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ALSA: ppc: More constifications
Apply const prefix to each possible place: the static tables for rate, volume, etc. Just for minor optimization and no functional changes. Link: https://lore.kernel.org/r/20200105144823.29547-18-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -44,7 +44,7 @@ void snd_pmac_beep_stop(struct snd_pmac *chip)
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* so we can multiply by an amplitude in the range 0..100 to get a
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* signed short value to put in the output buffer.
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*/
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static short beep_wform[256] = {
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static const short beep_wform[256] = {
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0, 40, 79, 117, 153, 187, 218, 245,
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269, 288, 304, 316, 323, 327, 327, 324,
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318, 310, 299, 288, 275, 262, 249, 236,
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@ -24,11 +24,11 @@
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/* fixed frequency table for awacs, screamer, burgundy, DACA (44100 max) */
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static int awacs_freqs[8] = {
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static const int awacs_freqs[8] = {
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44100, 29400, 22050, 17640, 14700, 11025, 8820, 7350
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};
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/* fixed frequency table for tumbler */
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static int tumbler_freqs[1] = {
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static const int tumbler_freqs[1] = {
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44100
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};
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@ -1174,7 +1174,7 @@ int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return)
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np = chip->node;
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chip->requested = 0;
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if (chip->is_k2) {
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static char *rnames[] = {
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static const char * const rnames[] = {
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"Sound Control", "Sound DMA" };
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for (i = 0; i < 2; i ++) {
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if (of_address_to_resource(np->parent, i,
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@ -1199,7 +1199,7 @@ int snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return)
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txdma_addr = chip->rsrc[1].start;
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rxdma_addr = txdma_addr + 0x100;
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} else {
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static char *rnames[] = {
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static const char * const rnames[] = {
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"Sound Control", "Sound Tx DMA", "Sound Rx DMA" };
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for (i = 0; i < 3; i ++) {
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if (of_address_to_resource(np, i,
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@ -104,7 +104,7 @@ struct snd_pmac {
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struct resource rsrc[3];
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int num_freqs;
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int *freq_table;
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const int *freq_table;
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unsigned int freqs_ok; /* bit flags */
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unsigned int formats_ok; /* pcm hwinfo */
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int active;
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@ -106,7 +106,7 @@ struct pmac_tumbler {
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/*
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*/
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static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs)
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static int send_init_client(struct pmac_keywest *i2c, const unsigned int *regs)
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{
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while (*regs > 0) {
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int err, count = 10;
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@ -128,7 +128,7 @@ static int send_init_client(struct pmac_keywest *i2c, unsigned int *regs)
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static int tumbler_init_client(struct pmac_keywest *i2c)
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{
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static unsigned int regs[] = {
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static const unsigned int regs[] = {
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/* normal operation, SCLK=64fps, i2s output, i2s input, 16bit width */
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TAS_REG_MCS, (1<<6)|(2<<4)|(2<<2)|0,
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0, /* terminator */
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@ -139,7 +139,7 @@ static int tumbler_init_client(struct pmac_keywest *i2c)
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static int snapper_init_client(struct pmac_keywest *i2c)
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{
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static unsigned int regs[] = {
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static const unsigned int regs[] = {
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/* normal operation, SCLK=64fps, i2s output, 16bit width */
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TAS_REG_MCS, (1<<6)|(2<<4)|0,
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/* normal operation, all-pass mode */
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@ -478,11 +478,11 @@ struct tumbler_mono_vol {
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int reg;
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int bytes;
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unsigned int max;
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unsigned int *table;
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const unsigned int *table;
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};
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static int tumbler_set_mono_volume(struct pmac_tumbler *mix,
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struct tumbler_mono_vol *info)
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const struct tumbler_mono_vol *info)
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{
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unsigned char block[4];
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unsigned int vol;
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@ -553,7 +553,7 @@ static int tumbler_put_mono(struct snd_kcontrol *kcontrol,
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}
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/* TAS3001c mono volumes */
