761_update_jacks(struct snd_ac97 *ac97) /* FIXME: check the bits for each model * model 83 is confirmed to work */ - static unsigned short surr_on[3][2] = { + static const unsigned short surr_on[3][2] = { { 0x0008, 0x0000 }, /* 9761-78 & 82 */ { 0x0000, 0x0008 }, /* 9761-82 rev.B */ { 0x0000, 0x0008 }, /* 9761-83 */ }; - static unsigned short clfe_on[3][2] = { + static const unsigned short clfe_on[3][2] = { { 0x0000, 0x1000 }, /* 9761-78 & 82 */ { 0x1000, 0x0000 }, /* 9761-82 rev.B */ { 0x0000, 0x1000 }, /* 9761-83 */ }; - static unsigned short surr_shared[3][2] = { + static const unsigned short surr_shared[3][2] = { { 0x0000, 0x0400 }, /* 9761-78 & 82 */ { 0x0000, 0x0400 }, /* 9761-82 rev.B */ { 0x0000, 0x0400 }, /* 9761-83 */ }; - static unsigned short clfe_shared[3][2] = { + static const unsigned short clfe_shared[3][2] = { { 0x2000, 0x0880 }, /* 9761-78 & 82 */ { 0x0000, 0x2880 }, /* 9761-82 rev.B */ { 0x2000, 0x0800 }, /* 9761-83 */ @@ -3635,7 +3635,7 @@ struct vt1618_uaj_item {
/* This list reflects the vt1618 docs for Vendor Defined Register 0x60. */
-static struct vt1618_uaj_item vt1618_uaj[3] = { +static const struct vt1618_uaj_item vt1618_uaj[3] = { { /* speaker jack */ .mask = 0x03, diff --git a/sound/pci/ac97/ac97_pcm.c b/sound/pci/ac97/ac97_pcm.c index 1c23a0f90559..491de1a623cb 100644 --- a/sound/pci/ac97/ac97_pcm.c +++ b/sound/pci/ac97/ac97_pcm.c @@ -26,7 +26,7 @@ * PCM support */
-static unsigned char rate_reg_tables[2][4][9] = { +static const unsigned char rate_reg_tables[2][4][9] = { { /* standard rates */ { @@ -129,7 +129,7 @@ static unsigned char rate_reg_tables[2][4][9] = { }};
/* FIXME: more various mappings for ADC? */ -static unsigned char rate_cregs[9] = { +static const unsigned char rate_cregs[9] = { AC97_PCM_LR_ADC_RATE, /* 3 */ AC97_PCM_LR_ADC_RATE, /* 4 */ 0xff, /* 5 */