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ALSA: riptide: More constifications
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>
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@ -361,9 +361,9 @@ enum RT_CHANNEL_IDS {
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enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
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struct lbuspath {
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unsigned char *noconv;
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unsigned char *stereo;
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unsigned char *mono;
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const unsigned char *noconv;
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const unsigned char *stereo;
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const unsigned char *mono;
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};
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struct cmdport {
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@ -464,7 +464,7 @@ struct sgd { /* scatter gather desriptor */
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struct pcmhw { /* pcm descriptor */
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struct lbuspath paths;
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unsigned char *lbuspath;
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const unsigned char *lbuspath;
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unsigned char source;
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unsigned char intdec[2];
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unsigned char mixer;
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@ -517,7 +517,7 @@ MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
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/*
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*/
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static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
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static const unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
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{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
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LS_NONE2},
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{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
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@ -557,63 +557,63 @@ static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
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LS_NONE2},
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};
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static unsigned char lbus_play_opl3[] = {
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static const unsigned char lbus_play_opl3[] = {
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DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
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};
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static unsigned char lbus_play_modem[] = {
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static const unsigned char lbus_play_modem[] = {
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DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
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};
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static unsigned char lbus_play_i2s[] = {
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static const unsigned char lbus_play_i2s[] = {
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INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
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};
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static unsigned char lbus_play_out[] = {
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static const unsigned char lbus_play_out[] = {
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PDAC2ACLNK, 0xff
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};
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static unsigned char lbus_play_outhp[] = {
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static const unsigned char lbus_play_outhp[] = {
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HNDSPK2ACLNK, 0xff
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};
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static unsigned char lbus_play_noconv1[] = {
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static const unsigned char lbus_play_noconv1[] = {
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DIGITAL_MIXER_IN0, 0xff
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};
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static unsigned char lbus_play_stereo1[] = {
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static const unsigned char lbus_play_stereo1[] = {
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INTER0_IN, DIGITAL_MIXER_IN0, 0xff
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};
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static unsigned char lbus_play_mono1[] = {
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static const unsigned char lbus_play_mono1[] = {
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INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
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};
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static unsigned char lbus_play_noconv2[] = {
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static const unsigned char lbus_play_noconv2[] = {
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DIGITAL_MIXER_IN1, 0xff
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};
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static unsigned char lbus_play_stereo2[] = {
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static const unsigned char lbus_play_stereo2[] = {
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INTER1_IN, DIGITAL_MIXER_IN1, 0xff
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};
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static unsigned char lbus_play_mono2[] = {
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static const unsigned char lbus_play_mono2[] = {
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INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
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};
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static unsigned char lbus_play_noconv3[] = {
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static const unsigned char lbus_play_noconv3[] = {
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DIGITAL_MIXER_IN2, 0xff
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};
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static unsigned char lbus_play_stereo3[] = {
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static const unsigned char lbus_play_stereo3[] = {
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INTER2_IN, DIGITAL_MIXER_IN2, 0xff
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};
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static unsigned char lbus_play_mono3[] = {
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static const unsigned char lbus_play_mono3[] = {
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INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
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};
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static unsigned char lbus_rec_noconv1[] = {
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static const unsigned char lbus_rec_noconv1[] = {
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LBUS2ARM_FIFO5, 0xff
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};
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static unsigned char lbus_rec_stereo1[] = {
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static const unsigned char lbus_rec_stereo1[] = {
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DECIM0_IN, LBUS2ARM_FIFO5, 0xff
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};
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static unsigned char lbus_rec_mono1[] = {
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static const unsigned char lbus_rec_mono1[] = {
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DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
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};
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static unsigned char play_ids[] = { 4, 1, 2, };
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static unsigned char play_sources[] = {
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static const unsigned char play_ids[] = { 4, 1, 2, };
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static const unsigned char play_sources[] = {
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ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
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};
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static struct lbuspath lbus_play_paths[] = {
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static const struct lbuspath lbus_play_paths[] = {
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{
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.noconv = lbus_play_noconv1,
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.stereo = lbus_play_stereo1,
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@ -737,7 +737,7 @@ static int loadfirmware(struct cmdif *cif, const unsigned char *img,
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static void
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alloclbuspath(struct cmdif *cif, unsigned char source,
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unsigned char *path, unsigned char *mixer, unsigned char *s)
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const unsigned char *path, unsigned char *mixer, unsigned char *s)
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{
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while (*path != 0xff) {
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unsigned char sink, type;
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@ -765,7 +765,7 @@ alloclbuspath(struct cmdif *cif, unsigned char source,
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}
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}
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if (*path++ & SPLIT_PATH) {
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unsigned char *npath = path;
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const unsigned char *npath = path;
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while (*npath != 0xff)
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npath++;
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@ -775,7 +775,7 @@ alloclbuspath(struct cmdif *cif, unsigned char source,
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}
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static void
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freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
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freelbuspath(struct cmdif *cif, unsigned char source, const unsigned char *path)
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{
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while (*path != 0xff) {
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unsigned char sink;
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@ -787,7 +787,7 @@ freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
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source = lbusin2out[sink][0];
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}
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if (*path++ & SPLIT_PATH) {
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unsigned char *npath = path;
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const unsigned char *npath = path;
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while (*npath != 0xff)
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npath++;
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@ -1441,7 +1441,7 @@ static int snd_riptide_prepare(struct snd_pcm_substream *substream)
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struct snd_pcm_runtime *runtime = substream->runtime;
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struct pcmhw *data = get_pcmhwdev(substream);
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struct cmdif *cif = chip->cif;
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unsigned char *lbuspath = NULL;
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const unsigned char *lbuspath = NULL;
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unsigned int rate, channels;
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int err = 0;
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snd_pcm_format_t format;
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