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static struct tumbler_mono_vol tumbler_pcm_vol_info = {
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static const struct tumbler_mono_vol tumbler_pcm_vol_info = {
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.index = VOL_IDX_PCM_MONO,
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.reg = TAS_REG_PCM,
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.bytes = 3,
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@ -561,7 +561,7 @@ static struct tumbler_mono_vol tumbler_pcm_vol_info = {
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.table = mixer_volume_table,
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};
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static struct tumbler_mono_vol tumbler_bass_vol_info = {
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static const struct tumbler_mono_vol tumbler_bass_vol_info = {
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.index = VOL_IDX_BASS,
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.reg = TAS_REG_BASS,
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.bytes = 1,
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@ -569,7 +569,7 @@ static struct tumbler_mono_vol tumbler_bass_vol_info = {
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.table = bass_volume_table,
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};
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static struct tumbler_mono_vol tumbler_treble_vol_info = {
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static const struct tumbler_mono_vol tumbler_treble_vol_info = {
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.index = VOL_IDX_TREBLE,
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.reg = TAS_REG_TREBLE,
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.bytes = 1,
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@ -578,7 +578,7 @@ static struct tumbler_mono_vol tumbler_treble_vol_info = {
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};
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/* TAS3004 mono volumes */
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static struct tumbler_mono_vol snapper_bass_vol_info = {
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static const struct tumbler_mono_vol snapper_bass_vol_info = {
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.index = VOL_IDX_BASS,
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.reg = TAS_REG_BASS,
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.bytes = 1,
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@ -586,7 +586,7 @@ static struct tumbler_mono_vol snapper_bass_vol_info = {
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.table = snapper_bass_volume_table,
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};
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static struct tumbler_mono_vol snapper_treble_vol_info = {
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static const struct tumbler_mono_vol snapper_treble_vol_info = {
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.index = VOL_IDX_TREBLE,
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.reg = TAS_REG_TREBLE,
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.bytes = 1,
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@ -2,7 +2,7 @@
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/* volume tables, taken from TAS3001c data manual */
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/* volume gain values */
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/* 0 = -70 dB, 175 = 18.0 dB in 0.5 dB step */
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static unsigned int master_volume_table[] = {
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static const unsigned int master_volume_table[] = {
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0x00000015, 0x00000016, 0x00000017,
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0x00000019, 0x0000001a, 0x0000001c,
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0x0000001d, 0x0000001f, 0x00000021,
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@ -66,7 +66,7 @@ static unsigned int master_volume_table[] = {
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/* treble table for TAS3001c */
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/* 0 = -18 dB, 72 = 18 dB in 0.5 dB step */
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static unsigned int treble_volume_table[] = {
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static const unsigned int treble_volume_table[] = {
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0x96, 0x95, 0x94,
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0x93, 0x92, 0x91,
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0x90, 0x8f, 0x8e,
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@ -96,7 +96,7 @@ static unsigned int treble_volume_table[] = {
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/* bass table for TAS3001c */
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/* 0 = -18 dB, 72 = 18 dB in 0.5 dB step */
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static unsigned int bass_volume_table[] = {
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static const unsigned int bass_volume_table[] = {
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0x86, 0x82, 0x7f,
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0x7d, 0x7a, 0x78,
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0x76, 0x74, 0x72,
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@ -126,7 +126,7 @@ static unsigned int bass_volume_table[] = {
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/* mixer (pcm) volume table */
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/* 0 = -70 dB, 175 = 18.0 dB in 0.5 dB step */
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static unsigned int mixer_volume_table[] = {
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static const unsigned int mixer_volume_table[] = {
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0x00014b, 0x00015f, 0x000174,
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0x00018a, 0x0001a1, 0x0001ba,
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0x0001d4, 0x0001f0, 0x00020d,
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@ -191,7 +191,7 @@ static unsigned int mixer_volume_table[] = {
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/* treble table for TAS3004 */
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/* 0 = -18 dB, 72 = 18 dB in 0.5 dB step */
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static unsigned int snapper_treble_volume_table[] = {
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static const unsigned int snapper_treble_volume_table[] = {
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0x96, 0x95, 0x94,
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0x93, 0x92, 0x91,
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0x90, 0x8f, 0x8e,
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@ -221,7 +221,7 @@ static unsigned int snapper_treble_volume_table[] = {
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/* bass table for TAS3004 */
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/* 0 = -18 dB, 72 = 18 dB in 0.5 dB step */
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static unsigned int snapper_bass_volume_table[] = {
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static const unsigned int snapper_bass_volume_table[] = {
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0x96, 0x95, 0x94,
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0x93, 0x92, 0x91,
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0x90, 0x8f, 0x8e,
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