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ALSA: riptide: More constifications

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Apply const prefix to each lbus path table definition and its
callers.

Just for minor optimization and no functional changes.

Link: https://lore.kernel.org/r/20200105144823.29547-16-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2020-01-05 15:47:30 +01:00
parent 6fddce26f8
commit bf6f3d74c9
1 changed files with 30 additions and 30 deletions
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60
sound/pci/riptide/riptide.c
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@ -361,9 +361,9 @@ enum RT_CHANNEL_IDS {
enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
struct lbuspath {
unsigned char *noconv;
unsigned char *stereo;
unsigned char *mono;
const unsigned char *noconv;
const unsigned char *stereo;
const unsigned char *mono;
};
struct cmdport {
@ -464,7 +464,7 @@ struct sgd { /* scatter gather desriptor */
struct pcmhw { /* pcm descriptor */
struct lbuspath paths;
unsigned char *lbuspath;
const unsigned char *lbuspath;
unsigned char source;
unsigned char intdec[2];
unsigned char mixer;
@ -517,7 +517,7 @@ MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
/*
*/
static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
static const unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
LS_NONE2},
{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
@ -557,63 +557,63 @@ static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
LS_NONE2},
};
static unsigned char lbus_play_opl3[] = {
static const unsigned char lbus_play_opl3[] = {
DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
};
static unsigned char lbus_play_modem[] = {
static const unsigned char lbus_play_modem[] = {
DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
};
static unsigned char lbus_play_i2s[] = {
static const unsigned char lbus_play_i2s[] = {
INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
};
static unsigned char lbus_play_out[] = {
static const unsigned char lbus_play_out[] = {
PDAC2ACLNK, 0xff
};
static unsigned char lbus_play_outhp[] = {
static const unsigned char lbus_play_outhp[] = {
HNDSPK2ACLNK, 0xff
};
static unsigned char lbus_play_noconv1[] = {
static const unsigned char lbus_play_noconv1[] = {
DIGITAL_MIXER_IN0, 0xff
};
static unsigned char lbus_play_stereo1[] = {
static const unsigned char lbus_play_stereo1[] = {
INTER0_IN, DIGITAL_MIXER_IN0, 0xff
};
static unsigned char lbus_play_mono1[] = {
static const unsigned char lbus_play_mono1[] = {
INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
};
static unsigned char lbus_play_noconv2[] = {
static const unsigned char lbus_play_noconv2[] = {
DIGITAL_MIXER_IN1, 0xff
};
static unsigned char lbus_play_stereo2[] = {
static const unsigned char lbus_play_stereo2[] = {
INTER1_IN, DIGITAL_MIXER_IN1, 0xff
};
static unsigned char lbus_play_mono2[] = {
static const unsigned char lbus_play_mono2[] = {
INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
};
static unsigned char lbus_play_noconv3[] = {
static const unsigned char lbus_play_noconv3[] = {
DIGITAL_MIXER_IN2, 0xff
};
static unsigned char lbus_play_stereo3[] = {
static const unsigned char lbus_play_stereo3[] = {
INTER2_IN, DIGITAL_MIXER_IN2, 0xff
};
static unsigned char lbus_play_mono3[] = {
static const unsigned char lbus_play_mono3[] = {
INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
};
static unsigned char lbus_rec_noconv1[] = {
static const unsigned char lbus_rec_noconv1[] = {
LBUS2ARM_FIFO5, 0xff
};
static unsigned char lbus_rec_stereo1[] = {
static const unsigned char lbus_rec_stereo1[] = {
DECIM0_IN, LBUS2ARM_FIFO5, 0xff
};
static unsigned char lbus_rec_mono1[] = {
static const unsigned char lbus_rec_mono1[] = {
DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
};
static unsigned char play_ids[] = { 4, 1, 2, };
static unsigned char play_sources[] = {
static const unsigned char play_ids[] = { 4, 1, 2, };
static const unsigned char play_sources[] = {
ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
};
static struct lbuspath lbus_play_paths[] = {
static const struct lbuspath lbus_play_paths[] = {
{
.noconv = lbus_play_noconv1,
.stereo = lbus_play_stereo1,
@ -737,7 +737,7 @@ static int loadfirmware(struct cmdif *cif, const unsigned char *img,
static void
alloclbuspath(struct cmdif *cif, unsigned char source,
unsigned char *path, unsigned char *mixer, unsigned char *s)
const unsigned char *path, unsigned char *mixer, unsigned char *s)
{
while (*path != 0xff) {
unsigned char sink, type;
@ -765,7 +765,7 @@ alloclbuspath(struct cmdif *cif, unsigned char source,
}
}
if (*path++ & SPLIT_PATH) {
unsigned char *npath = path;
const unsigned char *npath = path;
while (*npath != 0xff)
npath++;
@ -775,7 +775,7 @@ alloclbuspath(struct cmdif *cif, unsigned char source,
}
static void
freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
freelbuspath(struct cmdif *cif, unsigned char source, const unsigned char *path)
{
while (*path != 0xff) {
unsigned char sink;
@ -787,7 +787,7 @@ freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
source = lbusin2out[sink][0];
}
if (*path++ & SPLIT_PATH) {
unsigned char *npath = path;
const unsigned char *npath = path;
while (*npath != 0xff)
npath++;
@ -1441,7 +1441,7 @@ static int snd_riptide_prepare(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
struct pcmhw *data = get_pcmhwdev(substream);
struct cmdif *cif = chip->cif;
unsigned char *lbuspath = NULL;
const unsigned char *lbuspath = NULL;
unsigned int rate, channels;
int err = 0;
snd_pcm_format_t format;